./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fcb8e130 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9a96b91703f0cc76adc9b0fdbd8386a96920c1be21a810b6415a59c2166f1461 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-22 19:18:44,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 19:18:44,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 19:18:44,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 19:18:44,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 19:18:44,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 19:18:44,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 19:18:44,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 19:18:44,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 19:18:44,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 19:18:44,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 19:18:44,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 19:18:44,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 19:18:44,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 19:18:44,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 19:18:44,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 19:18:44,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 19:18:44,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 19:18:44,870 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 19:18:44,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 19:18:44,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 19:18:44,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 19:18:44,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 19:18:44,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 19:18:44,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 19:18:44,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 19:18:44,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 19:18:44,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 19:18:44,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 19:18:44,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 19:18:44,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 19:18:44,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 19:18:44,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 19:18:44,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 19:18:44,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 19:18:44,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 19:18:44,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 19:18:44,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 19:18:44,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 19:18:44,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 19:18:44,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 19:18:44,888 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 19:18:44,905 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 19:18:44,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 19:18:44,906 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 19:18:44,906 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 19:18:44,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 19:18:44,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 19:18:44,907 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 19:18:44,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 19:18:44,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 19:18:44,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 19:18:44,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 19:18:44,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 19:18:44,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 19:18:44,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 19:18:44,909 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 19:18:44,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 19:18:44,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 19:18:44,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 19:18:44,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 19:18:44,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 19:18:44,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 19:18:44,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 19:18:44,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 19:18:44,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 19:18:44,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 19:18:44,911 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 19:18:44,911 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 19:18:44,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 19:18:44,911 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 19:18:44,911 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a96b91703f0cc76adc9b0fdbd8386a96920c1be21a810b6415a59c2166f1461 [2021-11-22 19:18:45,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 19:18:45,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 19:18:45,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 19:18:45,139 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 19:18:45,140 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 19:18:45,141 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i [2021-11-22 19:18:45,200 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5b3e87b0/9e6b3d674cd84b358e4cc5b5da027133/FLAG49d6c5140 [2021-11-22 19:18:45,788 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 19:18:45,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i [2021-11-22 19:18:45,845 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5b3e87b0/9e6b3d674cd84b358e4cc5b5da027133/FLAG49d6c5140 [2021-11-22 19:18:45,977 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5b3e87b0/9e6b3d674cd84b358e4cc5b5da027133 [2021-11-22 19:18:45,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 19:18:45,981 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 19:18:45,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 19:18:45,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 19:18:45,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 19:18:45,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 07:18:45" (1/1) ... [2021-11-22 19:18:45,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68402ff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:18:45, skipping insertion in model container [2021-11-22 19:18:45,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 07:18:45" (1/1) ... [2021-11-22 19:18:45,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 19:18:46,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 19:18:46,262 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i[4494,4507] [2021-11-22 19:18:46,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i[4554,4567] [2021-11-22 19:18:46,856 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:18:46,857 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:18:46,857 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:18:46,858 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:18:46,859 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:18:46,876 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:18:46,878 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:18:46,879 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:18:46,880 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:18:47,085 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-22 19:18:47,090 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-22 19:18:47,091 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-22 19:18:47,092 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-22 19:18:47,095 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-22 19:18:47,096 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-22 19:18:47,096 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-22 19:18:47,097 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-22 19:18:47,099 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-22 19:18:47,100 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-22 19:18:47,181 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-22 19:18:47,272 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:18:47,272 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:18:47,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 19:18:47,369 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 19:18:47,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i[4494,4507] [2021-11-22 19:18:47,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i[4554,4567] [2021-11-22 19:18:47,423 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:18:47,424 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:18:47,425 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:18:47,425 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:18:47,426 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:18:47,435 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:18:47,440 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:18:47,441 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:18:47,442 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:18:47,472 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-22 19:18:47,472 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-22 19:18:47,473 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-22 19:18:47,473 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-22 19:18:47,474 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-22 19:18:47,474 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-22 19:18:47,474 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-22 19:18:47,475 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-22 19:18:47,475 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-22 19:18:47,479 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-22 19:18:47,493 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-22 19:18:47,558 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:18:47,558 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:18:47,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 19:18:47,733 INFO L208 MainTranslator]: Completed translation [2021-11-22 19:18:47,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:18:47 WrapperNode [2021-11-22 19:18:47,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 19:18:47,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 19:18:47,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 19:18:47,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 19:18:47,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:18:47" (1/1) ... [2021-11-22 19:18:47,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:18:47" (1/1) ... [2021-11-22 19:18:47,878 INFO L137 Inliner]: procedures = 691, calls = 2677, calls flagged for inlining = 970, calls inlined = 68, statements flattened = 1725 [2021-11-22 19:18:47,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 19:18:47,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 19:18:47,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 19:18:47,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 19:18:47,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:18:47" (1/1) ... [2021-11-22 19:18:47,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:18:47" (1/1) ... [2021-11-22 19:18:47,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:18:47" (1/1) ... [2021-11-22 19:18:47,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:18:47" (1/1) ... [2021-11-22 19:18:47,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:18:47" (1/1) ... [2021-11-22 19:18:47,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:18:47" (1/1) ... [2021-11-22 19:18:47,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:18:47" (1/1) ... [2021-11-22 19:18:47,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 19:18:47,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 19:18:47,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 19:18:47,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 19:18:47,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:18:47" (1/1) ... [2021-11-22 19:18:47,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 19:18:47,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 19:18:47,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 19:18:47,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 19:18:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 19:18:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 19:18:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 19:18:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 19:18:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 19:18:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 19:18:47,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 19:18:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 19:18:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 19:18:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 19:18:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 19:18:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 19:18:48,151 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 19:18:48,152 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 19:18:49,164 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 19:18:49,170 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 19:18:49,171 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-22 19:18:49,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 07:18:49 BoogieIcfgContainer [2021-11-22 19:18:49,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 19:18:49,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 19:18:49,174 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 19:18:49,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 19:18:49,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 07:18:45" (1/3) ... [2021-11-22 19:18:49,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56af2242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 07:18:49, skipping insertion in model container [2021-11-22 19:18:49,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:18:47" (2/3) ... [2021-11-22 19:18:49,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56af2242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 07:18:49, skipping insertion in model container [2021-11-22 19:18:49,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 07:18:49" (3/3) ... [2021-11-22 19:18:49,178 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_advance_harness.i [2021-11-22 19:18:49,181 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 19:18:49,181 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2021-11-22 19:18:49,211 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 19:18:49,215 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 19:18:49,215 INFO L340 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2021-11-22 19:18:49,228 INFO L276 IsEmpty]: Start isEmpty. Operand has 330 states, 306 states have (on average 1.4934640522875817) internal successors, (457), 329 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:49,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 19:18:49,236 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:18:49,236 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:18:49,237 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:18:49,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:18:49,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1977195600, now seen corresponding path program 1 times [2021-11-22 19:18:49,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:18:49,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136937352] [2021-11-22 19:18:49,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:18:49,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:18:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:18:49,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:18:49,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:18:49,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136937352] [2021-11-22 19:18:49,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136937352] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:18:49,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:18:49,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 19:18:49,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525025593] [2021-11-22 19:18:49,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:18:49,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 19:18:49,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:18:49,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 19:18:49,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 19:18:49,691 INFO L87 Difference]: Start difference. First operand has 330 states, 306 states have (on average 1.4934640522875817) internal successors, (457), 329 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:49,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:18:49,734 INFO L93 Difference]: Finished difference Result 656 states and 909 transitions. [2021-11-22 19:18:49,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 19:18:49,735 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-11-22 19:18:49,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:18:49,743 INFO L225 Difference]: With dead ends: 656 [2021-11-22 19:18:49,743 INFO L226 Difference]: Without dead ends: 325 [2021-11-22 19:18:49,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 19:18:49,748 INFO L933 BasicCegarLoop]: 420 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 19:18:49,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 19:18:49,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2021-11-22 19:18:49,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2021-11-22 19:18:49,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 302 states have (on average 1.3741721854304636) internal successors, (415), 324 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:49,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 415 transitions. [2021-11-22 19:18:49,784 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 415 transitions. Word has length 40 [2021-11-22 19:18:49,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:18:49,785 INFO L470 AbstractCegarLoop]: Abstraction has 325 states and 415 transitions. [2021-11-22 19:18:49,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:49,785 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 415 transitions. [2021-11-22 19:18:49,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 19:18:49,786 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:18:49,787 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:18:49,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 19:18:49,787 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:18:49,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:18:49,788 INFO L85 PathProgramCache]: Analyzing trace with hash 187425810, now seen corresponding path program 1 times [2021-11-22 19:18:49,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:18:49,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753159740] [2021-11-22 19:18:49,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:18:49,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:18:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:18:49,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:18:49,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:18:49,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753159740] [2021-11-22 19:18:49,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753159740] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:18:49,954 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:18:49,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 19:18:49,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080081133] [2021-11-22 19:18:49,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:18:49,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 19:18:49,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:18:49,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 19:18:49,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 19:18:49,959 INFO L87 Difference]: Start difference. First operand 325 states and 415 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:50,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:18:50,091 INFO L93 Difference]: Finished difference Result 624 states and 796 transitions. [2021-11-22 19:18:50,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 19:18:50,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-11-22 19:18:50,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:18:50,095 INFO L225 Difference]: With dead ends: 624 [2021-11-22 19:18:50,095 INFO L226 Difference]: Without dead ends: 325 [2021-11-22 19:18:50,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 19:18:50,097 INFO L933 BasicCegarLoop]: 398 mSDtfsCounter, 591 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 19:18:50,098 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [591 Valid, 564 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 19:18:50,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2021-11-22 19:18:50,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2021-11-22 19:18:50,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 302 states have (on average 1.3642384105960266) internal successors, (412), 324 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:50,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 412 transitions. [2021-11-22 19:18:50,110 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 412 transitions. Word has length 42 [2021-11-22 19:18:50,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:18:50,110 INFO L470 AbstractCegarLoop]: Abstraction has 325 states and 412 transitions. [2021-11-22 19:18:50,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:50,110 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 412 transitions. [2021-11-22 19:18:50,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 19:18:50,112 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:18:50,112 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:18:50,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 19:18:50,112 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:18:50,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:18:50,113 INFO L85 PathProgramCache]: Analyzing trace with hash -646967702, now seen corresponding path program 1 times [2021-11-22 19:18:50,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:18:50,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956717815] [2021-11-22 19:18:50,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:18:50,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:18:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:18:50,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:18:50,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:18:50,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956717815] [2021-11-22 19:18:50,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956717815] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:18:50,245 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:18:50,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 19:18:50,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275344577] [2021-11-22 19:18:50,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:18:50,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 19:18:50,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:18:50,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 19:18:50,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 19:18:50,247 INFO L87 Difference]: Start difference. First operand 325 states and 412 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:50,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:18:50,455 INFO L93 Difference]: Finished difference Result 735 states and 946 transitions. [2021-11-22 19:18:50,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 19:18:50,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-22 19:18:50,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:18:50,458 INFO L225 Difference]: With dead ends: 735 [2021-11-22 19:18:50,458 INFO L226 Difference]: Without dead ends: 435 [2021-11-22 19:18:50,459 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 19:18:50,464 INFO L933 BasicCegarLoop]: 489 mSDtfsCounter, 256 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 19:18:50,465 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [256 Valid, 1082 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 19:18:50,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2021-11-22 19:18:50,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 347. [2021-11-22 19:18:50,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 324 states have (on average 1.3395061728395061) internal successors, (434), 346 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:50,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 434 transitions. [2021-11-22 19:18:50,483 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 434 transitions. Word has length 54 [2021-11-22 19:18:50,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:18:50,483 INFO L470 AbstractCegarLoop]: Abstraction has 347 states and 434 transitions. [2021-11-22 19:18:50,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:50,484 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 434 transitions. [2021-11-22 19:18:50,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 19:18:50,489 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:18:50,489 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:18:50,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 19:18:50,490 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:18:50,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:18:50,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1198399464, now seen corresponding path program 1 times [2021-11-22 19:18:50,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:18:50,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177496380] [2021-11-22 19:18:50,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:18:50,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:18:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:18:50,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:18:50,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:18:50,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177496380] [2021-11-22 19:18:50,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177496380] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:18:50,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:18:50,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 19:18:50,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108781984] [2021-11-22 19:18:50,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:18:50,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 19:18:50,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:18:50,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 19:18:50,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 19:18:50,679 INFO L87 Difference]: Start difference. First operand 347 states and 434 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:50,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:18:50,792 INFO L93 Difference]: Finished difference Result 634 states and 792 transitions. [2021-11-22 19:18:50,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 19:18:50,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-22 19:18:50,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:18:50,793 INFO L225 Difference]: With dead ends: 634 [2021-11-22 19:18:50,793 INFO L226 Difference]: Without dead ends: 347 [2021-11-22 19:18:50,794 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-22 19:18:50,794 INFO L933 BasicCegarLoop]: 384 mSDtfsCounter, 887 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 887 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 19:18:50,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [887 Valid, 623 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 19:18:50,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2021-11-22 19:18:50,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2021-11-22 19:18:50,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 324 states have (on average 1.3240740740740742) internal successors, (429), 346 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:50,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 429 transitions. [2021-11-22 19:18:50,823 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 429 transitions. Word has length 54 [2021-11-22 19:18:50,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:18:50,824 INFO L470 AbstractCegarLoop]: Abstraction has 347 states and 429 transitions. [2021-11-22 19:18:50,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:50,840 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 429 transitions. [2021-11-22 19:18:50,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 19:18:50,842 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:18:50,842 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:18:50,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 19:18:50,845 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:18:50,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:18:50,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1082335587, now seen corresponding path program 1 times [2021-11-22 19:18:50,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:18:50,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049297759] [2021-11-22 19:18:50,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:18:50,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:18:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:18:51,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:18:51,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:18:51,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049297759] [2021-11-22 19:18:51,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049297759] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:18:51,015 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:18:51,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 19:18:51,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10162300] [2021-11-22 19:18:51,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:18:51,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 19:18:51,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:18:51,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 19:18:51,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 19:18:51,017 INFO L87 Difference]: Start difference. First operand 347 states and 429 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:51,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:18:51,090 INFO L93 Difference]: Finished difference Result 513 states and 625 transitions. [2021-11-22 19:18:51,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 19:18:51,090 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-22 19:18:51,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:18:51,092 INFO L225 Difference]: With dead ends: 513 [2021-11-22 19:18:51,092 INFO L226 Difference]: Without dead ends: 347 [2021-11-22 19:18:51,092 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 19:18:51,093 INFO L933 BasicCegarLoop]: 403 mSDtfsCounter, 214 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 19:18:51,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 951 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 19:18:51,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2021-11-22 19:18:51,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2021-11-22 19:18:51,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 324 states have (on average 1.3209876543209877) internal successors, (428), 346 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:51,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 428 transitions. [2021-11-22 19:18:51,099 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 428 transitions. Word has length 60 [2021-11-22 19:18:51,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:18:51,099 INFO L470 AbstractCegarLoop]: Abstraction has 347 states and 428 transitions. [2021-11-22 19:18:51,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:51,099 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 428 transitions. [2021-11-22 19:18:51,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-22 19:18:51,100 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:18:51,100 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:18:51,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 19:18:51,100 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:18:51,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:18:51,101 INFO L85 PathProgramCache]: Analyzing trace with hash -529244904, now seen corresponding path program 1 times [2021-11-22 19:18:51,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:18:51,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3347258] [2021-11-22 19:18:51,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:18:51,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:18:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:18:51,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:18:51,256 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:18:51,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3347258] [2021-11-22 19:18:51,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3347258] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:18:51,257 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:18:51,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 19:18:51,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130934220] [2021-11-22 19:18:51,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:18:51,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 19:18:51,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:18:51,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 19:18:51,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 19:18:51,259 INFO L87 Difference]: Start difference. First operand 347 states and 428 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:51,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:18:51,356 INFO L93 Difference]: Finished difference Result 518 states and 628 transitions. [2021-11-22 19:18:51,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 19:18:51,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-11-22 19:18:51,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:18:51,358 INFO L225 Difference]: With dead ends: 518 [2021-11-22 19:18:51,358 INFO L226 Difference]: Without dead ends: 347 [2021-11-22 19:18:51,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-22 19:18:51,359 INFO L933 BasicCegarLoop]: 384 mSDtfsCounter, 860 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 19:18:51,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [860 Valid, 624 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 19:18:51,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2021-11-22 19:18:51,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2021-11-22 19:18:51,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 324 states have (on average 1.3148148148148149) internal successors, (426), 346 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:51,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 426 transitions. [2021-11-22 19:18:51,365 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 426 transitions. Word has length 65 [2021-11-22 19:18:51,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:18:51,366 INFO L470 AbstractCegarLoop]: Abstraction has 347 states and 426 transitions. [2021-11-22 19:18:51,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:51,366 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 426 transitions. [2021-11-22 19:18:51,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 19:18:51,367 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:18:51,367 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:18:51,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 19:18:51,367 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:18:51,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:18:51,368 INFO L85 PathProgramCache]: Analyzing trace with hash -404020686, now seen corresponding path program 1 times [2021-11-22 19:18:51,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:18:51,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314836097] [2021-11-22 19:18:51,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:18:51,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:18:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:18:51,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:18:51,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:18:51,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314836097] [2021-11-22 19:18:51,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314836097] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:18:51,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:18:51,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 19:18:51,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929801075] [2021-11-22 19:18:51,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:18:51,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 19:18:51,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:18:51,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 19:18:51,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-22 19:18:51,557 INFO L87 Difference]: Start difference. First operand 347 states and 426 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:51,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:18:51,884 INFO L93 Difference]: Finished difference Result 608 states and 723 transitions. [2021-11-22 19:18:51,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 19:18:51,884 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-11-22 19:18:51,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:18:51,887 INFO L225 Difference]: With dead ends: 608 [2021-11-22 19:18:51,887 INFO L226 Difference]: Without dead ends: 587 [2021-11-22 19:18:51,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-22 19:18:51,888 INFO L933 BasicCegarLoop]: 365 mSDtfsCounter, 498 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 1501 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 19:18:51,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [498 Valid, 1501 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 19:18:51,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2021-11-22 19:18:51,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 369. [2021-11-22 19:18:51,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 346 states have (on average 1.2919075144508672) internal successors, (447), 368 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:51,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 447 transitions. [2021-11-22 19:18:51,898 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 447 transitions. Word has length 66 [2021-11-22 19:18:51,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:18:51,899 INFO L470 AbstractCegarLoop]: Abstraction has 369 states and 447 transitions. [2021-11-22 19:18:51,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:51,901 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 447 transitions. [2021-11-22 19:18:51,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 19:18:51,902 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:18:51,902 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:18:51,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 19:18:51,902 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:18:51,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:18:51,903 INFO L85 PathProgramCache]: Analyzing trace with hash -38404312, now seen corresponding path program 1 times [2021-11-22 19:18:51,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:18:51,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515566927] [2021-11-22 19:18:51,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:18:51,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:18:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:18:52,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:18:52,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:18:52,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515566927] [2021-11-22 19:18:52,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515566927] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:18:52,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:18:52,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 19:18:52,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092875402] [2021-11-22 19:18:52,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:18:52,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 19:18:52,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:18:52,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 19:18:52,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-22 19:18:52,218 INFO L87 Difference]: Start difference. First operand 369 states and 447 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:52,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:18:52,671 INFO L93 Difference]: Finished difference Result 1128 states and 1367 transitions. [2021-11-22 19:18:52,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 19:18:52,672 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-11-22 19:18:52,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:18:52,674 INFO L225 Difference]: With dead ends: 1128 [2021-11-22 19:18:52,674 INFO L226 Difference]: Without dead ends: 781 [2021-11-22 19:18:52,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-22 19:18:52,675 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 696 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 1074 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-22 19:18:52,675 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [696 Valid, 1074 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-22 19:18:52,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2021-11-22 19:18:52,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 444. [2021-11-22 19:18:52,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 421 states have (on average 1.2897862232779098) internal successors, (543), 443 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:52,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 543 transitions. [2021-11-22 19:18:52,692 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 543 transitions. Word has length 70 [2021-11-22 19:18:52,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:18:52,693 INFO L470 AbstractCegarLoop]: Abstraction has 444 states and 543 transitions. [2021-11-22 19:18:52,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:52,693 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 543 transitions. [2021-11-22 19:18:52,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 19:18:52,693 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:18:52,694 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:18:52,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 19:18:52,694 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:18:52,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:18:52,694 INFO L85 PathProgramCache]: Analyzing trace with hash 641654058, now seen corresponding path program 1 times [2021-11-22 19:18:52,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:18:52,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570599543] [2021-11-22 19:18:52,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:18:52,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:18:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:18:52,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:18:52,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:18:52,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570599543] [2021-11-22 19:18:52,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570599543] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:18:52,854 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:18:52,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 19:18:52,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894086683] [2021-11-22 19:18:52,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:18:52,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 19:18:52,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:18:52,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 19:18:52,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-22 19:18:52,855 INFO L87 Difference]: Start difference. First operand 444 states and 543 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:53,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:18:53,269 INFO L93 Difference]: Finished difference Result 891 states and 1072 transitions. [2021-11-22 19:18:53,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 19:18:53,270 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-11-22 19:18:53,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:18:53,271 INFO L225 Difference]: With dead ends: 891 [2021-11-22 19:18:53,272 INFO L226 Difference]: Without dead ends: 680 [2021-11-22 19:18:53,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-22 19:18:53,272 INFO L933 BasicCegarLoop]: 521 mSDtfsCounter, 270 mSDsluCounter, 1683 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 2204 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-22 19:18:53,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [270 Valid, 2204 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-22 19:18:53,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2021-11-22 19:18:53,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 449. [2021-11-22 19:18:53,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 426 states have (on average 1.2887323943661972) internal successors, (549), 448 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:53,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 549 transitions. [2021-11-22 19:18:53,282 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 549 transitions. Word has length 70 [2021-11-22 19:18:53,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:18:53,283 INFO L470 AbstractCegarLoop]: Abstraction has 449 states and 549 transitions. [2021-11-22 19:18:53,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:53,283 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 549 transitions. [2021-11-22 19:18:53,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 19:18:53,287 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:18:53,287 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:18:53,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 19:18:53,287 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:18:53,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:18:53,288 INFO L85 PathProgramCache]: Analyzing trace with hash 383488620, now seen corresponding path program 1 times [2021-11-22 19:18:53,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:18:53,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494461710] [2021-11-22 19:18:53,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:18:53,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:18:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:18:53,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:18:53,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:18:53,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494461710] [2021-11-22 19:18:53,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494461710] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:18:53,884 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:18:53,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-22 19:18:53,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438484246] [2021-11-22 19:18:53,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:18:53,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-22 19:18:53,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:18:53,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-22 19:18:53,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-22 19:18:53,886 INFO L87 Difference]: Start difference. First operand 449 states and 549 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:54,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:18:54,440 INFO L93 Difference]: Finished difference Result 1414 states and 1743 transitions. [2021-11-22 19:18:54,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-22 19:18:54,441 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-11-22 19:18:54,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:18:54,444 INFO L225 Difference]: With dead ends: 1414 [2021-11-22 19:18:54,444 INFO L226 Difference]: Without dead ends: 999 [2021-11-22 19:18:54,445 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2021-11-22 19:18:54,445 INFO L933 BasicCegarLoop]: 467 mSDtfsCounter, 1612 mSDsluCounter, 1716 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1612 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-22 19:18:54,445 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1612 Valid, 2183 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-22 19:18:54,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2021-11-22 19:18:54,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 445. [2021-11-22 19:18:54,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 422 states have (on average 1.2867298578199051) internal successors, (543), 444 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:54,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 543 transitions. [2021-11-22 19:18:54,459 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 543 transitions. Word has length 70 [2021-11-22 19:18:54,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:18:54,459 INFO L470 AbstractCegarLoop]: Abstraction has 445 states and 543 transitions. [2021-11-22 19:18:54,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:54,460 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 543 transitions. [2021-11-22 19:18:54,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 19:18:54,460 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:18:54,460 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:18:54,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-22 19:18:54,461 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:18:54,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:18:54,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1134921140, now seen corresponding path program 1 times [2021-11-22 19:18:54,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:18:54,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524984430] [2021-11-22 19:18:54,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:18:54,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:18:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:18:54,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:18:54,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:18:54,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524984430] [2021-11-22 19:18:54,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524984430] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:18:54,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:18:54,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-22 19:18:54,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070916177] [2021-11-22 19:18:54,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:18:54,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-22 19:18:54,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:18:54,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-22 19:18:54,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-22 19:18:54,803 INFO L87 Difference]: Start difference. First operand 445 states and 543 transitions. Second operand has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 12 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:57,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:18:57,593 INFO L93 Difference]: Finished difference Result 1852 states and 2245 transitions. [2021-11-22 19:18:57,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-22 19:18:57,594 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 12 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-11-22 19:18:57,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:18:57,598 INFO L225 Difference]: With dead ends: 1852 [2021-11-22 19:18:57,598 INFO L226 Difference]: Without dead ends: 1429 [2021-11-22 19:18:57,599 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=446, Invalid=1716, Unknown=0, NotChecked=0, Total=2162 [2021-11-22 19:18:57,600 INFO L933 BasicCegarLoop]: 1072 mSDtfsCounter, 1786 mSDsluCounter, 6475 mSDsCounter, 0 mSdLazyCounter, 3311 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 7547 SdHoareTripleChecker+Invalid, 3413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 3311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-22 19:18:57,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1786 Valid, 7547 Invalid, 3413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 3311 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-22 19:18:57,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1429 states. [2021-11-22 19:18:57,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1429 to 920. [2021-11-22 19:18:57,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 897 states have (on average 1.2809364548494984) internal successors, (1149), 919 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:57,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1149 transitions. [2021-11-22 19:18:57,627 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1149 transitions. Word has length 74 [2021-11-22 19:18:57,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:18:57,628 INFO L470 AbstractCegarLoop]: Abstraction has 920 states and 1149 transitions. [2021-11-22 19:18:57,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 12 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:57,628 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1149 transitions. [2021-11-22 19:18:57,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 19:18:57,629 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:18:57,629 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:18:57,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-22 19:18:57,629 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:18:57,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:18:57,630 INFO L85 PathProgramCache]: Analyzing trace with hash 574221362, now seen corresponding path program 1 times [2021-11-22 19:18:57,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:18:57,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956541103] [2021-11-22 19:18:57,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:18:57,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:18:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:18:57,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:18:57,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:18:57,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956541103] [2021-11-22 19:18:57,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956541103] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:18:57,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:18:57,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 19:18:57,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780333788] [2021-11-22 19:18:57,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:18:57,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 19:18:57,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:18:57,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 19:18:57,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-22 19:18:57,809 INFO L87 Difference]: Start difference. First operand 920 states and 1149 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:58,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:18:58,178 INFO L93 Difference]: Finished difference Result 2155 states and 2683 transitions. [2021-11-22 19:18:58,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 19:18:58,179 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-11-22 19:18:58,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:18:58,182 INFO L225 Difference]: With dead ends: 2155 [2021-11-22 19:18:58,182 INFO L226 Difference]: Without dead ends: 1226 [2021-11-22 19:18:58,183 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-22 19:18:58,183 INFO L933 BasicCegarLoop]: 480 mSDtfsCounter, 225 mSDsluCounter, 1990 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 2470 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 19:18:58,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 2470 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 19:18:58,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2021-11-22 19:18:58,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 920. [2021-11-22 19:18:58,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 897 states have (on average 1.2686733556298773) internal successors, (1138), 919 states have internal predecessors, (1138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:58,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1138 transitions. [2021-11-22 19:18:58,205 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1138 transitions. Word has length 74 [2021-11-22 19:18:58,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:18:58,205 INFO L470 AbstractCegarLoop]: Abstraction has 920 states and 1138 transitions. [2021-11-22 19:18:58,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:58,206 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1138 transitions. [2021-11-22 19:18:58,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 19:18:58,206 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:18:58,207 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:18:58,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-22 19:18:58,207 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:18:58,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:18:58,207 INFO L85 PathProgramCache]: Analyzing trace with hash -396961129, now seen corresponding path program 1 times [2021-11-22 19:18:58,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:18:58,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026084794] [2021-11-22 19:18:58,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:18:58,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:18:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:18:58,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:18:58,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:18:58,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026084794] [2021-11-22 19:18:58,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026084794] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:18:58,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:18:58,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 19:18:58,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032273671] [2021-11-22 19:18:58,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:18:58,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 19:18:58,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:18:58,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 19:18:58,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 19:18:58,306 INFO L87 Difference]: Start difference. First operand 920 states and 1138 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:58,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:18:58,513 INFO L93 Difference]: Finished difference Result 1387 states and 1682 transitions. [2021-11-22 19:18:58,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 19:18:58,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2021-11-22 19:18:58,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:18:58,515 INFO L225 Difference]: With dead ends: 1387 [2021-11-22 19:18:58,515 INFO L226 Difference]: Without dead ends: 469 [2021-11-22 19:18:58,517 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 19:18:58,518 INFO L933 BasicCegarLoop]: 389 mSDtfsCounter, 64 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 1045 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 19:18:58,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 1045 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 19:18:58,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2021-11-22 19:18:58,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 427. [2021-11-22 19:18:58,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 404 states have (on average 1.2103960396039604) internal successors, (489), 426 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:58,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 489 transitions. [2021-11-22 19:18:58,530 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 489 transitions. Word has length 76 [2021-11-22 19:18:58,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:18:58,530 INFO L470 AbstractCegarLoop]: Abstraction has 427 states and 489 transitions. [2021-11-22 19:18:58,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:18:58,531 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 489 transitions. [2021-11-22 19:18:58,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 19:18:58,531 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:18:58,532 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:18:58,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-22 19:18:58,532 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:18:58,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:18:58,532 INFO L85 PathProgramCache]: Analyzing trace with hash 713487837, now seen corresponding path program 1 times [2021-11-22 19:18:58,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:18:58,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673218147] [2021-11-22 19:18:58,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:18:58,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:18:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:18:59,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:18:59,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:18:59,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673218147] [2021-11-22 19:18:59,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673218147] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:18:59,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:18:59,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-22 19:18:59,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755299119] [2021-11-22 19:18:59,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:18:59,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-22 19:18:59,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:18:59,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-22 19:18:59,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-11-22 19:18:59,045 INFO L87 Difference]: Start difference. First operand 427 states and 489 transitions. Second operand has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:00,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:19:00,013 INFO L93 Difference]: Finished difference Result 1474 states and 1679 transitions. [2021-11-22 19:19:00,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-22 19:19:00,013 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2021-11-22 19:19:00,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:19:00,016 INFO L225 Difference]: With dead ends: 1474 [2021-11-22 19:19:00,016 INFO L226 Difference]: Without dead ends: 1150 [2021-11-22 19:19:00,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=222, Invalid=648, Unknown=0, NotChecked=0, Total=870 [2021-11-22 19:19:00,018 INFO L933 BasicCegarLoop]: 549 mSDtfsCounter, 2626 mSDsluCounter, 2622 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2626 SdHoareTripleChecker+Valid, 3171 SdHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-22 19:19:00,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2626 Valid, 3171 Invalid, 947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 874 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-22 19:19:00,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2021-11-22 19:19:00,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 513. [2021-11-22 19:19:00,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 490 states have (on average 1.2061224489795919) internal successors, (591), 512 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:00,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 591 transitions. [2021-11-22 19:19:00,030 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 591 transitions. Word has length 76 [2021-11-22 19:19:00,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:19:00,031 INFO L470 AbstractCegarLoop]: Abstraction has 513 states and 591 transitions. [2021-11-22 19:19:00,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:00,031 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 591 transitions. [2021-11-22 19:19:00,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 19:19:00,031 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:19:00,032 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:19:00,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-22 19:19:00,032 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:19:00,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:19:00,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1591904584, now seen corresponding path program 1 times [2021-11-22 19:19:00,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:19:00,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607006825] [2021-11-22 19:19:00,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:19:00,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:19:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:19:00,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:19:00,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:19:00,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607006825] [2021-11-22 19:19:00,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607006825] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:19:00,395 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:19:00,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-22 19:19:00,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011767096] [2021-11-22 19:19:00,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:19:00,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-22 19:19:00,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:19:00,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-22 19:19:00,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-22 19:19:00,396 INFO L87 Difference]: Start difference. First operand 513 states and 591 transitions. Second operand has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:02,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:19:02,398 INFO L93 Difference]: Finished difference Result 2529 states and 2883 transitions. [2021-11-22 19:19:02,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-22 19:19:02,399 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2021-11-22 19:19:02,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:19:02,404 INFO L225 Difference]: With dead ends: 2529 [2021-11-22 19:19:02,404 INFO L226 Difference]: Without dead ends: 2168 [2021-11-22 19:19:02,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=425, Invalid=1135, Unknown=0, NotChecked=0, Total=1560 [2021-11-22 19:19:02,405 INFO L933 BasicCegarLoop]: 766 mSDtfsCounter, 3395 mSDsluCounter, 2874 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3395 SdHoareTripleChecker+Valid, 3640 SdHoareTripleChecker+Invalid, 1646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-22 19:19:02,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3395 Valid, 3640 Invalid, 1646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 1529 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-22 19:19:02,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2168 states. [2021-11-22 19:19:02,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2168 to 524. [2021-11-22 19:19:02,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 501 states have (on average 1.2035928143712575) internal successors, (603), 523 states have internal predecessors, (603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:02,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 603 transitions. [2021-11-22 19:19:02,432 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 603 transitions. Word has length 79 [2021-11-22 19:19:02,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:19:02,432 INFO L470 AbstractCegarLoop]: Abstraction has 524 states and 603 transitions. [2021-11-22 19:19:02,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:02,432 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 603 transitions. [2021-11-22 19:19:02,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 19:19:02,433 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:19:02,433 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:19:02,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-22 19:19:02,433 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:19:02,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:19:02,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1158175498, now seen corresponding path program 1 times [2021-11-22 19:19:02,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:19:02,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020577704] [2021-11-22 19:19:02,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:19:02,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:19:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:19:02,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:19:02,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:19:02,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020577704] [2021-11-22 19:19:02,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020577704] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:19:02,903 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:19:02,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-11-22 19:19:02,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345405835] [2021-11-22 19:19:02,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:19:02,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-22 19:19:02,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:19:02,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-22 19:19:02,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-22 19:19:02,904 INFO L87 Difference]: Start difference. First operand 524 states and 603 transitions. Second operand has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:04,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:19:04,420 INFO L93 Difference]: Finished difference Result 2142 states and 2458 transitions. [2021-11-22 19:19:04,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-22 19:19:04,421 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2021-11-22 19:19:04,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:19:04,425 INFO L225 Difference]: With dead ends: 2142 [2021-11-22 19:19:04,425 INFO L226 Difference]: Without dead ends: 1726 [2021-11-22 19:19:04,426 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=227, Invalid=529, Unknown=0, NotChecked=0, Total=756 [2021-11-22 19:19:04,427 INFO L933 BasicCegarLoop]: 542 mSDtfsCounter, 3549 mSDsluCounter, 3453 mSDsCounter, 0 mSdLazyCounter, 1572 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3549 SdHoareTripleChecker+Valid, 3995 SdHoareTripleChecker+Invalid, 1680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-22 19:19:04,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3549 Valid, 3995 Invalid, 1680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1572 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-22 19:19:04,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1726 states. [2021-11-22 19:19:04,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1726 to 533. [2021-11-22 19:19:04,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 510 states have (on average 1.2) internal successors, (612), 532 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:04,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 612 transitions. [2021-11-22 19:19:04,446 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 612 transitions. Word has length 79 [2021-11-22 19:19:04,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:19:04,447 INFO L470 AbstractCegarLoop]: Abstraction has 533 states and 612 transitions. [2021-11-22 19:19:04,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:04,447 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 612 transitions. [2021-11-22 19:19:04,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 19:19:04,448 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:19:04,448 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:19:04,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-22 19:19:04,448 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:19:04,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:19:04,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1719953804, now seen corresponding path program 1 times [2021-11-22 19:19:04,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:19:04,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279280898] [2021-11-22 19:19:04,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:19:04,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:19:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:19:04,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:19:04,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:19:04,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279280898] [2021-11-22 19:19:04,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279280898] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:19:04,854 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:19:04,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-22 19:19:04,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549042184] [2021-11-22 19:19:04,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:19:04,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-22 19:19:04,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:19:04,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-22 19:19:04,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-22 19:19:04,856 INFO L87 Difference]: Start difference. First operand 533 states and 612 transitions. Second operand has 10 states, 10 states have (on average 8.2) internal successors, (82), 10 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:05,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:19:05,699 INFO L93 Difference]: Finished difference Result 1537 states and 1751 transitions. [2021-11-22 19:19:05,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-22 19:19:05,699 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.2) internal successors, (82), 10 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-11-22 19:19:05,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:19:05,702 INFO L225 Difference]: With dead ends: 1537 [2021-11-22 19:19:05,702 INFO L226 Difference]: Without dead ends: 1156 [2021-11-22 19:19:05,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=388, Unknown=0, NotChecked=0, Total=552 [2021-11-22 19:19:05,703 INFO L933 BasicCegarLoop]: 558 mSDtfsCounter, 1533 mSDsluCounter, 2557 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1533 SdHoareTripleChecker+Valid, 3115 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-22 19:19:05,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1533 Valid, 3115 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-22 19:19:05,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2021-11-22 19:19:05,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 594. [2021-11-22 19:19:05,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 571 states have (on average 1.2259194395796849) internal successors, (700), 593 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:05,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 700 transitions. [2021-11-22 19:19:05,719 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 700 transitions. Word has length 82 [2021-11-22 19:19:05,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:19:05,719 INFO L470 AbstractCegarLoop]: Abstraction has 594 states and 700 transitions. [2021-11-22 19:19:05,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.2) internal successors, (82), 10 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:05,720 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 700 transitions. [2021-11-22 19:19:05,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 19:19:05,720 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:19:05,720 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:19:05,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-22 19:19:05,721 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:19:05,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:19:05,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1845284569, now seen corresponding path program 1 times [2021-11-22 19:19:05,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:19:05,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770190040] [2021-11-22 19:19:05,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:19:05,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:19:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:19:06,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:19:06,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:19:06,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770190040] [2021-11-22 19:19:06,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770190040] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:19:06,211 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:19:06,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-11-22 19:19:06,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448023947] [2021-11-22 19:19:06,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:19:06,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-22 19:19:06,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:19:06,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-22 19:19:06,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-11-22 19:19:06,214 INFO L87 Difference]: Start difference. First operand 594 states and 700 transitions. Second operand has 15 states, 15 states have (on average 5.666666666666667) internal successors, (85), 15 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:09,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:19:09,391 INFO L93 Difference]: Finished difference Result 2499 states and 2921 transitions. [2021-11-22 19:19:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-22 19:19:09,391 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.666666666666667) internal successors, (85), 15 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-11-22 19:19:09,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:19:09,396 INFO L225 Difference]: With dead ends: 2499 [2021-11-22 19:19:09,396 INFO L226 Difference]: Without dead ends: 2114 [2021-11-22 19:19:09,398 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 821 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=764, Invalid=2428, Unknown=0, NotChecked=0, Total=3192 [2021-11-22 19:19:09,398 INFO L933 BasicCegarLoop]: 944 mSDtfsCounter, 2285 mSDsluCounter, 5950 mSDsCounter, 0 mSdLazyCounter, 2996 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2285 SdHoareTripleChecker+Valid, 6894 SdHoareTripleChecker+Invalid, 3119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 2996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-22 19:19:09,398 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2285 Valid, 6894 Invalid, 3119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 2996 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-22 19:19:09,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2114 states. [2021-11-22 19:19:09,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2114 to 1270. [2021-11-22 19:19:09,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1270 states, 1247 states have (on average 1.2493985565356855) internal successors, (1558), 1269 states have internal predecessors, (1558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:09,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1270 states and 1558 transitions. [2021-11-22 19:19:09,435 INFO L78 Accepts]: Start accepts. Automaton has 1270 states and 1558 transitions. Word has length 85 [2021-11-22 19:19:09,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:19:09,435 INFO L470 AbstractCegarLoop]: Abstraction has 1270 states and 1558 transitions. [2021-11-22 19:19:09,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.666666666666667) internal successors, (85), 15 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:09,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1558 transitions. [2021-11-22 19:19:09,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-22 19:19:09,436 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:19:09,437 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:19:09,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-22 19:19:09,437 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:19:09,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:19:09,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1451733949, now seen corresponding path program 1 times [2021-11-22 19:19:09,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:19:09,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290167775] [2021-11-22 19:19:09,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:19:09,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:19:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:19:09,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:19:09,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:19:09,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290167775] [2021-11-22 19:19:09,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290167775] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:19:09,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:19:09,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 19:19:09,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584677779] [2021-11-22 19:19:09,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:19:09,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 19:19:09,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:19:09,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 19:19:09,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-22 19:19:09,858 INFO L87 Difference]: Start difference. First operand 1270 states and 1558 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:10,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:19:10,247 INFO L93 Difference]: Finished difference Result 1505 states and 1825 transitions. [2021-11-22 19:19:10,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 19:19:10,247 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-11-22 19:19:10,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:19:10,250 INFO L225 Difference]: With dead ends: 1505 [2021-11-22 19:19:10,250 INFO L226 Difference]: Without dead ends: 1296 [2021-11-22 19:19:10,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-22 19:19:10,251 INFO L933 BasicCegarLoop]: 379 mSDtfsCounter, 81 mSDsluCounter, 1175 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 1554 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 19:19:10,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 1554 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 19:19:10,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2021-11-22 19:19:10,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1272. [2021-11-22 19:19:10,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1272 states, 1249 states have (on average 1.2489991993594876) internal successors, (1560), 1271 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:10,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1560 transitions. [2021-11-22 19:19:10,288 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1560 transitions. Word has length 88 [2021-11-22 19:19:10,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:19:10,288 INFO L470 AbstractCegarLoop]: Abstraction has 1272 states and 1560 transitions. [2021-11-22 19:19:10,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:10,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1560 transitions. [2021-11-22 19:19:10,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-22 19:19:10,290 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:19:10,290 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:19:10,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-22 19:19:10,291 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:19:10,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:19:10,291 INFO L85 PathProgramCache]: Analyzing trace with hash 18723767, now seen corresponding path program 1 times [2021-11-22 19:19:10,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:19:10,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760520871] [2021-11-22 19:19:10,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:19:10,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:19:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:19:10,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:19:10,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:19:10,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760520871] [2021-11-22 19:19:10,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760520871] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:19:10,459 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:19:10,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 19:19:10,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678353445] [2021-11-22 19:19:10,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:19:10,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 19:19:10,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:19:10,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 19:19:10,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-22 19:19:10,461 INFO L87 Difference]: Start difference. First operand 1272 states and 1560 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:10,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:19:10,936 INFO L93 Difference]: Finished difference Result 1705 states and 2052 transitions. [2021-11-22 19:19:10,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-22 19:19:10,937 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-11-22 19:19:10,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:19:10,960 INFO L225 Difference]: With dead ends: 1705 [2021-11-22 19:19:10,962 INFO L226 Difference]: Without dead ends: 1499 [2021-11-22 19:19:10,962 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-11-22 19:19:10,964 INFO L933 BasicCegarLoop]: 513 mSDtfsCounter, 316 mSDsluCounter, 1607 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 2120 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-22 19:19:10,965 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [316 Valid, 2120 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-22 19:19:10,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2021-11-22 19:19:10,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 1272. [2021-11-22 19:19:10,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1272 states, 1249 states have (on average 1.2481985588470776) internal successors, (1559), 1271 states have internal predecessors, (1559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:10,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1559 transitions. [2021-11-22 19:19:10,999 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1559 transitions. Word has length 88 [2021-11-22 19:19:11,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:19:11,000 INFO L470 AbstractCegarLoop]: Abstraction has 1272 states and 1559 transitions. [2021-11-22 19:19:11,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:11,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1559 transitions. [2021-11-22 19:19:11,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-22 19:19:11,001 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:19:11,001 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:19:11,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-22 19:19:11,002 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:19:11,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:19:11,002 INFO L85 PathProgramCache]: Analyzing trace with hash 698782137, now seen corresponding path program 1 times [2021-11-22 19:19:11,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:19:11,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381798339] [2021-11-22 19:19:11,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:19:11,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:19:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:19:11,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:19:11,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:19:11,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381798339] [2021-11-22 19:19:11,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381798339] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:19:11,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:19:11,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 19:19:11,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300163830] [2021-11-22 19:19:11,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:19:11,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 19:19:11,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:19:11,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 19:19:11,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-22 19:19:11,146 INFO L87 Difference]: Start difference. First operand 1272 states and 1559 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:11,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:19:11,629 INFO L93 Difference]: Finished difference Result 2445 states and 3061 transitions. [2021-11-22 19:19:11,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 19:19:11,630 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-11-22 19:19:11,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:19:11,634 INFO L225 Difference]: With dead ends: 2445 [2021-11-22 19:19:11,639 INFO L226 Difference]: Without dead ends: 1747 [2021-11-22 19:19:11,640 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-22 19:19:11,641 INFO L933 BasicCegarLoop]: 482 mSDtfsCounter, 289 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 1320 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-22 19:19:11,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [289 Valid, 1320 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-22 19:19:11,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2021-11-22 19:19:11,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1272. [2021-11-22 19:19:11,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1272 states, 1249 states have (on average 1.232986389111289) internal successors, (1540), 1271 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:11,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1540 transitions. [2021-11-22 19:19:11,674 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1540 transitions. Word has length 88 [2021-11-22 19:19:11,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:19:11,674 INFO L470 AbstractCegarLoop]: Abstraction has 1272 states and 1540 transitions. [2021-11-22 19:19:11,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:11,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1540 transitions. [2021-11-22 19:19:11,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-22 19:19:11,675 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:19:11,675 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:19:11,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-22 19:19:11,676 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:19:11,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:19:11,676 INFO L85 PathProgramCache]: Analyzing trace with hash -996720007, now seen corresponding path program 1 times [2021-11-22 19:19:11,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:19:11,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472614133] [2021-11-22 19:19:11,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:19:11,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:19:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:19:12,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:19:12,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:19:12,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472614133] [2021-11-22 19:19:12,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472614133] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:19:12,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:19:12,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 19:19:12,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768876785] [2021-11-22 19:19:12,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:19:12,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 19:19:12,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:19:12,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 19:19:12,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 19:19:12,179 INFO L87 Difference]: Start difference. First operand 1272 states and 1540 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:12,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:19:12,534 INFO L93 Difference]: Finished difference Result 1562 states and 1855 transitions. [2021-11-22 19:19:12,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 19:19:12,536 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-11-22 19:19:12,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:19:12,539 INFO L225 Difference]: With dead ends: 1562 [2021-11-22 19:19:12,539 INFO L226 Difference]: Without dead ends: 1343 [2021-11-22 19:19:12,539 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-22 19:19:12,540 INFO L933 BasicCegarLoop]: 444 mSDtfsCounter, 202 mSDsluCounter, 995 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 1439 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 19:19:12,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [202 Valid, 1439 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 19:19:12,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2021-11-22 19:19:12,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1263. [2021-11-22 19:19:12,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1263 states, 1240 states have (on average 1.232258064516129) internal successors, (1528), 1262 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:12,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1263 states and 1528 transitions. [2021-11-22 19:19:12,574 INFO L78 Accepts]: Start accepts. Automaton has 1263 states and 1528 transitions. Word has length 88 [2021-11-22 19:19:12,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:19:12,574 INFO L470 AbstractCegarLoop]: Abstraction has 1263 states and 1528 transitions. [2021-11-22 19:19:12,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:12,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1528 transitions. [2021-11-22 19:19:12,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-22 19:19:12,575 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:19:12,575 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:19:12,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-22 19:19:12,576 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:19:12,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:19:12,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1930767314, now seen corresponding path program 1 times [2021-11-22 19:19:12,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:19:12,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564795539] [2021-11-22 19:19:12,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:19:12,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:19:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:19:12,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:19:12,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:19:12,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564795539] [2021-11-22 19:19:12,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564795539] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:19:12,698 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:19:12,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-22 19:19:12,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283532956] [2021-11-22 19:19:12,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:19:12,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-22 19:19:12,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:19:12,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-22 19:19:12,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-22 19:19:12,699 INFO L87 Difference]: Start difference. First operand 1263 states and 1528 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:13,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:19:13,298 INFO L93 Difference]: Finished difference Result 2147 states and 2603 transitions. [2021-11-22 19:19:13,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-22 19:19:13,298 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2021-11-22 19:19:13,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:19:13,303 INFO L225 Difference]: With dead ends: 2147 [2021-11-22 19:19:13,303 INFO L226 Difference]: Without dead ends: 2122 [2021-11-22 19:19:13,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2021-11-22 19:19:13,303 INFO L933 BasicCegarLoop]: 343 mSDtfsCounter, 547 mSDsluCounter, 1655 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 547 SdHoareTripleChecker+Valid, 1998 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-22 19:19:13,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [547 Valid, 1998 Invalid, 842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-22 19:19:13,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2122 states. [2021-11-22 19:19:13,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2122 to 1315. [2021-11-22 19:19:13,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1315 states, 1292 states have (on average 1.2221362229102166) internal successors, (1579), 1314 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:13,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1315 states and 1579 transitions. [2021-11-22 19:19:13,344 INFO L78 Accepts]: Start accepts. Automaton has 1315 states and 1579 transitions. Word has length 90 [2021-11-22 19:19:13,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:19:13,344 INFO L470 AbstractCegarLoop]: Abstraction has 1315 states and 1579 transitions. [2021-11-22 19:19:13,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:13,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1579 transitions. [2021-11-22 19:19:13,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-22 19:19:13,345 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:19:13,345 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:19:13,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-22 19:19:13,345 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:19:13,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:19:13,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1121420688, now seen corresponding path program 1 times [2021-11-22 19:19:13,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:19:13,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120360594] [2021-11-22 19:19:13,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:19:13,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:19:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:19:13,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:19:13,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:19:13,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120360594] [2021-11-22 19:19:13,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120360594] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:19:13,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:19:13,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-22 19:19:13,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597387206] [2021-11-22 19:19:13,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:19:13,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-22 19:19:13,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:19:13,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-22 19:19:13,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-22 19:19:13,565 INFO L87 Difference]: Start difference. First operand 1315 states and 1579 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:14,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:19:14,260 INFO L93 Difference]: Finished difference Result 1947 states and 2258 transitions. [2021-11-22 19:19:14,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-22 19:19:14,261 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2021-11-22 19:19:14,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:19:14,265 INFO L225 Difference]: With dead ends: 1947 [2021-11-22 19:19:14,265 INFO L226 Difference]: Without dead ends: 1734 [2021-11-22 19:19:14,265 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2021-11-22 19:19:14,266 INFO L933 BasicCegarLoop]: 515 mSDtfsCounter, 363 mSDsluCounter, 1854 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 2369 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-22 19:19:14,266 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [363 Valid, 2369 Invalid, 815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-22 19:19:14,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2021-11-22 19:19:14,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1323. [2021-11-22 19:19:14,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1323 states, 1300 states have (on average 1.2207692307692308) internal successors, (1587), 1322 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:14,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1587 transitions. [2021-11-22 19:19:14,308 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1587 transitions. Word has length 90 [2021-11-22 19:19:14,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:19:14,308 INFO L470 AbstractCegarLoop]: Abstraction has 1323 states and 1587 transitions. [2021-11-22 19:19:14,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:14,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1587 transitions. [2021-11-22 19:19:14,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-22 19:19:14,310 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:19:14,310 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:19:14,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-22 19:19:14,310 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:19:14,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:19:14,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1484602866, now seen corresponding path program 1 times [2021-11-22 19:19:14,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:19:14,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50462536] [2021-11-22 19:19:14,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:19:14,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:19:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:19:14,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:19:14,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:19:14,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50462536] [2021-11-22 19:19:14,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50462536] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:19:14,861 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:19:14,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-11-22 19:19:14,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293707226] [2021-11-22 19:19:14,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:19:14,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-22 19:19:14,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:19:14,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-22 19:19:14,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-11-22 19:19:14,862 INFO L87 Difference]: Start difference. First operand 1323 states and 1587 transitions. Second operand has 18 states, 18 states have (on average 5.0) internal successors, (90), 18 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:18,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:19:18,971 INFO L93 Difference]: Finished difference Result 3630 states and 4273 transitions. [2021-11-22 19:19:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-11-22 19:19:18,971 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.0) internal successors, (90), 18 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2021-11-22 19:19:18,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:19:18,979 INFO L225 Difference]: With dead ends: 3630 [2021-11-22 19:19:18,979 INFO L226 Difference]: Without dead ends: 3624 [2021-11-22 19:19:18,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3928 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1739, Invalid=10033, Unknown=0, NotChecked=0, Total=11772 [2021-11-22 19:19:18,982 INFO L933 BasicCegarLoop]: 591 mSDtfsCounter, 4547 mSDsluCounter, 5856 mSDsCounter, 0 mSdLazyCounter, 2809 mSolverCounterSat, 755 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4547 SdHoareTripleChecker+Valid, 6447 SdHoareTripleChecker+Invalid, 3564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 755 IncrementalHoareTripleChecker+Valid, 2809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-22 19:19:18,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4547 Valid, 6447 Invalid, 3564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [755 Valid, 2809 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-22 19:19:18,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3624 states. [2021-11-22 19:19:19,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3624 to 1564. [2021-11-22 19:19:19,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1541 states have (on average 1.2310188189487346) internal successors, (1897), 1563 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:19,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 1897 transitions. [2021-11-22 19:19:19,051 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 1897 transitions. Word has length 90 [2021-11-22 19:19:19,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:19:19,052 INFO L470 AbstractCegarLoop]: Abstraction has 1564 states and 1897 transitions. [2021-11-22 19:19:19,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.0) internal successors, (90), 18 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:19,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 1897 transitions. [2021-11-22 19:19:19,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-22 19:19:19,053 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:19:19,053 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:19:19,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-22 19:19:19,055 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:19:19,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:19:19,056 INFO L85 PathProgramCache]: Analyzing trace with hash 551930614, now seen corresponding path program 1 times [2021-11-22 19:19:19,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:19:19,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034963840] [2021-11-22 19:19:19,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:19:19,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:19:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:19:19,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:19:19,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:19:19,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034963840] [2021-11-22 19:19:19,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034963840] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:19:19,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:19:19,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 19:19:19,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219471516] [2021-11-22 19:19:19,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:19:19,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 19:19:19,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:19:19,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 19:19:19,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 19:19:19,150 INFO L87 Difference]: Start difference. First operand 1564 states and 1897 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:19,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:19:19,215 INFO L93 Difference]: Finished difference Result 2754 states and 3370 transitions. [2021-11-22 19:19:19,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 19:19:19,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-11-22 19:19:19,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:19:19,230 INFO L225 Difference]: With dead ends: 2754 [2021-11-22 19:19:19,231 INFO L226 Difference]: Without dead ends: 1699 [2021-11-22 19:19:19,232 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 19:19:19,232 INFO L933 BasicCegarLoop]: 385 mSDtfsCounter, 187 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 19:19:19,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 711 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 19:19:19,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2021-11-22 19:19:19,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 1564. [2021-11-22 19:19:19,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1541 states have (on average 1.2258273848150552) internal successors, (1889), 1563 states have internal predecessors, (1889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:19,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 1889 transitions. [2021-11-22 19:19:19,285 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 1889 transitions. Word has length 93 [2021-11-22 19:19:19,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:19:19,285 INFO L470 AbstractCegarLoop]: Abstraction has 1564 states and 1889 transitions. [2021-11-22 19:19:19,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:19,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 1889 transitions. [2021-11-22 19:19:19,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-22 19:19:19,287 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:19:19,287 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:19:19,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-22 19:19:19,287 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:19:19,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:19:19,288 INFO L85 PathProgramCache]: Analyzing trace with hash 2013434215, now seen corresponding path program 1 times [2021-11-22 19:19:19,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:19:19,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365460477] [2021-11-22 19:19:19,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:19:19,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:19:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:19:19,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:19:19,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:19:19,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365460477] [2021-11-22 19:19:19,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365460477] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:19:19,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:19:19,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-22 19:19:19,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892662058] [2021-11-22 19:19:19,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:19:19,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-22 19:19:19,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:19:19,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-22 19:19:19,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-22 19:19:19,680 INFO L87 Difference]: Start difference. First operand 1564 states and 1889 transitions. Second operand has 13 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:21,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:19:21,578 INFO L93 Difference]: Finished difference Result 2851 states and 3340 transitions. [2021-11-22 19:19:21,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-22 19:19:21,579 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-11-22 19:19:21,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:19:21,582 INFO L225 Difference]: With dead ends: 2851 [2021-11-22 19:19:21,582 INFO L226 Difference]: Without dead ends: 1966 [2021-11-22 19:19:21,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=244, Invalid=626, Unknown=0, NotChecked=0, Total=870 [2021-11-22 19:19:21,591 INFO L933 BasicCegarLoop]: 849 mSDtfsCounter, 1484 mSDsluCounter, 4075 mSDsCounter, 0 mSdLazyCounter, 1754 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1484 SdHoareTripleChecker+Valid, 4924 SdHoareTripleChecker+Invalid, 1835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-22 19:19:21,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1484 Valid, 4924 Invalid, 1835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1754 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-22 19:19:21,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1966 states. [2021-11-22 19:19:21,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1966 to 1572. [2021-11-22 19:19:21,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1549 states have (on average 1.2220787604906391) internal successors, (1893), 1571 states have internal predecessors, (1893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:21,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 1893 transitions. [2021-11-22 19:19:21,656 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 1893 transitions. Word has length 93 [2021-11-22 19:19:21,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:19:21,656 INFO L470 AbstractCegarLoop]: Abstraction has 1572 states and 1893 transitions. [2021-11-22 19:19:21,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:21,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 1893 transitions. [2021-11-22 19:19:21,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-22 19:19:21,658 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:19:21,658 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:19:21,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-22 19:19:21,658 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:19:21,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:19:21,659 INFO L85 PathProgramCache]: Analyzing trace with hash 2036066469, now seen corresponding path program 1 times [2021-11-22 19:19:21,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:19:21,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272564656] [2021-11-22 19:19:21,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:19:21,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:19:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:19:22,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:19:22,226 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:19:22,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272564656] [2021-11-22 19:19:22,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272564656] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:19:22,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:19:22,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-11-22 19:19:22,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969033280] [2021-11-22 19:19:22,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:19:22,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-22 19:19:22,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:19:22,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-22 19:19:22,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-11-22 19:19:22,227 INFO L87 Difference]: Start difference. First operand 1572 states and 1893 transitions. Second operand has 15 states, 15 states have (on average 6.2) internal successors, (93), 15 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:24,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:19:24,392 INFO L93 Difference]: Finished difference Result 2563 states and 2918 transitions. [2021-11-22 19:19:24,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-22 19:19:24,392 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.2) internal successors, (93), 15 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-11-22 19:19:24,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:19:24,394 INFO L225 Difference]: With dead ends: 2563 [2021-11-22 19:19:24,394 INFO L226 Difference]: Without dead ends: 1909 [2021-11-22 19:19:24,395 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=270, Invalid=660, Unknown=0, NotChecked=0, Total=930 [2021-11-22 19:19:24,395 INFO L933 BasicCegarLoop]: 686 mSDtfsCounter, 2452 mSDsluCounter, 4456 mSDsCounter, 0 mSdLazyCounter, 2054 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2452 SdHoareTripleChecker+Valid, 5142 SdHoareTripleChecker+Invalid, 2145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 2054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-22 19:19:24,395 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2452 Valid, 5142 Invalid, 2145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 2054 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-22 19:19:24,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1909 states. [2021-11-22 19:19:24,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1909 to 1277. [2021-11-22 19:19:24,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1277 states, 1254 states have (on average 1.2129186602870814) internal successors, (1521), 1276 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:24,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1521 transitions. [2021-11-22 19:19:24,432 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1521 transitions. Word has length 93 [2021-11-22 19:19:24,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:19:24,432 INFO L470 AbstractCegarLoop]: Abstraction has 1277 states and 1521 transitions. [2021-11-22 19:19:24,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.2) internal successors, (93), 15 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:24,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1521 transitions. [2021-11-22 19:19:24,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-22 19:19:24,437 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:19:24,437 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:19:24,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-22 19:19:24,437 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:19:24,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:19:24,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1682978087, now seen corresponding path program 1 times [2021-11-22 19:19:24,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:19:24,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041258088] [2021-11-22 19:19:24,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:19:24,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:19:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:19:25,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:19:25,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:19:25,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041258088] [2021-11-22 19:19:25,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041258088] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:19:25,346 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:19:25,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-11-22 19:19:25,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947371563] [2021-11-22 19:19:25,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:19:25,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-22 19:19:25,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:19:25,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-22 19:19:25,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2021-11-22 19:19:25,347 INFO L87 Difference]: Start difference. First operand 1277 states and 1521 transitions. Second operand has 22 states, 22 states have (on average 4.2272727272727275) internal successors, (93), 22 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:33,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:19:33,303 INFO L93 Difference]: Finished difference Result 3182 states and 3603 transitions. [2021-11-22 19:19:33,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-11-22 19:19:33,303 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.2272727272727275) internal successors, (93), 22 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-11-22 19:19:33,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:19:33,307 INFO L225 Difference]: With dead ends: 3182 [2021-11-22 19:19:33,307 INFO L226 Difference]: Without dead ends: 3176 [2021-11-22 19:19:33,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6006 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=2260, Invalid=15830, Unknown=0, NotChecked=0, Total=18090 [2021-11-22 19:19:33,311 INFO L933 BasicCegarLoop]: 864 mSDtfsCounter, 4376 mSDsluCounter, 10967 mSDsCounter, 0 mSdLazyCounter, 4908 mSolverCounterSat, 605 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4376 SdHoareTripleChecker+Valid, 11831 SdHoareTripleChecker+Invalid, 5513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 605 IncrementalHoareTripleChecker+Valid, 4908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-22 19:19:33,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4376 Valid, 11831 Invalid, 5513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [605 Valid, 4908 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-22 19:19:33,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3176 states. [2021-11-22 19:19:33,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3176 to 1120. [2021-11-22 19:19:33,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1097 states have (on average 1.211485870556062) internal successors, (1329), 1119 states have internal predecessors, (1329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:33,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1329 transitions. [2021-11-22 19:19:33,347 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1329 transitions. Word has length 93 [2021-11-22 19:19:33,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:19:33,347 INFO L470 AbstractCegarLoop]: Abstraction has 1120 states and 1329 transitions. [2021-11-22 19:19:33,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.2272727272727275) internal successors, (93), 22 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:33,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1329 transitions. [2021-11-22 19:19:33,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-22 19:19:33,348 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:19:33,348 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:19:33,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-22 19:19:33,349 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:19:33,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:19:33,349 INFO L85 PathProgramCache]: Analyzing trace with hash 951975429, now seen corresponding path program 1 times [2021-11-22 19:19:33,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:19:33,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689649878] [2021-11-22 19:19:33,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:19:33,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:19:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:19:33,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:19:33,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:19:33,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689649878] [2021-11-22 19:19:33,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689649878] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:19:33,449 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:19:33,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 19:19:33,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589171287] [2021-11-22 19:19:33,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:19:33,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 19:19:33,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:19:33,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 19:19:33,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 19:19:33,451 INFO L87 Difference]: Start difference. First operand 1120 states and 1329 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:33,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:19:33,477 INFO L93 Difference]: Finished difference Result 1465 states and 1711 transitions. [2021-11-22 19:19:33,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 19:19:33,477 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-11-22 19:19:33,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:19:33,478 INFO L225 Difference]: With dead ends: 1465 [2021-11-22 19:19:33,478 INFO L226 Difference]: Without dead ends: 753 [2021-11-22 19:19:33,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 19:19:33,480 INFO L933 BasicCegarLoop]: 384 mSDtfsCounter, 189 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 19:19:33,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 895 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 19:19:33,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2021-11-22 19:19:33,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 535. [2021-11-22 19:19:33,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 512 states have (on average 1.154296875) internal successors, (591), 534 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:33,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 591 transitions. [2021-11-22 19:19:33,496 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 591 transitions. Word has length 94 [2021-11-22 19:19:33,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:19:33,496 INFO L470 AbstractCegarLoop]: Abstraction has 535 states and 591 transitions. [2021-11-22 19:19:33,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:33,496 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 591 transitions. [2021-11-22 19:19:33,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-22 19:19:33,497 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:19:33,497 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:19:33,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-22 19:19:33,498 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:19:33,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:19:33,498 INFO L85 PathProgramCache]: Analyzing trace with hash -2017730749, now seen corresponding path program 1 times [2021-11-22 19:19:33,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:19:33,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962185362] [2021-11-22 19:19:33,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:19:33,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:19:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:19:33,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:19:33,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:19:33,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962185362] [2021-11-22 19:19:33,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962185362] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 19:19:33,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21004515] [2021-11-22 19:19:33,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:19:33,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 19:19:33,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 19:19:33,619 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 19:19:33,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-22 19:19:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:19:34,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 2757 conjuncts, 71 conjunts are in the unsatisfiable core [2021-11-22 19:19:34,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 19:19:34,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 19:19:34,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-22 19:19:34,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2021-11-22 19:19:34,859 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-22 19:19:34,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 23 [2021-11-22 19:19:34,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:19:34,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 19:19:35,014 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2690 (Array Int Int))) (not (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base| v_ArrVal_2690) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|) (+ 16 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 18446744073709551616) 0))) is different from false [2021-11-22 19:19:35,023 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2690 (Array Int Int))) (not (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_memset_impl_~s#1.base| v_ArrVal_2690) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|) (+ 16 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 18446744073709551616) 0))) is different from false [2021-11-22 19:19:35,038 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2690 (Array Int Int))) (not (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base| v_ArrVal_2690) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|) (+ 16 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 18446744073709551616) 0))) is different from false [2021-11-22 19:19:35,183 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2690 (Array Int Int))) (not (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_2690) |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|) (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 16)) 18446744073709551616) 0))) is different from false [2021-11-22 19:19:35,249 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_2690 (Array Int Int))) (not (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_2690) |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|) (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 16)) 18446744073709551616) 0))) |c_ULTIMATE.start_aws_byte_buf_is_valid_#t~short676#1|) is different from false [2021-11-22 19:19:35,263 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_2690 (Array Int Int))) (not (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_2690) |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|) (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 16)) 18446744073709551616) 0))) (= (mod (select (select |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.base|) (+ 16 |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.offset|)) 18446744073709551616) 0)) is different from false [2021-11-22 19:19:35,271 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_2690 (Array Int Int))) (not (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_2690) |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|) (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 16)) 18446744073709551616) 0))) (= (mod (select (select |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|) (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 16)) 18446744073709551616) 0)) is different from false [2021-11-22 19:19:35,293 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2686 Int) (v_ArrVal_2690 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base|) (+ |c_ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 8) v_ArrVal_2686))) (.cse1 (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 16))) (or (not (= (mod (select (select (store .cse0 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_2690) |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|) .cse1) 18446744073709551616) 0)) (= (mod (select (select .cse0 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|) .cse1) 18446744073709551616) 0)))) is different from false [2021-11-22 19:19:35,361 INFO L354 Elim1Store]: treesize reduction 23, result has 58.9 percent of original size [2021-11-22 19:19:35,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 83 [2021-11-22 19:19:35,370 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 19:19:35,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 93 [2021-11-22 19:19:35,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 89 [2021-11-22 19:19:35,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-11-22 19:19:35,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21004515] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 19:19:35,434 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 19:19:35,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 13, 14] total 27 [2021-11-22 19:19:35,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35440800] [2021-11-22 19:19:35,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 19:19:35,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-22 19:19:35,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:19:35,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-22 19:19:35,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=295, Unknown=8, NotChecked=328, Total=702 [2021-11-22 19:19:35,436 INFO L87 Difference]: Start difference. First operand 535 states and 591 transitions. Second operand has 27 states, 27 states have (on average 9.592592592592593) internal successors, (259), 27 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:36,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:19:36,911 INFO L93 Difference]: Finished difference Result 1043 states and 1145 transitions. [2021-11-22 19:19:36,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-22 19:19:36,911 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 9.592592592592593) internal successors, (259), 27 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-22 19:19:36,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:19:36,913 INFO L225 Difference]: With dead ends: 1043 [2021-11-22 19:19:36,913 INFO L226 Difference]: Without dead ends: 835 [2021-11-22 19:19:36,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 176 SyntacticMatches, 6 SemanticMatches, 42 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=231, Invalid=1053, Unknown=8, NotChecked=600, Total=1892 [2021-11-22 19:19:36,914 INFO L933 BasicCegarLoop]: 538 mSDtfsCounter, 1023 mSDsluCounter, 5294 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1023 SdHoareTripleChecker+Valid, 5832 SdHoareTripleChecker+Invalid, 5419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4097 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-22 19:19:36,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1023 Valid, 5832 Invalid, 5419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1275 Invalid, 0 Unknown, 4097 Unchecked, 0.8s Time] [2021-11-22 19:19:36,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2021-11-22 19:19:36,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 537. [2021-11-22 19:19:36,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 514 states have (on average 1.1536964980544746) internal successors, (593), 536 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:36,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 593 transitions. [2021-11-22 19:19:36,934 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 593 transitions. Word has length 96 [2021-11-22 19:19:36,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:19:36,935 INFO L470 AbstractCegarLoop]: Abstraction has 537 states and 593 transitions. [2021-11-22 19:19:36,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 9.592592592592593) internal successors, (259), 27 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:36,935 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 593 transitions. [2021-11-22 19:19:36,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-22 19:19:36,936 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:19:36,936 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:19:36,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-22 19:19:37,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 19:19:37,158 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:19:37,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:19:37,158 INFO L85 PathProgramCache]: Analyzing trace with hash 247884033, now seen corresponding path program 2 times [2021-11-22 19:19:37,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:19:37,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304770922] [2021-11-22 19:19:37,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:19:37,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:19:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:19:37,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:19:37,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:19:37,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304770922] [2021-11-22 19:19:37,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304770922] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 19:19:37,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911089780] [2021-11-22 19:19:37,341 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 19:19:37,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 19:19:37,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 19:19:37,343 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 19:19:37,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-22 19:19:38,395 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-22 19:19:38,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 19:19:38,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 2776 conjuncts, 71 conjunts are in the unsatisfiable core [2021-11-22 19:19:38,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 19:19:38,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 19:19:38,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-22 19:19:38,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2021-11-22 19:19:38,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:19:38,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2021-11-22 19:19:39,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2021-11-22 19:19:39,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-22 19:19:39,173 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-22 19:19:39,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 23 [2021-11-22 19:19:39,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:19:39,272 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 19:19:39,333 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2843 (Array Int Int))) (not (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base| v_ArrVal_2843) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|) (+ 16 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 18446744073709551616) 0))) is different from false [2021-11-22 19:19:39,344 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2843 (Array Int Int))) (not (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_memset_impl_~s#1.base| v_ArrVal_2843) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|) (+ 16 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 18446744073709551616) 0))) is different from false [2021-11-22 19:19:39,356 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2843 (Array Int Int))) (not (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base| v_ArrVal_2843) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|) (+ 16 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 18446744073709551616) 0))) is different from false [2021-11-22 19:19:39,401 WARN L838 $PredicateComparison]: unable to prove that (or |c_ULTIMATE.start_aws_byte_buf_is_valid_#t~short676#1| (forall ((v_ArrVal_2843 (Array Int Int))) (not (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base| v_ArrVal_2843) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|) (+ 16 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 18446744073709551616) 0)))) is different from false [2021-11-22 19:19:39,411 WARN L838 $PredicateComparison]: unable to prove that (or (= (mod (select (select |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.base|) (+ 16 |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.offset|)) 18446744073709551616) 0) (forall ((v_ArrVal_2843 (Array Int Int))) (not (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base| v_ArrVal_2843) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|) (+ 16 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 18446744073709551616) 0)))) is different from false [2021-11-22 19:19:39,419 WARN L838 $PredicateComparison]: unable to prove that (or (= (mod (select (select |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base|) (+ |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset| 16)) 18446744073709551616) 0) (forall ((v_ArrVal_2843 (Array Int Int))) (not (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base| v_ArrVal_2843) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|) (+ 16 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 18446744073709551616) 0)))) is different from false [2021-11-22 19:19:39,501 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_2843 (Array Int Int))) (not (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_2843) |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|) (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 16)) 18446744073709551616) 0))) (= (mod (select (select |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base|) (+ 16 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.offset|)) 18446744073709551616) 0)) is different from false [2021-11-22 19:19:39,531 WARN L838 $PredicateComparison]: unable to prove that (or (= (mod (select (select |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|) (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 16)) 18446744073709551616) 0) (forall ((v_ArrVal_2843 (Array Int Int))) (not (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_2843) |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|) (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 16)) 18446744073709551616) 0)))) is different from false [2021-11-22 19:19:39,663 INFO L354 Elim1Store]: treesize reduction 23, result has 58.9 percent of original size [2021-11-22 19:19:39,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 83 [2021-11-22 19:19:39,674 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 19:19:39,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 93 [2021-11-22 19:19:39,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 89 [2021-11-22 19:19:39,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 3 not checked. [2021-11-22 19:19:39,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911089780] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 19:19:39,873 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 19:19:39,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 15, 14] total 30 [2021-11-22 19:19:39,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273863629] [2021-11-22 19:19:39,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 19:19:39,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-11-22 19:19:39,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:19:39,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-11-22 19:19:39,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=408, Unknown=8, NotChecked=376, Total=870 [2021-11-22 19:19:39,874 INFO L87 Difference]: Start difference. First operand 537 states and 593 transitions. Second operand has 30 states, 30 states have (on average 8.833333333333334) internal successors, (265), 30 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:42,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:19:42,578 INFO L93 Difference]: Finished difference Result 1702 states and 1872 transitions. [2021-11-22 19:19:42,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-22 19:19:42,579 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 8.833333333333334) internal successors, (265), 30 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-11-22 19:19:42,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:19:42,581 INFO L225 Difference]: With dead ends: 1702 [2021-11-22 19:19:42,581 INFO L226 Difference]: Without dead ends: 1494 [2021-11-22 19:19:42,582 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 178 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=268, Invalid=1648, Unknown=8, NotChecked=728, Total=2652 [2021-11-22 19:19:42,582 INFO L933 BasicCegarLoop]: 1096 mSDtfsCounter, 1279 mSDsluCounter, 13891 mSDsCounter, 0 mSdLazyCounter, 3232 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1279 SdHoareTripleChecker+Valid, 14987 SdHoareTripleChecker+Invalid, 12480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 3232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9215 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-22 19:19:42,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1279 Valid, 14987 Invalid, 12480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 3232 Invalid, 0 Unknown, 9215 Unchecked, 1.9s Time] [2021-11-22 19:19:42,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2021-11-22 19:19:42,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 593. [2021-11-22 19:19:42,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 570 states have (on average 1.1421052631578947) internal successors, (651), 592 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:42,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 651 transitions. [2021-11-22 19:19:42,606 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 651 transitions. Word has length 98 [2021-11-22 19:19:42,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:19:42,606 INFO L470 AbstractCegarLoop]: Abstraction has 593 states and 651 transitions. [2021-11-22 19:19:42,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 8.833333333333334) internal successors, (265), 30 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:42,607 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 651 transitions. [2021-11-22 19:19:42,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-22 19:19:42,608 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:19:42,608 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:19:42,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-22 19:19:42,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-11-22 19:19:42,832 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:19:42,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:19:42,833 INFO L85 PathProgramCache]: Analyzing trace with hash -486779354, now seen corresponding path program 1 times [2021-11-22 19:19:42,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:19:42,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776289798] [2021-11-22 19:19:42,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:19:42,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:19:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:19:43,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:19:43,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:19:43,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776289798] [2021-11-22 19:19:43,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776289798] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:19:43,206 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:19:43,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-22 19:19:43,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238065695] [2021-11-22 19:19:43,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:19:43,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-22 19:19:43,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:19:43,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-22 19:19:43,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-22 19:19:43,207 INFO L87 Difference]: Start difference. First operand 593 states and 651 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 9 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:43,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:19:43,990 INFO L93 Difference]: Finished difference Result 1451 states and 1593 transitions. [2021-11-22 19:19:43,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-22 19:19:43,990 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 9 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2021-11-22 19:19:43,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:19:43,992 INFO L225 Difference]: With dead ends: 1451 [2021-11-22 19:19:43,992 INFO L226 Difference]: Without dead ends: 1061 [2021-11-22 19:19:43,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2021-11-22 19:19:43,993 INFO L933 BasicCegarLoop]: 701 mSDtfsCounter, 1508 mSDsluCounter, 2351 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1508 SdHoareTripleChecker+Valid, 3052 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-22 19:19:43,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1508 Valid, 3052 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-22 19:19:43,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2021-11-22 19:19:44,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 589. [2021-11-22 19:19:44,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 566 states have (on average 1.1413427561837455) internal successors, (646), 588 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:44,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 646 transitions. [2021-11-22 19:19:44,014 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 646 transitions. Word has length 99 [2021-11-22 19:19:44,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:19:44,015 INFO L470 AbstractCegarLoop]: Abstraction has 589 states and 646 transitions. [2021-11-22 19:19:44,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 9 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:44,015 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 646 transitions. [2021-11-22 19:19:44,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-22 19:19:44,016 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:19:44,016 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:19:44,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-22 19:19:44,016 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:19:44,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:19:44,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1889250277, now seen corresponding path program 1 times [2021-11-22 19:19:44,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:19:44,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801501677] [2021-11-22 19:19:44,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:19:44,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:19:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:19:46,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:19:46,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:19:46,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801501677] [2021-11-22 19:19:46,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801501677] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:19:46,083 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:19:46,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-11-22 19:19:46,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532279661] [2021-11-22 19:19:46,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:19:46,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-22 19:19:46,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:19:46,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-22 19:19:46,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2021-11-22 19:19:46,084 INFO L87 Difference]: Start difference. First operand 589 states and 646 transitions. Second operand has 20 states, 20 states have (on average 5.0) internal successors, (100), 20 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:49,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:19:49,248 INFO L93 Difference]: Finished difference Result 1484 states and 1630 transitions. [2021-11-22 19:19:49,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-22 19:19:49,248 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.0) internal successors, (100), 20 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-11-22 19:19:49,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:19:49,250 INFO L225 Difference]: With dead ends: 1484 [2021-11-22 19:19:49,250 INFO L226 Difference]: Without dead ends: 1304 [2021-11-22 19:19:49,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 625 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=437, Invalid=2215, Unknown=0, NotChecked=0, Total=2652 [2021-11-22 19:19:49,251 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 1955 mSDsluCounter, 3310 mSDsCounter, 0 mSdLazyCounter, 2074 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1955 SdHoareTripleChecker+Valid, 3609 SdHoareTripleChecker+Invalid, 2155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 2074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-22 19:19:49,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1955 Valid, 3609 Invalid, 2155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 2074 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-22 19:19:49,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1304 states. [2021-11-22 19:19:49,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1304 to 611. [2021-11-22 19:19:49,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 588 states have (on average 1.1428571428571428) internal successors, (672), 610 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:49,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 672 transitions. [2021-11-22 19:19:49,276 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 672 transitions. Word has length 100 [2021-11-22 19:19:49,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:19:49,276 INFO L470 AbstractCegarLoop]: Abstraction has 611 states and 672 transitions. [2021-11-22 19:19:49,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.0) internal successors, (100), 20 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:49,276 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 672 transitions. [2021-11-22 19:19:49,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-22 19:19:49,277 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:19:49,277 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:19:49,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-22 19:19:49,278 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:19:49,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:19:49,279 INFO L85 PathProgramCache]: Analyzing trace with hash 2147415715, now seen corresponding path program 1 times [2021-11-22 19:19:49,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:19:49,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885796889] [2021-11-22 19:19:49,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:19:49,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:19:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:19:49,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:19:49,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:19:49,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885796889] [2021-11-22 19:19:49,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885796889] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:19:49,921 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:19:49,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-11-22 19:19:49,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433768056] [2021-11-22 19:19:49,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:19:49,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-22 19:19:49,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:19:49,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-22 19:19:49,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2021-11-22 19:19:49,922 INFO L87 Difference]: Start difference. First operand 611 states and 672 transitions. Second operand has 20 states, 20 states have (on average 5.0) internal successors, (100), 20 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:53,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:19:53,126 INFO L93 Difference]: Finished difference Result 1599 states and 1754 transitions. [2021-11-22 19:19:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-22 19:19:53,127 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.0) internal successors, (100), 20 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-11-22 19:19:53,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:19:53,129 INFO L225 Difference]: With dead ends: 1599 [2021-11-22 19:19:53,129 INFO L226 Difference]: Without dead ends: 1417 [2021-11-22 19:19:53,130 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 817 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=557, Invalid=2523, Unknown=0, NotChecked=0, Total=3080 [2021-11-22 19:19:53,131 INFO L933 BasicCegarLoop]: 429 mSDtfsCounter, 2614 mSDsluCounter, 5135 mSDsCounter, 0 mSdLazyCounter, 2381 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2614 SdHoareTripleChecker+Valid, 5564 SdHoareTripleChecker+Invalid, 2526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 2381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-22 19:19:53,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2614 Valid, 5564 Invalid, 2526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 2381 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-22 19:19:53,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1417 states. [2021-11-22 19:19:53,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1417 to 659. [2021-11-22 19:19:53,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 636 states have (on average 1.139937106918239) internal successors, (725), 658 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:53,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 725 transitions. [2021-11-22 19:19:53,158 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 725 transitions. Word has length 100 [2021-11-22 19:19:53,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:19:53,158 INFO L470 AbstractCegarLoop]: Abstraction has 659 states and 725 transitions. [2021-11-22 19:19:53,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.0) internal successors, (100), 20 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:53,159 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 725 transitions. [2021-11-22 19:19:53,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-22 19:19:53,159 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:19:53,160 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:19:53,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-22 19:19:53,160 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:19:53,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:19:53,160 INFO L85 PathProgramCache]: Analyzing trace with hash 456240095, now seen corresponding path program 1 times [2021-11-22 19:19:53,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:19:53,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112215074] [2021-11-22 19:19:53,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:19:53,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:19:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:19:53,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:19:53,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:19:53,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112215074] [2021-11-22 19:19:53,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112215074] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:19:53,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:19:53,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-11-22 19:19:53,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109719206] [2021-11-22 19:19:53,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:19:53,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-22 19:19:53,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:19:53,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-22 19:19:53,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2021-11-22 19:19:53,769 INFO L87 Difference]: Start difference. First operand 659 states and 725 transitions. Second operand has 18 states, 18 states have (on average 5.555555555555555) internal successors, (100), 18 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:56,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:19:56,863 INFO L93 Difference]: Finished difference Result 1655 states and 1821 transitions. [2021-11-22 19:19:56,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-22 19:19:56,863 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.555555555555555) internal successors, (100), 18 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-11-22 19:19:56,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:19:56,865 INFO L225 Difference]: With dead ends: 1655 [2021-11-22 19:19:56,865 INFO L226 Difference]: Without dead ends: 1478 [2021-11-22 19:19:56,867 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 725 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=637, Invalid=2443, Unknown=0, NotChecked=0, Total=3080 [2021-11-22 19:19:56,867 INFO L933 BasicCegarLoop]: 429 mSDtfsCounter, 2529 mSDsluCounter, 4249 mSDsCounter, 0 mSdLazyCounter, 1745 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2529 SdHoareTripleChecker+Valid, 4678 SdHoareTripleChecker+Invalid, 1864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 1745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-22 19:19:56,868 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2529 Valid, 4678 Invalid, 1864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 1745 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-22 19:19:56,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2021-11-22 19:19:56,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 784. [2021-11-22 19:19:56,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 761 states have (on average 1.1327201051248357) internal successors, (862), 783 states have internal predecessors, (862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:56,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 862 transitions. [2021-11-22 19:19:56,900 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 862 transitions. Word has length 100 [2021-11-22 19:19:56,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:19:56,900 INFO L470 AbstractCegarLoop]: Abstraction has 784 states and 862 transitions. [2021-11-22 19:19:56,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.555555555555555) internal successors, (100), 18 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:19:56,900 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 862 transitions. [2021-11-22 19:19:56,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-22 19:19:56,901 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:19:56,901 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:19:56,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-22 19:19:56,902 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:19:56,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:19:56,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1477739719, now seen corresponding path program 1 times [2021-11-22 19:19:56,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:19:56,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701063807] [2021-11-22 19:19:56,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:19:56,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:19:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:19:57,056 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:19:57,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:19:57,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701063807] [2021-11-22 19:19:57,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701063807] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 19:19:57,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27229773] [2021-11-22 19:19:57,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:19:57,057 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 19:19:57,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 19:19:57,071 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 19:19:57,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-22 19:19:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:19:57,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 2792 conjuncts, 70 conjunts are in the unsatisfiable core [2021-11-22 19:19:57,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 19:19:57,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 19:19:57,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-11-22 19:19:58,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-11-22 19:19:58,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-11-22 19:19:58,223 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-22 19:19:58,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 22 [2021-11-22 19:19:58,331 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 19:19:58,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 32 [2021-11-22 19:19:58,358 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 19:19:58,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 19:19:58,471 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3497 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base| v_ArrVal_3497) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|))) (let ((.cse1 (mod (select .cse0 (+ 16 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 18446744073709551616))) (or (<= (mod (select .cse0 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|) 18446744073709551616) .cse1) (= .cse1 0))))) is different from false [2021-11-22 19:19:58,496 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3497 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_memset_impl_~s#1.base| v_ArrVal_3497) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|))) (let ((.cse1 (mod (select .cse0 (+ 16 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 18446744073709551616))) (or (<= (mod (select .cse0 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|) 18446744073709551616) .cse1) (= .cse1 0))))) is different from false [2021-11-22 19:19:58,512 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3497 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base| v_ArrVal_3497) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|))) (let ((.cse1 (mod (select .cse0 (+ 16 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 18446744073709551616))) (or (<= (mod (select .cse0 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|) 18446744073709551616) .cse1) (= 0 .cse1))))) is different from false [2021-11-22 19:19:58,720 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3497 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_3497) |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|))) (let ((.cse1 (mod (select .cse0 (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 16)) 18446744073709551616))) (or (<= (mod (select .cse0 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset|) 18446744073709551616) .cse1) (= .cse1 0))))) is different from false [2021-11-22 19:19:58,816 INFO L354 Elim1Store]: treesize reduction 10, result has 71.4 percent of original size [2021-11-22 19:19:58,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 79 treesize of output 83 [2021-11-22 19:19:58,821 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-22 19:19:58,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 71 [2021-11-22 19:19:58,981 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 5 not checked. [2021-11-22 19:19:58,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27229773] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 19:19:58,981 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 19:19:58,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 15, 15] total 31 [2021-11-22 19:19:58,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331558379] [2021-11-22 19:19:58,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 19:19:58,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-11-22 19:19:58,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:19:58,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-11-22 19:19:58,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=615, Unknown=4, NotChecked=212, Total=930 [2021-11-22 19:19:58,982 INFO L87 Difference]: Start difference. First operand 784 states and 862 transitions. Second operand has 31 states, 31 states have (on average 9.03225806451613) internal successors, (280), 31 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:01,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:20:01,632 INFO L93 Difference]: Finished difference Result 1365 states and 1504 transitions. [2021-11-22 19:20:01,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-22 19:20:01,632 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 9.03225806451613) internal successors, (280), 31 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-11-22 19:20:01,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:20:01,648 INFO L225 Difference]: With dead ends: 1365 [2021-11-22 19:20:01,663 INFO L226 Difference]: Without dead ends: 1150 [2021-11-22 19:20:01,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 180 SyntacticMatches, 7 SemanticMatches, 57 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 789 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=483, Invalid=2499, Unknown=4, NotChecked=436, Total=3422 [2021-11-22 19:20:01,665 INFO L933 BasicCegarLoop]: 590 mSDtfsCounter, 1297 mSDsluCounter, 7584 mSDsCounter, 0 mSdLazyCounter, 1938 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1297 SdHoareTripleChecker+Valid, 8174 SdHoareTripleChecker+Invalid, 4051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 1938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2018 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-22 19:20:01,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1297 Valid, 8174 Invalid, 4051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 1938 Invalid, 0 Unknown, 2018 Unchecked, 1.4s Time] [2021-11-22 19:20:01,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2021-11-22 19:20:01,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 815. [2021-11-22 19:20:01,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 815 states, 792 states have (on average 1.128787878787879) internal successors, (894), 814 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:01,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 894 transitions. [2021-11-22 19:20:01,720 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 894 transitions. Word has length 100 [2021-11-22 19:20:01,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:20:01,720 INFO L470 AbstractCegarLoop]: Abstraction has 815 states and 894 transitions. [2021-11-22 19:20:01,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 9.03225806451613) internal successors, (280), 31 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:01,721 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 894 transitions. [2021-11-22 19:20:01,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-22 19:20:01,721 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:20:01,722 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:20:01,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-22 19:20:01,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 19:20:01,943 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:20:01,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:20:01,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1717157345, now seen corresponding path program 1 times [2021-11-22 19:20:01,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:20:01,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692950419] [2021-11-22 19:20:01,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:20:01,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:20:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:20:02,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:20:02,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:20:02,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692950419] [2021-11-22 19:20:02,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692950419] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:20:02,340 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:20:02,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-11-22 19:20:02,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328212147] [2021-11-22 19:20:02,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:20:02,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-22 19:20:02,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:20:02,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-22 19:20:02,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-22 19:20:02,341 INFO L87 Difference]: Start difference. First operand 815 states and 894 transitions. Second operand has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:04,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:20:04,137 INFO L93 Difference]: Finished difference Result 1637 states and 1787 transitions. [2021-11-22 19:20:04,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-22 19:20:04,137 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-11-22 19:20:04,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:20:04,139 INFO L225 Difference]: With dead ends: 1637 [2021-11-22 19:20:04,139 INFO L226 Difference]: Without dead ends: 1271 [2021-11-22 19:20:04,140 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 608 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=480, Invalid=1682, Unknown=0, NotChecked=0, Total=2162 [2021-11-22 19:20:04,140 INFO L933 BasicCegarLoop]: 355 mSDtfsCounter, 1787 mSDsluCounter, 2249 mSDsCounter, 0 mSdLazyCounter, 1311 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1787 SdHoareTripleChecker+Valid, 2604 SdHoareTripleChecker+Invalid, 1454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-22 19:20:04,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1787 Valid, 2604 Invalid, 1454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 1311 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-22 19:20:04,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1271 states. [2021-11-22 19:20:04,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1271 to 754. [2021-11-22 19:20:04,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 754 states, 731 states have (on average 1.1299589603283173) internal successors, (826), 753 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:04,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 826 transitions. [2021-11-22 19:20:04,174 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 826 transitions. Word has length 100 [2021-11-22 19:20:04,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:20:04,174 INFO L470 AbstractCegarLoop]: Abstraction has 754 states and 826 transitions. [2021-11-22 19:20:04,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:04,174 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 826 transitions. [2021-11-22 19:20:04,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-22 19:20:04,175 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:20:04,175 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:20:04,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-22 19:20:04,175 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:20:04,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:20:04,177 INFO L85 PathProgramCache]: Analyzing trace with hash -2018201883, now seen corresponding path program 1 times [2021-11-22 19:20:04,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:20:04,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032674788] [2021-11-22 19:20:04,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:20:04,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:20:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:20:04,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:20:04,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:20:04,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032674788] [2021-11-22 19:20:04,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032674788] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:20:04,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:20:04,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-11-22 19:20:04,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454539646] [2021-11-22 19:20:04,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:20:04,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-22 19:20:04,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:20:04,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-22 19:20:04,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2021-11-22 19:20:04,655 INFO L87 Difference]: Start difference. First operand 754 states and 826 transitions. Second operand has 16 states, 16 states have (on average 6.25) internal successors, (100), 16 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:07,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:20:07,340 INFO L93 Difference]: Finished difference Result 1562 states and 1714 transitions. [2021-11-22 19:20:07,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-22 19:20:07,340 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.25) internal successors, (100), 16 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-11-22 19:20:07,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:20:07,341 INFO L225 Difference]: With dead ends: 1562 [2021-11-22 19:20:07,342 INFO L226 Difference]: Without dead ends: 1380 [2021-11-22 19:20:07,342 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=269, Invalid=921, Unknown=0, NotChecked=0, Total=1190 [2021-11-22 19:20:07,342 INFO L933 BasicCegarLoop]: 422 mSDtfsCounter, 2268 mSDsluCounter, 4979 mSDsCounter, 0 mSdLazyCounter, 1757 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2268 SdHoareTripleChecker+Valid, 5401 SdHoareTripleChecker+Invalid, 1836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-22 19:20:07,342 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2268 Valid, 5401 Invalid, 1836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 1757 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-22 19:20:07,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1380 states. [2021-11-22 19:20:07,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1380 to 770. [2021-11-22 19:20:07,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 747 states have (on average 1.1271753681392236) internal successors, (842), 769 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:07,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 842 transitions. [2021-11-22 19:20:07,378 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 842 transitions. Word has length 100 [2021-11-22 19:20:07,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:20:07,378 INFO L470 AbstractCegarLoop]: Abstraction has 770 states and 842 transitions. [2021-11-22 19:20:07,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.25) internal successors, (100), 16 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:07,379 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 842 transitions. [2021-11-22 19:20:07,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-22 19:20:07,380 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:20:07,380 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:20:07,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-22 19:20:07,380 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:20:07,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:20:07,380 INFO L85 PathProgramCache]: Analyzing trace with hash 585589793, now seen corresponding path program 1 times [2021-11-22 19:20:07,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:20:07,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700814179] [2021-11-22 19:20:07,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:20:07,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:20:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:20:07,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:20:07,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:20:07,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700814179] [2021-11-22 19:20:07,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700814179] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:20:07,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:20:07,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-11-22 19:20:07,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369943914] [2021-11-22 19:20:07,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:20:07,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-22 19:20:07,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:20:07,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-22 19:20:07,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-22 19:20:07,745 INFO L87 Difference]: Start difference. First operand 770 states and 842 transitions. Second operand has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:09,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:20:09,024 INFO L93 Difference]: Finished difference Result 1491 states and 1629 transitions. [2021-11-22 19:20:09,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-22 19:20:09,027 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-11-22 19:20:09,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:20:09,029 INFO L225 Difference]: With dead ends: 1491 [2021-11-22 19:20:09,029 INFO L226 Difference]: Without dead ends: 1114 [2021-11-22 19:20:09,029 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=189, Invalid=623, Unknown=0, NotChecked=0, Total=812 [2021-11-22 19:20:09,030 INFO L933 BasicCegarLoop]: 348 mSDtfsCounter, 1645 mSDsluCounter, 2559 mSDsCounter, 0 mSdLazyCounter, 1227 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1645 SdHoareTripleChecker+Valid, 2907 SdHoareTripleChecker+Invalid, 1296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-22 19:20:09,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1645 Valid, 2907 Invalid, 1296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1227 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-22 19:20:09,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2021-11-22 19:20:09,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 678. [2021-11-22 19:20:09,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 655 states have (on average 1.134351145038168) internal successors, (743), 677 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:09,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 743 transitions. [2021-11-22 19:20:09,059 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 743 transitions. Word has length 100 [2021-11-22 19:20:09,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:20:09,059 INFO L470 AbstractCegarLoop]: Abstraction has 678 states and 743 transitions. [2021-11-22 19:20:09,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:09,060 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 743 transitions. [2021-11-22 19:20:09,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-22 19:20:09,060 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:20:09,060 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:20:09,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-22 19:20:09,061 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:20:09,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:20:09,061 INFO L85 PathProgramCache]: Analyzing trace with hash 667818872, now seen corresponding path program 1 times [2021-11-22 19:20:09,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:20:09,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212628542] [2021-11-22 19:20:09,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:20:09,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:20:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:20:09,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:20:09,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:20:09,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212628542] [2021-11-22 19:20:09,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212628542] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:20:09,758 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:20:09,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-11-22 19:20:09,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508070573] [2021-11-22 19:20:09,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:20:09,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-22 19:20:09,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:20:09,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-22 19:20:09,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-11-22 19:20:09,759 INFO L87 Difference]: Start difference. First operand 678 states and 743 transitions. Second operand has 20 states, 20 states have (on average 5.1) internal successors, (102), 20 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:13,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:20:13,693 INFO L93 Difference]: Finished difference Result 1674 states and 1826 transitions. [2021-11-22 19:20:13,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-22 19:20:13,699 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.1) internal successors, (102), 20 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2021-11-22 19:20:13,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:20:13,701 INFO L225 Difference]: With dead ends: 1674 [2021-11-22 19:20:13,701 INFO L226 Difference]: Without dead ends: 1496 [2021-11-22 19:20:13,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 989 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=746, Invalid=3160, Unknown=0, NotChecked=0, Total=3906 [2021-11-22 19:20:13,702 INFO L933 BasicCegarLoop]: 432 mSDtfsCounter, 2782 mSDsluCounter, 4938 mSDsCounter, 0 mSdLazyCounter, 2827 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2782 SdHoareTripleChecker+Valid, 5370 SdHoareTripleChecker+Invalid, 2980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 2827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-22 19:20:13,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2782 Valid, 5370 Invalid, 2980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 2827 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-22 19:20:13,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1496 states. [2021-11-22 19:20:13,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1496 to 679. [2021-11-22 19:20:13,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 656 states have (on average 1.1341463414634145) internal successors, (744), 678 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:13,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 744 transitions. [2021-11-22 19:20:13,745 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 744 transitions. Word has length 102 [2021-11-22 19:20:13,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:20:13,745 INFO L470 AbstractCegarLoop]: Abstraction has 679 states and 744 transitions. [2021-11-22 19:20:13,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.1) internal successors, (102), 20 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:13,746 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 744 transitions. [2021-11-22 19:20:13,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 19:20:13,746 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:20:13,747 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:20:13,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-11-22 19:20:13,747 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:20:13,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:20:13,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1748315202, now seen corresponding path program 1 times [2021-11-22 19:20:13,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:20:13,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820301004] [2021-11-22 19:20:13,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:20:13,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:20:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:20:14,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:20:14,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:20:14,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820301004] [2021-11-22 19:20:14,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820301004] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:20:14,416 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:20:14,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-11-22 19:20:14,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186546539] [2021-11-22 19:20:14,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:20:14,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-22 19:20:14,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:20:14,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-22 19:20:14,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-11-22 19:20:14,417 INFO L87 Difference]: Start difference. First operand 679 states and 744 transitions. Second operand has 16 states, 16 states have (on average 6.4375) internal successors, (103), 16 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:17,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:20:17,953 INFO L93 Difference]: Finished difference Result 1676 states and 1825 transitions. [2021-11-22 19:20:17,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-22 19:20:17,954 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.4375) internal successors, (103), 16 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-22 19:20:17,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:20:17,956 INFO L225 Difference]: With dead ends: 1676 [2021-11-22 19:20:17,956 INFO L226 Difference]: Without dead ends: 1490 [2021-11-22 19:20:17,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 746 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=482, Invalid=2380, Unknown=0, NotChecked=0, Total=2862 [2021-11-22 19:20:17,958 INFO L933 BasicCegarLoop]: 710 mSDtfsCounter, 2092 mSDsluCounter, 5977 mSDsCounter, 0 mSdLazyCounter, 2643 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2092 SdHoareTripleChecker+Valid, 6687 SdHoareTripleChecker+Invalid, 2724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 2643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-22 19:20:17,959 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2092 Valid, 6687 Invalid, 2724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 2643 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-22 19:20:17,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2021-11-22 19:20:17,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 736. [2021-11-22 19:20:17,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 713 states have (on average 1.1318373071528751) internal successors, (807), 735 states have internal predecessors, (807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:17,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 807 transitions. [2021-11-22 19:20:17,992 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 807 transitions. Word has length 103 [2021-11-22 19:20:17,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:20:17,992 INFO L470 AbstractCegarLoop]: Abstraction has 736 states and 807 transitions. [2021-11-22 19:20:17,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.4375) internal successors, (103), 16 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:17,992 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 807 transitions. [2021-11-22 19:20:17,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 19:20:17,993 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:20:17,993 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:20:17,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-11-22 19:20:17,994 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:20:17,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:20:17,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1490149764, now seen corresponding path program 1 times [2021-11-22 19:20:17,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:20:17,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742680995] [2021-11-22 19:20:17,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:20:17,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:20:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:20:20,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:20:20,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:20:20,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742680995] [2021-11-22 19:20:20,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742680995] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:20:20,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:20:20,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-11-22 19:20:20,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444067049] [2021-11-22 19:20:20,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:20:20,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-22 19:20:20,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:20:20,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-22 19:20:20,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-22 19:20:20,941 INFO L87 Difference]: Start difference. First operand 736 states and 807 transitions. Second operand has 14 states, 14 states have (on average 7.357142857142857) internal successors, (103), 14 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:22,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:20:22,744 INFO L93 Difference]: Finished difference Result 1618 states and 1769 transitions. [2021-11-22 19:20:22,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-22 19:20:22,745 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.357142857142857) internal successors, (103), 14 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-22 19:20:22,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:20:22,747 INFO L225 Difference]: With dead ends: 1618 [2021-11-22 19:20:22,747 INFO L226 Difference]: Without dead ends: 1420 [2021-11-22 19:20:22,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=283, Invalid=907, Unknown=0, NotChecked=0, Total=1190 [2021-11-22 19:20:22,749 INFO L933 BasicCegarLoop]: 463 mSDtfsCounter, 1754 mSDsluCounter, 3890 mSDsCounter, 0 mSdLazyCounter, 1493 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1754 SdHoareTripleChecker+Valid, 4353 SdHoareTripleChecker+Invalid, 1554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-22 19:20:22,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1754 Valid, 4353 Invalid, 1554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1493 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-22 19:20:22,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2021-11-22 19:20:22,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 712. [2021-11-22 19:20:22,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 689 states have (on average 1.1320754716981132) internal successors, (780), 711 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:22,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 780 transitions. [2021-11-22 19:20:22,781 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 780 transitions. Word has length 103 [2021-11-22 19:20:22,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:20:22,782 INFO L470 AbstractCegarLoop]: Abstraction has 712 states and 780 transitions. [2021-11-22 19:20:22,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.357142857142857) internal successors, (103), 14 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:22,782 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 780 transitions. [2021-11-22 19:20:22,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 19:20:22,783 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:20:22,783 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:20:22,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-11-22 19:20:22,783 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:20:22,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:20:22,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1113641912, now seen corresponding path program 1 times [2021-11-22 19:20:22,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:20:22,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39927390] [2021-11-22 19:20:22,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:20:22,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:20:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:20:26,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:20:26,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:20:26,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39927390] [2021-11-22 19:20:26,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39927390] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:20:26,095 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:20:26,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-11-22 19:20:26,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235757551] [2021-11-22 19:20:26,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:20:26,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-22 19:20:26,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:20:26,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-22 19:20:26,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2021-11-22 19:20:26,096 INFO L87 Difference]: Start difference. First operand 712 states and 780 transitions. Second operand has 22 states, 22 states have (on average 4.681818181818182) internal successors, (103), 22 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:32,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:20:32,253 INFO L93 Difference]: Finished difference Result 1439 states and 1577 transitions. [2021-11-22 19:20:32,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-22 19:20:32,254 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.681818181818182) internal successors, (103), 22 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-22 19:20:32,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:20:32,271 INFO L225 Difference]: With dead ends: 1439 [2021-11-22 19:20:32,271 INFO L226 Difference]: Without dead ends: 1262 [2021-11-22 19:20:32,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 784 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=577, Invalid=2615, Unknown=0, NotChecked=0, Total=3192 [2021-11-22 19:20:32,274 INFO L933 BasicCegarLoop]: 414 mSDtfsCounter, 1768 mSDsluCounter, 5073 mSDsCounter, 0 mSdLazyCounter, 2225 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1768 SdHoareTripleChecker+Valid, 5487 SdHoareTripleChecker+Invalid, 2324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 2225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-22 19:20:32,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1768 Valid, 5487 Invalid, 2324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 2225 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-22 19:20:32,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2021-11-22 19:20:32,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 729. [2021-11-22 19:20:32,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 729 states, 706 states have (on average 1.1288951841359773) internal successors, (797), 728 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:32,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 797 transitions. [2021-11-22 19:20:32,306 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 797 transitions. Word has length 103 [2021-11-22 19:20:32,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:20:32,306 INFO L470 AbstractCegarLoop]: Abstraction has 729 states and 797 transitions. [2021-11-22 19:20:32,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.681818181818182) internal successors, (103), 22 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:32,307 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 797 transitions. [2021-11-22 19:20:32,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-22 19:20:32,307 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:20:32,308 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:20:32,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-11-22 19:20:32,308 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:20:32,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:20:32,308 INFO L85 PathProgramCache]: Analyzing trace with hash 2104579152, now seen corresponding path program 1 times [2021-11-22 19:20:32,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:20:32,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582141531] [2021-11-22 19:20:32,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:20:32,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:20:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:20:32,503 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:20:32,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:20:32,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582141531] [2021-11-22 19:20:32,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582141531] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 19:20:32,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929266767] [2021-11-22 19:20:32,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:20:32,504 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 19:20:32,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 19:20:32,505 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 19:20:32,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-22 19:20:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:20:33,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 2821 conjuncts, 84 conjunts are in the unsatisfiable core [2021-11-22 19:20:33,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 19:20:33,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 19:20:33,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-22 19:20:33,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-11-22 19:20:33,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2021-11-22 19:20:33,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2021-11-22 19:20:33,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2021-11-22 19:20:33,736 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-22 19:20:33,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 21 [2021-11-22 19:20:33,907 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 19:20:33,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 19:20:34,026 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4690 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_memset_impl_~sp~0#1.base| v_ArrVal_4690) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|) (+ 8 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 0))) is different from false [2021-11-22 19:20:34,043 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4690 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_memset_impl_~s#1.base| v_ArrVal_4690) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|) (+ 8 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 0))) is different from false [2021-11-22 19:20:34,052 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4690 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base| v_ArrVal_4690) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|) (+ 8 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 0))) is different from false [2021-11-22 19:20:34,133 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4690 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_4690) |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|) (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 8)) 0))) is different from false [2021-11-22 19:20:34,150 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_4690 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_4690) |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|) (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 8)) 0))) (= (mod |c_ULTIMATE.start_assume_abort_if_not_~cond#1| 256) 0)) is different from false [2021-11-22 19:20:34,157 WARN L838 $PredicateComparison]: unable to prove that (or (= (mod |c_ULTIMATE.start_aws_byte_buf_is_valid_#res#1| 256) 0) (forall ((v_ArrVal_4690 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_4690) |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|) (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 8)) 0)))) is different from false [2021-11-22 19:20:34,326 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 19:20:34,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2021-11-22 19:20:34,332 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 19:20:34,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 42 [2021-11-22 19:20:34,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2021-11-22 19:20:34,442 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 7 not checked. [2021-11-22 19:20:34,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929266767] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 19:20:34,442 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 19:20:34,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 23, 23] total 46 [2021-11-22 19:20:34,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905831516] [2021-11-22 19:20:34,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 19:20:34,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2021-11-22 19:20:34,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:20:34,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-11-22 19:20:34,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1401, Unknown=6, NotChecked=486, Total=2070 [2021-11-22 19:20:34,444 INFO L87 Difference]: Start difference. First operand 729 states and 797 transitions. Second operand has 46 states, 46 states have (on average 6.456521739130435) internal successors, (297), 46 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:38,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:20:38,809 INFO L93 Difference]: Finished difference Result 1833 states and 2014 transitions. [2021-11-22 19:20:38,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-11-22 19:20:38,810 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 6.456521739130435) internal successors, (297), 46 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2021-11-22 19:20:38,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:20:38,812 INFO L225 Difference]: With dead ends: 1833 [2021-11-22 19:20:38,812 INFO L226 Difference]: Without dead ends: 1611 [2021-11-22 19:20:38,815 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 181 SyntacticMatches, 5 SemanticMatches, 135 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 5289 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1656, Invalid=15391, Unknown=7, NotChecked=1578, Total=18632 [2021-11-22 19:20:38,816 INFO L933 BasicCegarLoop]: 561 mSDtfsCounter, 1962 mSDsluCounter, 11240 mSDsCounter, 0 mSdLazyCounter, 3676 mSolverCounterSat, 448 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1962 SdHoareTripleChecker+Valid, 11801 SdHoareTripleChecker+Invalid, 10375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 448 IncrementalHoareTripleChecker+Valid, 3676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6251 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-22 19:20:38,816 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1962 Valid, 11801 Invalid, 10375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [448 Valid, 3676 Invalid, 0 Unknown, 6251 Unchecked, 1.9s Time] [2021-11-22 19:20:38,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2021-11-22 19:20:38,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 734. [2021-11-22 19:20:38,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 711 states have (on average 1.1293952180028128) internal successors, (803), 733 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:38,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 803 transitions. [2021-11-22 19:20:38,853 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 803 transitions. Word has length 104 [2021-11-22 19:20:38,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:20:38,854 INFO L470 AbstractCegarLoop]: Abstraction has 734 states and 803 transitions. [2021-11-22 19:20:38,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 6.456521739130435) internal successors, (297), 46 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:38,854 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 803 transitions. [2021-11-22 19:20:38,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-22 19:20:38,855 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:20:38,855 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:20:38,878 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-22 19:20:39,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 19:20:39,071 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:20:39,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:20:39,072 INFO L85 PathProgramCache]: Analyzing trace with hash -550588137, now seen corresponding path program 1 times [2021-11-22 19:20:39,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:20:39,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780793136] [2021-11-22 19:20:39,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:20:39,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:20:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:20:39,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:20:39,632 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:20:39,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780793136] [2021-11-22 19:20:39,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780793136] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:20:39,632 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:20:39,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-22 19:20:39,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146717825] [2021-11-22 19:20:39,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:20:39,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-22 19:20:39,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:20:39,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-22 19:20:39,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2021-11-22 19:20:39,633 INFO L87 Difference]: Start difference. First operand 734 states and 803 transitions. Second operand has 17 states, 17 states have (on average 6.176470588235294) internal successors, (105), 17 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:42,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:20:42,069 INFO L93 Difference]: Finished difference Result 2064 states and 2270 transitions. [2021-11-22 19:20:42,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-22 19:20:42,070 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.176470588235294) internal successors, (105), 17 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2021-11-22 19:20:42,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:20:42,072 INFO L225 Difference]: With dead ends: 2064 [2021-11-22 19:20:42,072 INFO L226 Difference]: Without dead ends: 1834 [2021-11-22 19:20:42,073 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=311, Invalid=1171, Unknown=0, NotChecked=0, Total=1482 [2021-11-22 19:20:42,073 INFO L933 BasicCegarLoop]: 546 mSDtfsCounter, 3348 mSDsluCounter, 4809 mSDsCounter, 0 mSdLazyCounter, 1800 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3348 SdHoareTripleChecker+Valid, 5355 SdHoareTripleChecker+Invalid, 1841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-22 19:20:42,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3348 Valid, 5355 Invalid, 1841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1800 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-22 19:20:42,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1834 states. [2021-11-22 19:20:42,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1834 to 771. [2021-11-22 19:20:42,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 748 states have (on average 1.1283422459893049) internal successors, (844), 770 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:42,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 844 transitions. [2021-11-22 19:20:42,113 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 844 transitions. Word has length 105 [2021-11-22 19:20:42,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:20:42,113 INFO L470 AbstractCegarLoop]: Abstraction has 771 states and 844 transitions. [2021-11-22 19:20:42,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.176470588235294) internal successors, (105), 17 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:42,114 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 844 transitions. [2021-11-22 19:20:42,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-22 19:20:42,115 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:20:42,115 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:20:42,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-11-22 19:20:42,116 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:20:42,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:20:42,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1070772497, now seen corresponding path program 1 times [2021-11-22 19:20:42,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:20:42,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687207024] [2021-11-22 19:20:42,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:20:42,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:20:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:20:43,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:20:43,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:20:43,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687207024] [2021-11-22 19:20:43,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687207024] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:20:43,092 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:20:43,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-11-22 19:20:43,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767634633] [2021-11-22 19:20:43,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:20:43,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-22 19:20:43,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:20:43,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-22 19:20:43,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=619, Unknown=0, NotChecked=0, Total=702 [2021-11-22 19:20:43,093 INFO L87 Difference]: Start difference. First operand 771 states and 844 transitions. Second operand has 27 states, 27 states have (on average 3.888888888888889) internal successors, (105), 27 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:50,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:20:50,693 INFO L93 Difference]: Finished difference Result 2423 states and 2642 transitions. [2021-11-22 19:20:50,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2021-11-22 19:20:50,694 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 3.888888888888889) internal successors, (105), 27 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2021-11-22 19:20:50,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:20:50,724 INFO L225 Difference]: With dead ends: 2423 [2021-11-22 19:20:50,725 INFO L226 Difference]: Without dead ends: 2421 [2021-11-22 19:20:50,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10236 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=2618, Invalid=25104, Unknown=0, NotChecked=0, Total=27722 [2021-11-22 19:20:50,727 INFO L933 BasicCegarLoop]: 669 mSDtfsCounter, 4002 mSDsluCounter, 8930 mSDsCounter, 0 mSdLazyCounter, 5178 mSolverCounterSat, 953 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4002 SdHoareTripleChecker+Valid, 9599 SdHoareTripleChecker+Invalid, 6131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 953 IncrementalHoareTripleChecker+Valid, 5178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-22 19:20:50,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4002 Valid, 9599 Invalid, 6131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [953 Valid, 5178 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-22 19:20:50,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2421 states. [2021-11-22 19:20:50,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2421 to 832. [2021-11-22 19:20:50,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 809 states have (on average 1.1236093943139678) internal successors, (909), 831 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:50,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 909 transitions. [2021-11-22 19:20:50,806 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 909 transitions. Word has length 105 [2021-11-22 19:20:50,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:20:50,806 INFO L470 AbstractCegarLoop]: Abstraction has 832 states and 909 transitions. [2021-11-22 19:20:50,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.888888888888889) internal successors, (105), 27 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:50,806 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 909 transitions. [2021-11-22 19:20:50,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-22 19:20:50,823 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:20:50,823 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:20:50,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-11-22 19:20:50,824 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:20:50,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:20:50,824 INFO L85 PathProgramCache]: Analyzing trace with hash 782976556, now seen corresponding path program 1 times [2021-11-22 19:20:50,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:20:50,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122177975] [2021-11-22 19:20:50,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:20:50,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:20:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:20:51,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:20:51,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:20:51,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122177975] [2021-11-22 19:20:51,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122177975] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:20:51,198 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:20:51,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-22 19:20:51,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889268082] [2021-11-22 19:20:51,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:20:51,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-22 19:20:51,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:20:51,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-22 19:20:51,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-22 19:20:51,199 INFO L87 Difference]: Start difference. First operand 832 states and 909 transitions. Second operand has 8 states, 8 states have (on average 13.25) internal successors, (106), 8 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:51,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:20:51,864 INFO L93 Difference]: Finished difference Result 1484 states and 1623 transitions. [2021-11-22 19:20:51,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-22 19:20:51,864 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 8 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-11-22 19:20:51,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:20:51,866 INFO L225 Difference]: With dead ends: 1484 [2021-11-22 19:20:51,866 INFO L226 Difference]: Without dead ends: 1245 [2021-11-22 19:20:51,867 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2021-11-22 19:20:51,868 INFO L933 BasicCegarLoop]: 567 mSDtfsCounter, 548 mSDsluCounter, 1677 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 2244 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-22 19:20:51,868 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [548 Valid, 2244 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-22 19:20:51,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2021-11-22 19:20:51,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 832. [2021-11-22 19:20:51,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 809 states have (on average 1.118665018541409) internal successors, (905), 831 states have internal predecessors, (905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:51,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 905 transitions. [2021-11-22 19:20:51,912 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 905 transitions. Word has length 106 [2021-11-22 19:20:51,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:20:51,912 INFO L470 AbstractCegarLoop]: Abstraction has 832 states and 905 transitions. [2021-11-22 19:20:51,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 8 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:20:51,912 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 905 transitions. [2021-11-22 19:20:51,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-22 19:20:51,940 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:20:51,940 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:20:51,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-11-22 19:20:51,940 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:20:51,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:20:51,941 INFO L85 PathProgramCache]: Analyzing trace with hash 648963050, now seen corresponding path program 1 times [2021-11-22 19:20:51,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:20:51,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731822777] [2021-11-22 19:20:51,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:20:51,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:20:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:20:56,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:20:56,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:20:56,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731822777] [2021-11-22 19:20:56,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731822777] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:20:56,621 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:20:56,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-11-22 19:20:56,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430542315] [2021-11-22 19:20:56,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:20:56,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-22 19:20:56,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:20:56,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-22 19:20:56,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=451, Unknown=1, NotChecked=0, Total=506 [2021-11-22 19:20:56,622 INFO L87 Difference]: Start difference. First operand 832 states and 905 transitions. Second operand has 23 states, 23 states have (on average 4.608695652173913) internal successors, (106), 23 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:21:00,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 19:21:01,895 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 19:21:07,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:21:07,306 INFO L93 Difference]: Finished difference Result 1417 states and 1548 transitions. [2021-11-22 19:21:07,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-22 19:21:07,307 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.608695652173913) internal successors, (106), 23 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-11-22 19:21:07,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:21:07,308 INFO L225 Difference]: With dead ends: 1417 [2021-11-22 19:21:07,308 INFO L226 Difference]: Without dead ends: 1240 [2021-11-22 19:21:07,309 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=409, Invalid=2242, Unknown=1, NotChecked=0, Total=2652 [2021-11-22 19:21:07,309 INFO L933 BasicCegarLoop]: 470 mSDtfsCounter, 1228 mSDsluCounter, 5943 mSDsCounter, 0 mSdLazyCounter, 2354 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1228 SdHoareTripleChecker+Valid, 6413 SdHoareTripleChecker+Invalid, 2463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 2354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-11-22 19:21:07,309 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1228 Valid, 6413 Invalid, 2463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 2354 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2021-11-22 19:21:07,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2021-11-22 19:21:07,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 826. [2021-11-22 19:21:07,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 803 states have (on average 1.1195516811955168) internal successors, (899), 825 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:21:07,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 899 transitions. [2021-11-22 19:21:07,348 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 899 transitions. Word has length 106 [2021-11-22 19:21:07,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:21:07,348 INFO L470 AbstractCegarLoop]: Abstraction has 826 states and 899 transitions. [2021-11-22 19:21:07,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.608695652173913) internal successors, (106), 23 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:21:07,348 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 899 transitions. [2021-11-22 19:21:07,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-22 19:21:07,349 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:21:07,350 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:21:07,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-11-22 19:21:07,350 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:21:07,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:21:07,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1111602028, now seen corresponding path program 1 times [2021-11-22 19:21:07,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:21:07,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414315755] [2021-11-22 19:21:07,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:21:07,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:21:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:21:07,548 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:21:07,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:21:07,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414315755] [2021-11-22 19:21:07,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414315755] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 19:21:07,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960760539] [2021-11-22 19:21:07,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:21:07,549 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 19:21:07,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 19:21:07,550 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 19:21:07,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-22 19:21:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:21:08,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 2889 conjuncts, 84 conjunts are in the unsatisfiable core [2021-11-22 19:21:08,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 19:21:08,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 19:21:08,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-11-22 19:21:08,424 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-22 19:21:08,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 23 [2021-11-22 19:21:08,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-11-22 19:21:08,476 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-22 19:21:08,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 27 [2021-11-22 19:21:08,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2021-11-22 19:21:08,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2021-11-22 19:21:08,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2021-11-22 19:21:08,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2021-11-22 19:21:08,858 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-22 19:21:08,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 25 [2021-11-22 19:21:08,957 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 19:21:08,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 19:21:09,098 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5428 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base| v_ArrVal_5428) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|))) (or (not (= (mod (select .cse0 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|) 18446744073709551616) 0)) (not (= (mod (select .cse0 (+ 16 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 18446744073709551616) 0))))) is different from false [2021-11-22 19:21:09,147 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5428 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_memset_impl_~s#1.base| v_ArrVal_5428) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|))) (or (not (= 0 (mod (select .cse0 (+ 16 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 18446744073709551616))) (not (= (mod (select .cse0 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|) 18446744073709551616) 0))))) is different from false [2021-11-22 19:21:09,165 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5428 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base| v_ArrVal_5428) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|))) (or (not (= (mod (select .cse0 (+ 16 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 18446744073709551616) 0)) (not (= (mod (select .cse0 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|) 18446744073709551616) 0))))) is different from false [2021-11-22 19:21:09,347 WARN L838 $PredicateComparison]: unable to prove that (or |c_ULTIMATE.start_aws_byte_buf_is_valid_#t~short676#1| (forall ((v_ArrVal_5428 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base| v_ArrVal_5428) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|))) (or (not (= (mod (select .cse0 (+ 16 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 18446744073709551616) 0)) (not (= (mod (select .cse0 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|) 18446744073709551616) 0)))))) is different from false [2021-11-22 19:21:09,357 WARN L838 $PredicateComparison]: unable to prove that (or (= (mod (select (select |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.base|) (+ 16 |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.offset|)) 18446744073709551616) 0) (forall ((v_ArrVal_5428 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base| v_ArrVal_5428) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|))) (or (not (= (mod (select .cse0 (+ 16 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 18446744073709551616) 0)) (not (= (mod (select .cse0 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|) 18446744073709551616) 0)))))) is different from false [2021-11-22 19:21:09,368 WARN L838 $PredicateComparison]: unable to prove that (or (= (mod (select (select |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|) (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 16)) 18446744073709551616) 0) (forall ((v_ArrVal_5428 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_5428) |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|))) (or (not (= 0 (mod (select .cse0 (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 16)) 18446744073709551616))) (not (= (mod (select .cse0 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset|) 18446744073709551616) 0)))))) is different from false [2021-11-22 19:21:09,387 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5423 (Array Int Int)) (v_ArrVal_5428 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_save_byte_from_array_~storage#1.base| v_ArrVal_5423))) (let ((.cse0 (select (store .cse2 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_5428) |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|)) (.cse1 (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 16))) (or (not (= (mod (select .cse0 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset|) 18446744073709551616) 0)) (not (= (mod (select .cse0 .cse1) 18446744073709551616) 0)) (= (mod (select (select .cse2 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|) .cse1) 18446744073709551616) 0))))) is different from false [2021-11-22 19:21:09,416 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5423 (Array Int Int)) (|ULTIMATE.start_save_byte_from_array_~storage#1.base| Int) (v_ArrVal_5428 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |ULTIMATE.start_save_byte_from_array_~storage#1.base| v_ArrVal_5423))) (let ((.cse0 (select (store .cse2 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_5428) |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|)) (.cse1 (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 16))) (or (not (= (mod (select .cse0 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset|) 18446744073709551616) 0)) (not (= (mod (select .cse0 .cse1) 18446744073709551616) 0)) (= (mod (select (select .cse2 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|) .cse1) 18446744073709551616) 0))))) is different from false [2021-11-22 19:21:09,461 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5420 (Array Int Int)) (v_ArrVal_5423 (Array Int Int)) (|ULTIMATE.start_save_byte_from_array_~storage#1.base| Int) (v_ArrVal_5428 (Array Int Int))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_5420) |ULTIMATE.start_save_byte_from_array_~storage#1.base| v_ArrVal_5423))) (let ((.cse0 (select (store .cse2 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_5428) |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|)) (.cse1 (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 16))) (or (not (= (mod (select .cse0 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset|) 18446744073709551616) 0)) (not (= (mod (select .cse0 .cse1) 18446744073709551616) 0)) (= (mod (select (select .cse2 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|) .cse1) 18446744073709551616) 0))))) is different from false [2021-11-22 19:21:09,592 WARN L838 $PredicateComparison]: unable to prove that (or |c_ULTIMATE.start_aws_byte_buf_is_valid_#t~short685#1| (forall ((v_ArrVal_5420 (Array Int Int)) (v_ArrVal_5423 (Array Int Int)) (|ULTIMATE.start_save_byte_from_array_~storage#1.base| Int) (v_ArrVal_5428 (Array Int Int))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_5420) |ULTIMATE.start_save_byte_from_array_~storage#1.base| v_ArrVal_5423))) (let ((.cse0 (select (store .cse2 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_5428) |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|)) (.cse1 (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 16))) (or (not (= (mod (select .cse0 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset|) 18446744073709551616) 0)) (not (= (mod (select .cse0 .cse1) 18446744073709551616) 0)) (= (mod (select (select .cse2 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|) .cse1) 18446744073709551616) 0)))))) is different from false [2021-11-22 19:21:09,645 INFO L354 Elim1Store]: treesize reduction 10, result has 71.4 percent of original size [2021-11-22 19:21:09,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1367 treesize of output 1335 [2021-11-22 19:21:09,669 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-22 19:21:09,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1347 treesize of output 1251 [2021-11-22 19:21:09,753 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-22 19:21:09,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1251 treesize of output 1187 [2021-11-22 19:21:09,774 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-22 19:21:09,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1187 treesize of output 1155 [2021-11-22 19:21:10,177 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 9 not checked. [2021-11-22 19:21:10,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960760539] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 19:21:10,177 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 19:21:10,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 15, 18] total 38 [2021-11-22 19:21:10,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038772797] [2021-11-22 19:21:10,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 19:21:10,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-11-22 19:21:10,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:21:10,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-11-22 19:21:10,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=675, Unknown=10, NotChecked=610, Total=1406 [2021-11-22 19:21:10,179 INFO L87 Difference]: Start difference. First operand 826 states and 899 transitions. Second operand has 38 states, 38 states have (on average 7.447368421052632) internal successors, (283), 38 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:21:10,392 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 0) (not |c_ULTIMATE.start_aws_byte_buf_is_valid_#t~short678#1|) (not (= |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|)) (forall ((v_ArrVal_5420 (Array Int Int)) (v_ArrVal_5423 (Array Int Int)) (|ULTIMATE.start_save_byte_from_array_~storage#1.base| Int) (v_ArrVal_5428 (Array Int Int))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_5420) |ULTIMATE.start_save_byte_from_array_~storage#1.base| v_ArrVal_5423))) (let ((.cse0 (select (store .cse2 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_5428) |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|)) (.cse1 (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 16))) (or (not (= (mod (select .cse0 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset|) 18446744073709551616) 0)) (not (= (mod (select .cse0 .cse1) 18446744073709551616) 0)) (= (mod (select (select .cse2 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|) .cse1) 18446744073709551616) 0))))) (not (= (mod (select (select |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|) |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset|) 18446744073709551616) 0)) (= |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.offset|) (not |c_ULTIMATE.start_aws_byte_buf_is_valid_#t~short676#1|) (= |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base| |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.base|) (let ((.cse3 (select |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.base|))) (or (not (= (mod (select .cse3 (+ 16 |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.offset|)) 18446744073709551616) 0)) (not (= 0 (mod (select .cse3 |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.offset|) 18446744073709551616)))))) is different from false [2021-11-22 19:21:15,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:21:15,248 INFO L93 Difference]: Finished difference Result 1693 states and 1835 transitions. [2021-11-22 19:21:15,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-11-22 19:21:15,249 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 7.447368421052632) internal successors, (283), 38 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2021-11-22 19:21:15,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:21:15,250 INFO L225 Difference]: With dead ends: 1693 [2021-11-22 19:21:15,251 INFO L226 Difference]: Without dead ends: 1470 [2021-11-22 19:21:15,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 197 SyntacticMatches, 8 SemanticMatches, 116 ConstructedPredicates, 11 IntricatePredicates, 0 DeprecatedPredicates, 3461 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1593, Invalid=9782, Unknown=11, NotChecked=2420, Total=13806 [2021-11-22 19:21:15,253 INFO L933 BasicCegarLoop]: 547 mSDtfsCounter, 2780 mSDsluCounter, 6474 mSDsCounter, 0 mSdLazyCounter, 3720 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2780 SdHoareTripleChecker+Valid, 7021 SdHoareTripleChecker+Invalid, 12510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 3720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8567 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-22 19:21:15,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2780 Valid, 7021 Invalid, 12510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 3720 Invalid, 0 Unknown, 8567 Unchecked, 2.3s Time] [2021-11-22 19:21:15,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1470 states. [2021-11-22 19:21:15,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1470 to 854. [2021-11-22 19:21:15,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 854 states, 831 states have (on average 1.1167268351383874) internal successors, (928), 853 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:21:15,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 928 transitions. [2021-11-22 19:21:15,302 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 928 transitions. Word has length 107 [2021-11-22 19:21:15,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:21:15,302 INFO L470 AbstractCegarLoop]: Abstraction has 854 states and 928 transitions. [2021-11-22 19:21:15,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 7.447368421052632) internal successors, (283), 38 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:21:15,302 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 928 transitions. [2021-11-22 19:21:15,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-22 19:21:15,303 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:21:15,303 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:21:15,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-22 19:21:15,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-11-22 19:21:15,523 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:21:15,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:21:15,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1190984899, now seen corresponding path program 1 times [2021-11-22 19:21:15,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:21:15,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207149042] [2021-11-22 19:21:15,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:21:15,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:21:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:21:16,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:21:16,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:21:16,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207149042] [2021-11-22 19:21:16,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207149042] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:21:16,685 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:21:16,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-11-22 19:21:16,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653853922] [2021-11-22 19:21:16,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:21:16,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-22 19:21:16,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:21:16,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-22 19:21:16,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=545, Unknown=0, NotChecked=0, Total=600 [2021-11-22 19:21:16,689 INFO L87 Difference]: Start difference. First operand 854 states and 928 transitions. Second operand has 25 states, 25 states have (on average 4.32) internal successors, (108), 25 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:21:26,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:21:26,409 INFO L93 Difference]: Finished difference Result 2176 states and 2374 transitions. [2021-11-22 19:21:26,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-11-22 19:21:26,410 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 4.32) internal successors, (108), 25 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2021-11-22 19:21:26,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:21:26,413 INFO L225 Difference]: With dead ends: 2176 [2021-11-22 19:21:26,413 INFO L226 Difference]: Without dead ends: 2174 [2021-11-22 19:21:26,415 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5331 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=1748, Invalid=14254, Unknown=0, NotChecked=0, Total=16002 [2021-11-22 19:21:26,415 INFO L933 BasicCegarLoop]: 375 mSDtfsCounter, 4212 mSDsluCounter, 6833 mSDsCounter, 0 mSdLazyCounter, 3779 mSolverCounterSat, 728 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4212 SdHoareTripleChecker+Valid, 7208 SdHoareTripleChecker+Invalid, 4507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 728 IncrementalHoareTripleChecker+Valid, 3779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-22 19:21:26,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4212 Valid, 7208 Invalid, 4507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [728 Valid, 3779 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-22 19:21:26,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2174 states. [2021-11-22 19:21:26,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2174 to 854. [2021-11-22 19:21:26,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 854 states, 831 states have (on average 1.1167268351383874) internal successors, (928), 853 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:21:26,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 928 transitions. [2021-11-22 19:21:26,484 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 928 transitions. Word has length 108 [2021-11-22 19:21:26,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:21:26,485 INFO L470 AbstractCegarLoop]: Abstraction has 854 states and 928 transitions. [2021-11-22 19:21:26,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.32) internal successors, (108), 25 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:21:26,485 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 928 transitions. [2021-11-22 19:21:26,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-22 19:21:26,486 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:21:26,486 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:21:26,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-11-22 19:21:26,487 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:21:26,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:21:26,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1963169600, now seen corresponding path program 1 times [2021-11-22 19:21:26,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:21:26,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876196732] [2021-11-22 19:21:26,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:21:26,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:21:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:21:26,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:21:26,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:21:26,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876196732] [2021-11-22 19:21:26,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876196732] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:21:26,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:21:26,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-22 19:21:26,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307533032] [2021-11-22 19:21:26,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:21:26,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-22 19:21:26,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:21:26,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-22 19:21:26,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-22 19:21:26,994 INFO L87 Difference]: Start difference. First operand 854 states and 928 transitions. Second operand has 13 states, 13 states have (on average 8.307692307692308) internal successors, (108), 13 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:21:27,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:21:27,905 INFO L93 Difference]: Finished difference Result 1387 states and 1517 transitions. [2021-11-22 19:21:27,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 19:21:27,906 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.307692307692308) internal successors, (108), 13 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2021-11-22 19:21:27,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:21:27,907 INFO L225 Difference]: With dead ends: 1387 [2021-11-22 19:21:27,907 INFO L226 Difference]: Without dead ends: 1018 [2021-11-22 19:21:27,907 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2021-11-22 19:21:27,908 INFO L933 BasicCegarLoop]: 499 mSDtfsCounter, 767 mSDsluCounter, 2397 mSDsCounter, 0 mSdLazyCounter, 1005 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 2896 SdHoareTripleChecker+Invalid, 1030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-22 19:21:27,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [767 Valid, 2896 Invalid, 1030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1005 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-22 19:21:27,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1018 states. [2021-11-22 19:21:27,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1018 to 803. [2021-11-22 19:21:27,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 780 states have (on average 1.1166666666666667) internal successors, (871), 802 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:21:27,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 871 transitions. [2021-11-22 19:21:27,953 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 871 transitions. Word has length 108 [2021-11-22 19:21:27,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:21:27,953 INFO L470 AbstractCegarLoop]: Abstraction has 803 states and 871 transitions. [2021-11-22 19:21:27,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.307692307692308) internal successors, (108), 13 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:21:27,953 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 871 transitions. [2021-11-22 19:21:27,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-22 19:21:27,954 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:21:27,954 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:21:27,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-11-22 19:21:27,954 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:21:27,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:21:27,955 INFO L85 PathProgramCache]: Analyzing trace with hash -657685245, now seen corresponding path program 1 times [2021-11-22 19:21:27,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:21:27,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768818094] [2021-11-22 19:21:27,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:21:27,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:21:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:21:34,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:21:34,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:21:34,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768818094] [2021-11-22 19:21:34,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768818094] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:21:34,291 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:21:34,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-11-22 19:21:34,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436351291] [2021-11-22 19:21:34,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:21:34,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-22 19:21:34,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:21:34,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-22 19:21:34,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=560, Unknown=0, NotChecked=0, Total=650 [2021-11-22 19:21:34,293 INFO L87 Difference]: Start difference. First operand 803 states and 871 transitions. Second operand has 26 states, 26 states have (on average 4.1923076923076925) internal successors, (109), 26 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:21:37,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 19:21:41,975 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 19:21:45,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:21:45,275 INFO L93 Difference]: Finished difference Result 1579 states and 1722 transitions. [2021-11-22 19:21:45,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-22 19:21:45,276 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.1923076923076925) internal successors, (109), 26 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2021-11-22 19:21:45,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:21:45,277 INFO L225 Difference]: With dead ends: 1579 [2021-11-22 19:21:45,277 INFO L226 Difference]: Without dead ends: 1402 [2021-11-22 19:21:45,278 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1316 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=913, Invalid=4199, Unknown=0, NotChecked=0, Total=5112 [2021-11-22 19:21:45,281 INFO L933 BasicCegarLoop]: 435 mSDtfsCounter, 2235 mSDsluCounter, 5986 mSDsCounter, 0 mSdLazyCounter, 2596 mSolverCounterSat, 111 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2235 SdHoareTripleChecker+Valid, 6421 SdHoareTripleChecker+Invalid, 2709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 2596 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2021-11-22 19:21:45,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2235 Valid, 6421 Invalid, 2709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 2596 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2021-11-22 19:21:45,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2021-11-22 19:21:45,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 771. [2021-11-22 19:21:45,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 748 states have (on average 1.1203208556149733) internal successors, (838), 770 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:21:45,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 838 transitions. [2021-11-22 19:21:45,330 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 838 transitions. Word has length 109 [2021-11-22 19:21:45,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:21:45,330 INFO L470 AbstractCegarLoop]: Abstraction has 771 states and 838 transitions. [2021-11-22 19:21:45,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.1923076923076925) internal successors, (109), 26 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:21:45,331 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 838 transitions. [2021-11-22 19:21:45,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-22 19:21:45,332 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:21:45,332 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:21:45,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-11-22 19:21:45,332 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:21:45,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:21:45,333 INFO L85 PathProgramCache]: Analyzing trace with hash 2021180940, now seen corresponding path program 1 times [2021-11-22 19:21:45,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:21:45,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450623788] [2021-11-22 19:21:45,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:21:45,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:21:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:21:45,562 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:21:45,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:21:45,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450623788] [2021-11-22 19:21:45,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450623788] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 19:21:45,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720747262] [2021-11-22 19:21:45,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:21:45,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 19:21:45,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 19:21:45,564 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 19:21:45,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-22 19:21:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:21:46,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 2905 conjuncts, 111 conjunts are in the unsatisfiable core [2021-11-22 19:21:46,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 19:21:46,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 19:21:46,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-22 19:21:46,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 24 [2021-11-22 19:21:46,626 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-22 19:21:46,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28 [2021-11-22 19:21:46,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:21:46,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-11-22 19:21:46,681 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-22 19:21:46,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 32 [2021-11-22 19:21:47,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 24 [2021-11-22 19:21:47,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 24 [2021-11-22 19:21:47,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 24 [2021-11-22 19:21:47,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 24 [2021-11-22 19:21:47,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 24 [2021-11-22 19:21:47,211 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-22 19:21:47,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 28 [2021-11-22 19:21:47,362 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-22 19:21:47,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 19:21:47,454 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6064 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base| v_ArrVal_6064) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|))) (<= (mod (select .cse0 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|) 18446744073709551616) (mod (select .cse0 (+ 16 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 18446744073709551616)))) is different from false [2021-11-22 19:21:47,490 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6064 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_memset_impl_~s#1.base| v_ArrVal_6064) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|))) (<= (mod (select .cse0 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|) 18446744073709551616) (mod (select .cse0 (+ 16 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 18446744073709551616)))) is different from false [2021-11-22 19:21:47,504 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6064 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base| v_ArrVal_6064) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|))) (<= (mod (select .cse0 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|) 18446744073709551616) (mod (select .cse0 (+ 16 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 18446744073709551616)))) is different from false [2021-11-22 19:21:47,794 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6058 (Array Int Int)) (v_ArrVal_6064 (Array Int Int))) (let ((.cse1 (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 16)) (.cse2 (store |c_#memory_int| |c_ULTIMATE.start_save_byte_from_array_~storage#1.base| v_ArrVal_6058))) (or (let ((.cse0 (select (store .cse2 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_6064) |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|))) (<= (mod (select .cse0 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset|) 18446744073709551616) (mod (select .cse0 .cse1) 18446744073709551616))) (let ((.cse3 (select .cse2 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|))) (< (mod (select .cse3 .cse1) 18446744073709551616) (mod (select .cse3 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset|) 18446744073709551616)))))) is different from false [2021-11-22 19:21:47,819 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6058 (Array Int Int)) (|ULTIMATE.start_save_byte_from_array_~storage#1.base| Int) (v_ArrVal_6064 (Array Int Int))) (let ((.cse1 (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 16)) (.cse2 (store |c_#memory_int| |ULTIMATE.start_save_byte_from_array_~storage#1.base| v_ArrVal_6058))) (or (let ((.cse0 (select (store .cse2 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_6064) |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|))) (<= (mod (select .cse0 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset|) 18446744073709551616) (mod (select .cse0 .cse1) 18446744073709551616))) (let ((.cse3 (select .cse2 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|))) (< (mod (select .cse3 .cse1) 18446744073709551616) (mod (select .cse3 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset|) 18446744073709551616)))))) is different from false [2021-11-22 19:21:47,860 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6055 (Array Int Int)) (v_ArrVal_6058 (Array Int Int)) (|ULTIMATE.start_save_byte_from_array_~storage#1.base| Int) (v_ArrVal_6064 (Array Int Int))) (let ((.cse1 (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 16)) (.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_6055) |ULTIMATE.start_save_byte_from_array_~storage#1.base| v_ArrVal_6058))) (or (let ((.cse0 (select .cse2 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|))) (< (mod (select .cse0 .cse1) 18446744073709551616) (mod (select .cse0 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset|) 18446744073709551616))) (let ((.cse3 (select (store .cse2 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_6064) |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|))) (<= (mod (select .cse3 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset|) 18446744073709551616) (mod (select .cse3 .cse1) 18446744073709551616)))))) is different from false [2021-11-22 19:21:48,402 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6054 Int) (v_ArrVal_6055 (Array Int Int)) (v_ArrVal_6058 (Array Int Int)) (|ULTIMATE.start_save_byte_from_array_~storage#1.base| Int) (v_ArrVal_6064 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base|) (+ |c_ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 8) v_ArrVal_6054)))) (let ((.cse1 (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 16)) (.cse4 (store (store .cse2 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_6055) |ULTIMATE.start_save_byte_from_array_~storage#1.base| v_ArrVal_6058))) (or (let ((.cse0 (select .cse2 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|))) (< (mod (select .cse0 .cse1) 18446744073709551616) (mod (select .cse0 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset|) 18446744073709551616))) (let ((.cse3 (select .cse4 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|))) (< (mod (select .cse3 .cse1) 18446744073709551616) (mod (select .cse3 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset|) 18446744073709551616))) (let ((.cse5 (select (store .cse4 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_6064) |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|))) (<= (mod (select .cse5 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset|) 18446744073709551616) (mod (select .cse5 .cse1) 18446744073709551616))))))) is different from false [2021-11-22 19:21:48,533 INFO L354 Elim1Store]: treesize reduction 50, result has 51.5 percent of original size [2021-11-22 19:21:48,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 206 treesize of output 198 [2021-11-22 19:21:48,578 INFO L354 Elim1Store]: treesize reduction 12, result has 69.2 percent of original size [2021-11-22 19:21:48,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1041 treesize of output 985 [2021-11-22 19:21:48,590 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-22 19:21:48,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 985 treesize of output 889 [2021-11-22 19:21:48,601 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-22 19:21:48,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 889 treesize of output 817 [2021-11-22 19:21:48,621 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-22 19:21:48,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 817 treesize of output 781 [2021-11-22 19:21:49,249 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 11 not checked. [2021-11-22 19:21:49,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720747262] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 19:21:49,249 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 19:21:49,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 19, 22] total 45 [2021-11-22 19:21:49,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535246430] [2021-11-22 19:21:49,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 19:21:49,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2021-11-22 19:21:49,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:21:49,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-11-22 19:21:49,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1245, Unknown=12, NotChecked=546, Total=1980 [2021-11-22 19:21:49,251 INFO L87 Difference]: Start difference. First operand 771 states and 838 transitions. Second operand has 45 states, 45 states have (on average 6.555555555555555) internal successors, (295), 45 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:21:49,488 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse7 (select |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.base|))) (let ((.cse9 (mod (select .cse7 |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.offset|) 18446744073709551616)) (.cse8 (mod (select .cse7 (+ 16 |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.offset|)) 18446744073709551616))) (let ((.cse5 (<= .cse9 .cse8)) (.cse4 (< .cse8 .cse9))) (and (= |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 0) (= |c_ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|) (not (= |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|)) (forall ((v_ArrVal_6055 (Array Int Int)) (v_ArrVal_6058 (Array Int Int)) (|ULTIMATE.start_save_byte_from_array_~storage#1.base| Int) (v_ArrVal_6064 (Array Int Int))) (let ((.cse1 (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 16)) (.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_6055) |ULTIMATE.start_save_byte_from_array_~storage#1.base| v_ArrVal_6058))) (or (let ((.cse0 (select .cse2 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|))) (< (mod (select .cse0 .cse1) 18446744073709551616) (mod (select .cse0 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset|) 18446744073709551616))) (let ((.cse3 (select (store .cse2 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_6064) |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|))) (<= (mod (select .cse3 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset|) 18446744073709551616) (mod (select .cse3 .cse1) 18446744073709551616)))))) |c_ULTIMATE.start_aws_byte_buf_is_valid_#t~short682#1| |c_ULTIMATE.start_aws_byte_buf_is_valid_#t~short686#1| (or (and (not |c_ULTIMATE.start_aws_byte_buf_is_valid_#t~short682#1|) .cse4) (and |c_ULTIMATE.start_aws_byte_buf_is_valid_#t~short682#1| .cse5)) (let ((.cse6 (select |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|))) (<= (mod (select .cse6 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset|) 18446744073709551616) (mod (select .cse6 (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 16)) 18446744073709551616))) (= |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.offset|) (= |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.offset| 0) (or (and |c_ULTIMATE.start_aws_byte_buf_is_valid_#t~short686#1| .cse5) (and (not |c_ULTIMATE.start_aws_byte_buf_is_valid_#t~short686#1|) .cse4)) (= |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base| |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.base|) (= |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| |c_ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset|) (<= (mod (select .cse7 0) 18446744073709551616) (mod (select .cse7 16) 18446744073709551616)))))) is different from false [2021-11-22 19:21:49,492 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 0) (not (= |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|)) (forall ((v_ArrVal_6055 (Array Int Int)) (v_ArrVal_6058 (Array Int Int)) (|ULTIMATE.start_save_byte_from_array_~storage#1.base| Int) (v_ArrVal_6064 (Array Int Int))) (let ((.cse1 (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 16)) (.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_6055) |ULTIMATE.start_save_byte_from_array_~storage#1.base| v_ArrVal_6058))) (or (let ((.cse0 (select .cse2 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|))) (< (mod (select .cse0 .cse1) 18446744073709551616) (mod (select .cse0 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset|) 18446744073709551616))) (let ((.cse3 (select (store .cse2 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#output~0#1.base| v_ArrVal_6064) |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|))) (<= (mod (select .cse3 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset|) 18446744073709551616) (mod (select .cse3 .cse1) 18446744073709551616)))))) (let ((.cse4 (select |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.base|))) (<= (mod (select .cse4 |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset|) 18446744073709551616) (mod (select .cse4 (+ |c_ULTIMATE.start_aws_byte_buf_advance_harness_~#buf~3#1.offset| 16)) 18446744073709551616)))) is different from false [2021-11-22 19:21:52,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:21:52,282 INFO L93 Difference]: Finished difference Result 1373 states and 1502 transitions. [2021-11-22 19:21:52,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-22 19:21:52,283 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 6.555555555555555) internal successors, (295), 45 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2021-11-22 19:21:52,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:21:52,284 INFO L225 Difference]: With dead ends: 1373 [2021-11-22 19:21:52,284 INFO L226 Difference]: Without dead ends: 1143 [2021-11-22 19:21:52,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 185 SyntacticMatches, 7 SemanticMatches, 74 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 1317 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=506, Invalid=3912, Unknown=40, NotChecked=1242, Total=5700 [2021-11-22 19:21:52,285 INFO L933 BasicCegarLoop]: 659 mSDtfsCounter, 1049 mSDsluCounter, 11092 mSDsCounter, 0 mSdLazyCounter, 1536 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1049 SdHoareTripleChecker+Valid, 11751 SdHoareTripleChecker+Invalid, 6775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5201 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-22 19:21:52,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1049 Valid, 11751 Invalid, 6775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1536 Invalid, 0 Unknown, 5201 Unchecked, 1.3s Time] [2021-11-22 19:21:52,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2021-11-22 19:21:52,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 810. [2021-11-22 19:21:52,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 810 states, 787 states have (on average 1.1156289707750953) internal successors, (878), 809 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:21:52,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 878 transitions. [2021-11-22 19:21:52,341 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 878 transitions. Word has length 109 [2021-11-22 19:21:52,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:21:52,341 INFO L470 AbstractCegarLoop]: Abstraction has 810 states and 878 transitions. [2021-11-22 19:21:52,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 6.555555555555555) internal successors, (295), 45 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:21:52,341 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 878 transitions. [2021-11-22 19:21:52,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-22 19:21:52,342 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:21:52,342 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:21:52,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-22 19:21:52,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 19:21:52,547 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:21:52,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:21:52,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1438492936, now seen corresponding path program 1 times [2021-11-22 19:21:52,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:21:52,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096753724] [2021-11-22 19:21:52,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:21:52,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:21:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:21:52,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:21:52,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:21:52,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096753724] [2021-11-22 19:21:52,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096753724] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:21:52,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:21:52,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-22 19:21:52,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196399738] [2021-11-22 19:21:52,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:21:52,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-22 19:21:52,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:21:52,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-22 19:21:52,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-22 19:21:52,801 INFO L87 Difference]: Start difference. First operand 810 states and 878 transitions. Second operand has 10 states, 10 states have (on average 11.1) internal successors, (111), 10 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:21:53,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:21:53,669 INFO L93 Difference]: Finished difference Result 1698 states and 1843 transitions. [2021-11-22 19:21:53,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-22 19:21:53,670 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.1) internal successors, (111), 10 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2021-11-22 19:21:53,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:21:53,671 INFO L225 Difference]: With dead ends: 1698 [2021-11-22 19:21:53,671 INFO L226 Difference]: Without dead ends: 1231 [2021-11-22 19:21:53,671 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=197, Invalid=453, Unknown=0, NotChecked=0, Total=650 [2021-11-22 19:21:53,672 INFO L933 BasicCegarLoop]: 670 mSDtfsCounter, 1467 mSDsluCounter, 2874 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1467 SdHoareTripleChecker+Valid, 3544 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-22 19:21:53,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1467 Valid, 3544 Invalid, 916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-22 19:21:53,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1231 states. [2021-11-22 19:21:53,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1231 to 832. [2021-11-22 19:21:53,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 809 states have (on average 1.1124845488257107) internal successors, (900), 831 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:21:53,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 900 transitions. [2021-11-22 19:21:53,722 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 900 transitions. Word has length 111 [2021-11-22 19:21:53,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:21:53,723 INFO L470 AbstractCegarLoop]: Abstraction has 832 states and 900 transitions. [2021-11-22 19:21:53,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.1) internal successors, (111), 10 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:21:53,723 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 900 transitions. [2021-11-22 19:21:53,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-22 19:21:53,724 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:21:53,724 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:21:53,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-11-22 19:21:53,724 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:21:53,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:21:53,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1575419299, now seen corresponding path program 1 times [2021-11-22 19:21:53,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:21:53,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445385754] [2021-11-22 19:21:53,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:21:53,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:21:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:21:54,008 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:21:54,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:21:54,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445385754] [2021-11-22 19:21:54,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445385754] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 19:21:54,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657995152] [2021-11-22 19:21:54,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:21:54,009 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 19:21:54,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 19:21:54,010 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 19:21:54,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-22 19:21:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:21:54,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 2934 conjuncts, 136 conjunts are in the unsatisfiable core [2021-11-22 19:21:54,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 19:21:54,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-22 19:21:54,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-22 19:21:55,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-11-22 19:21:55,116 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-22 19:21:55,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 23 [2021-11-22 19:21:55,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2021-11-22 19:21:55,161 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 19:21:55,168 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-22 19:21:55,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 29 [2021-11-22 19:21:56,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2021-11-22 19:21:56,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-22 19:21:56,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2021-11-22 19:21:56,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-22 19:21:56,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2021-11-22 19:21:56,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-22 19:21:56,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2021-11-22 19:21:56,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-22 19:21:56,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2021-11-22 19:21:56,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-22 19:21:56,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2021-11-22 19:21:56,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-22 19:21:56,211 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-22 19:21:56,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 43 [2021-11-22 19:21:56,220 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-22 19:21:56,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2021-11-22 19:21:56,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2021-11-22 19:21:56,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2021-11-22 19:21:56,523 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-22 19:21:56,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 19:21:56,731 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_6418 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_memset_impl_~sp~0#1.base| v_ArrVal_6418) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|) (+ 8 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 0))) (forall ((v_ArrVal_6419 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_memset_impl_~sp~0#1.base| v_ArrVal_6419) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|) (+ 8 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 0)))) is different from false [2021-11-22 19:21:56,795 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_6418 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_memset_impl_~s#1.base| v_ArrVal_6418) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|) (+ 8 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 0))) (forall ((v_ArrVal_6419 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_memset_impl_~s#1.base| v_ArrVal_6419) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|) (+ 8 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 0)))) is different from false [2021-11-22 19:21:56,809 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_6418 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_memset_impl_~s#1.base| v_ArrVal_6418) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|) (+ 8 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 0))) (forall ((v_ArrVal_6419 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_memset_impl_~s#1.base| v_ArrVal_6419) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|) (+ 8 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 0))) (= (mod |c_ULTIMATE.start_assume_abort_if_not_~cond#1| 256) 0)) is different from false [2021-11-22 19:21:56,838 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_6419 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base| v_ArrVal_6419) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|) (+ 8 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 0))) (forall ((v_ArrVal_6418 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base| v_ArrVal_6418) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|) (+ 8 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 0)))) is different from false [2021-11-22 19:21:56,906 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_6419 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base| v_ArrVal_6419) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|) (+ 8 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 0))) (forall ((v_ArrVal_6418 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base| v_ArrVal_6418) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|) (+ 8 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 0))) (= (mod |c_ULTIMATE.start_assume_abort_if_not_~cond#1| 256) 0)) is different from false [2021-11-22 19:21:56,913 WARN L838 $PredicateComparison]: unable to prove that (or (= (mod |c_ULTIMATE.start_aws_byte_buf_is_valid_#res#1| 256) 0) (forall ((v_ArrVal_6419 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base| v_ArrVal_6419) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|) (+ 8 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 0))) (forall ((v_ArrVal_6418 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base| v_ArrVal_6418) |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.base|) (+ 8 |c_ULTIMATE.start_aws_byte_buf_advance_~buffer#1.offset|)) 0)))) is different from false [2021-11-22 19:21:57,101 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 19:21:57,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 51 [2021-11-22 19:21:57,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 47 [2021-11-22 19:21:57,293 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 13 not checked. [2021-11-22 19:21:57,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657995152] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 19:21:57,293 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 19:21:57,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 27, 22] total 53 [2021-11-22 19:21:57,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531960271] [2021-11-22 19:21:57,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 19:21:57,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2021-11-22 19:21:57,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:21:57,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-11-22 19:21:57,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=2020, Unknown=6, NotChecked=570, Total=2756 [2021-11-22 19:21:57,295 INFO L87 Difference]: Start difference. First operand 832 states and 900 transitions. Second operand has 53 states, 53 states have (on average 5.90566037735849) internal successors, (313), 53 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:06,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:22:06,652 INFO L93 Difference]: Finished difference Result 2060 states and 2248 transitions. [2021-11-22 19:22:06,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2021-11-22 19:22:06,653 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 5.90566037735849) internal successors, (313), 53 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-11-22 19:22:06,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:22:06,654 INFO L225 Difference]: With dead ends: 2060 [2021-11-22 19:22:06,654 INFO L226 Difference]: Without dead ends: 1816 [2021-11-22 19:22:06,656 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 206 SyntacticMatches, 27 SemanticMatches, 198 ConstructedPredicates, 6 IntricatePredicates, 1 DeprecatedPredicates, 14901 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=3169, Invalid=34291, Unknown=6, NotChecked=2334, Total=39800 [2021-11-22 19:22:06,657 INFO L933 BasicCegarLoop]: 426 mSDtfsCounter, 4078 mSDsluCounter, 10762 mSDsCounter, 0 mSdLazyCounter, 4859 mSolverCounterSat, 777 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4078 SdHoareTripleChecker+Valid, 11188 SdHoareTripleChecker+Invalid, 11688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 777 IncrementalHoareTripleChecker+Valid, 4859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6052 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-22 19:22:06,657 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4078 Valid, 11188 Invalid, 11688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [777 Valid, 4859 Invalid, 0 Unknown, 6052 Unchecked, 2.6s Time] [2021-11-22 19:22:06,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1816 states. [2021-11-22 19:22:06,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1816 to 840. [2021-11-22 19:22:06,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 817 states have (on average 1.1126070991432069) internal successors, (909), 839 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:06,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 909 transitions. [2021-11-22 19:22:06,717 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 909 transitions. Word has length 113 [2021-11-22 19:22:06,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:22:06,718 INFO L470 AbstractCegarLoop]: Abstraction has 840 states and 909 transitions. [2021-11-22 19:22:06,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 5.90566037735849) internal successors, (313), 53 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:06,718 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 909 transitions. [2021-11-22 19:22:06,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-22 19:22:06,719 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:22:06,719 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:22:06,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-22 19:22:06,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 19:22:06,935 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:22:06,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:22:06,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1272758799, now seen corresponding path program 1 times [2021-11-22 19:22:06,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:22:06,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016027394] [2021-11-22 19:22:06,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:22:06,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:22:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:22:07,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:22:07,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:22:07,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016027394] [2021-11-22 19:22:07,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016027394] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:22:07,377 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:22:07,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-11-22 19:22:07,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999085973] [2021-11-22 19:22:07,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:22:07,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-22 19:22:07,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:22:07,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-22 19:22:07,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-11-22 19:22:07,379 INFO L87 Difference]: Start difference. First operand 840 states and 909 transitions. Second operand has 15 states, 15 states have (on average 7.6) internal successors, (114), 15 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:08,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:22:08,520 INFO L93 Difference]: Finished difference Result 1407 states and 1523 transitions. [2021-11-22 19:22:08,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-22 19:22:08,521 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.6) internal successors, (114), 15 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-11-22 19:22:08,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:22:08,522 INFO L225 Difference]: With dead ends: 1407 [2021-11-22 19:22:08,522 INFO L226 Difference]: Without dead ends: 1042 [2021-11-22 19:22:08,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2021-11-22 19:22:08,523 INFO L933 BasicCegarLoop]: 497 mSDtfsCounter, 1824 mSDsluCounter, 2762 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1824 SdHoareTripleChecker+Valid, 3259 SdHoareTripleChecker+Invalid, 1429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-22 19:22:08,523 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1824 Valid, 3259 Invalid, 1429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1346 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-22 19:22:08,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2021-11-22 19:22:08,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 827. [2021-11-22 19:22:08,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 827 states, 804 states have (on average 1.1119402985074627) internal successors, (894), 826 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:08,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 894 transitions. [2021-11-22 19:22:08,578 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 894 transitions. Word has length 114 [2021-11-22 19:22:08,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:22:08,578 INFO L470 AbstractCegarLoop]: Abstraction has 827 states and 894 transitions. [2021-11-22 19:22:08,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.6) internal successors, (114), 15 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:08,578 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 894 transitions. [2021-11-22 19:22:08,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-22 19:22:08,579 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:22:08,579 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:22:08,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-11-22 19:22:08,580 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:22:08,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:22:08,580 INFO L85 PathProgramCache]: Analyzing trace with hash -849112077, now seen corresponding path program 1 times [2021-11-22 19:22:08,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:22:08,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814704321] [2021-11-22 19:22:08,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:22:08,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:22:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:22:08,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:22:08,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:22:08,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814704321] [2021-11-22 19:22:08,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814704321] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:22:08,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:22:08,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-22 19:22:08,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913632522] [2021-11-22 19:22:08,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:22:08,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-22 19:22:08,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:22:08,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-22 19:22:08,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-22 19:22:08,930 INFO L87 Difference]: Start difference. First operand 827 states and 894 transitions. Second operand has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:10,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:22:10,001 INFO L93 Difference]: Finished difference Result 2442 states and 2654 transitions. [2021-11-22 19:22:10,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-22 19:22:10,002 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-11-22 19:22:10,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:22:10,004 INFO L225 Difference]: With dead ends: 2442 [2021-11-22 19:22:10,004 INFO L226 Difference]: Without dead ends: 2076 [2021-11-22 19:22:10,005 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=228, Invalid=702, Unknown=0, NotChecked=0, Total=930 [2021-11-22 19:22:10,005 INFO L933 BasicCegarLoop]: 384 mSDtfsCounter, 2564 mSDsluCounter, 1914 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2564 SdHoareTripleChecker+Valid, 2298 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-22 19:22:10,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2564 Valid, 2298 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-22 19:22:10,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2076 states. [2021-11-22 19:22:10,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2076 to 857. [2021-11-22 19:22:10,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 834 states have (on average 1.1103117505995204) internal successors, (926), 856 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:10,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 926 transitions. [2021-11-22 19:22:10,085 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 926 transitions. Word has length 114 [2021-11-22 19:22:10,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:22:10,086 INFO L470 AbstractCegarLoop]: Abstraction has 857 states and 926 transitions. [2021-11-22 19:22:10,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:10,086 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 926 transitions. [2021-11-22 19:22:10,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-22 19:22:10,087 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:22:10,087 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:22:10,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-11-22 19:22:10,087 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:22:10,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:22:10,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1732621067, now seen corresponding path program 1 times [2021-11-22 19:22:10,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:22:10,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973777602] [2021-11-22 19:22:10,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:22:10,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:22:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:22:10,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:22:10,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:22:10,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973777602] [2021-11-22 19:22:10,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973777602] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:22:10,684 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:22:10,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-22 19:22:10,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729918878] [2021-11-22 19:22:10,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:22:10,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-22 19:22:10,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:22:10,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-22 19:22:10,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-11-22 19:22:10,685 INFO L87 Difference]: Start difference. First operand 857 states and 926 transitions. Second operand has 13 states, 13 states have (on average 8.76923076923077) internal successors, (114), 13 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:11,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:22:11,869 INFO L93 Difference]: Finished difference Result 1618 states and 1750 transitions. [2021-11-22 19:22:11,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-22 19:22:11,869 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.76923076923077) internal successors, (114), 13 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-11-22 19:22:11,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:22:11,870 INFO L225 Difference]: With dead ends: 1618 [2021-11-22 19:22:11,870 INFO L226 Difference]: Without dead ends: 1285 [2021-11-22 19:22:11,871 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=318, Invalid=804, Unknown=0, NotChecked=0, Total=1122 [2021-11-22 19:22:11,871 INFO L933 BasicCegarLoop]: 736 mSDtfsCounter, 1657 mSDsluCounter, 4333 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1657 SdHoareTripleChecker+Valid, 5069 SdHoareTripleChecker+Invalid, 1183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-22 19:22:11,871 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1657 Valid, 5069 Invalid, 1183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1120 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-22 19:22:11,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2021-11-22 19:22:11,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 844. [2021-11-22 19:22:11,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 821 states have (on average 1.1108404384896469) internal successors, (912), 843 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:11,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 912 transitions. [2021-11-22 19:22:11,954 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 912 transitions. Word has length 114 [2021-11-22 19:22:11,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:22:11,955 INFO L470 AbstractCegarLoop]: Abstraction has 844 states and 912 transitions. [2021-11-22 19:22:11,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.76923076923077) internal successors, (114), 13 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:11,955 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 912 transitions. [2021-11-22 19:22:11,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-22 19:22:11,956 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:22:11,956 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:22:11,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-11-22 19:22:11,956 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:22:11,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:22:11,956 INFO L85 PathProgramCache]: Analyzing trace with hash 597210973, now seen corresponding path program 1 times [2021-11-22 19:22:11,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:22:11,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227120788] [2021-11-22 19:22:11,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:22:11,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:22:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:22:13,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:22:13,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:22:13,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227120788] [2021-11-22 19:22:13,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227120788] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:22:13,154 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:22:13,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-11-22 19:22:13,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319753723] [2021-11-22 19:22:13,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:22:13,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-22 19:22:13,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:22:13,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-22 19:22:13,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2021-11-22 19:22:13,155 INFO L87 Difference]: Start difference. First operand 844 states and 912 transitions. Second operand has 23 states, 23 states have (on average 5.086956521739131) internal successors, (117), 23 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:17,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:22:17,709 INFO L93 Difference]: Finished difference Result 1445 states and 1567 transitions. [2021-11-22 19:22:17,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-22 19:22:17,710 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 5.086956521739131) internal successors, (117), 23 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-11-22 19:22:17,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:22:17,711 INFO L225 Difference]: With dead ends: 1445 [2021-11-22 19:22:17,711 INFO L226 Difference]: Without dead ends: 1443 [2021-11-22 19:22:17,711 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=366, Invalid=1614, Unknown=0, NotChecked=0, Total=1980 [2021-11-22 19:22:17,711 INFO L933 BasicCegarLoop]: 417 mSDtfsCounter, 3093 mSDsluCounter, 5479 mSDsCounter, 0 mSdLazyCounter, 2732 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3093 SdHoareTripleChecker+Valid, 5896 SdHoareTripleChecker+Invalid, 2832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 2732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-22 19:22:17,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3093 Valid, 5896 Invalid, 2832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 2732 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-22 19:22:17,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2021-11-22 19:22:17,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 886. [2021-11-22 19:22:17,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 863 states have (on average 1.1135573580533025) internal successors, (961), 885 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:17,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 961 transitions. [2021-11-22 19:22:17,775 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 961 transitions. Word has length 117 [2021-11-22 19:22:17,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:22:17,776 INFO L470 AbstractCegarLoop]: Abstraction has 886 states and 961 transitions. [2021-11-22 19:22:17,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.086956521739131) internal successors, (117), 23 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:17,776 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 961 transitions. [2021-11-22 19:22:17,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-22 19:22:17,777 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:22:17,777 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:22:17,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-11-22 19:22:17,777 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:22:17,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:22:17,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1443221266, now seen corresponding path program 1 times [2021-11-22 19:22:17,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:22:17,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097214620] [2021-11-22 19:22:17,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:22:17,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:22:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:22:18,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:22:18,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:22:18,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097214620] [2021-11-22 19:22:18,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097214620] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:22:18,261 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:22:18,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-22 19:22:18,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770462522] [2021-11-22 19:22:18,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:22:18,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-22 19:22:18,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:22:18,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-22 19:22:18,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-22 19:22:18,263 INFO L87 Difference]: Start difference. First operand 886 states and 961 transitions. Second operand has 11 states, 11 states have (on average 10.636363636363637) internal successors, (117), 11 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:19,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:22:19,026 INFO L93 Difference]: Finished difference Result 1262 states and 1372 transitions. [2021-11-22 19:22:19,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-22 19:22:19,026 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.636363636363637) internal successors, (117), 11 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-11-22 19:22:19,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:22:19,027 INFO L225 Difference]: With dead ends: 1262 [2021-11-22 19:22:19,027 INFO L226 Difference]: Without dead ends: 1104 [2021-11-22 19:22:19,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2021-11-22 19:22:19,028 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 1469 mSDsluCounter, 1907 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1469 SdHoareTripleChecker+Valid, 2238 SdHoareTripleChecker+Invalid, 670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-22 19:22:19,029 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1469 Valid, 2238 Invalid, 670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-22 19:22:19,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2021-11-22 19:22:19,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 935. [2021-11-22 19:22:19,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 935 states, 912 states have (on average 1.111842105263158) internal successors, (1014), 934 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:19,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1014 transitions. [2021-11-22 19:22:19,116 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1014 transitions. Word has length 117 [2021-11-22 19:22:19,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:22:19,116 INFO L470 AbstractCegarLoop]: Abstraction has 935 states and 1014 transitions. [2021-11-22 19:22:19,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.636363636363637) internal successors, (117), 11 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:19,116 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1014 transitions. [2021-11-22 19:22:19,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-22 19:22:19,117 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:22:19,117 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:22:19,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-11-22 19:22:19,117 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:22:19,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:22:19,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1701386704, now seen corresponding path program 1 times [2021-11-22 19:22:19,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:22:19,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468801436] [2021-11-22 19:22:19,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:22:19,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:22:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:22:19,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:22:19,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:22:19,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468801436] [2021-11-22 19:22:19,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468801436] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:22:19,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:22:19,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 19:22:19,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588708113] [2021-11-22 19:22:19,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:22:19,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 19:22:19,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:22:19,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 19:22:19,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-22 19:22:19,224 INFO L87 Difference]: Start difference. First operand 935 states and 1014 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 6 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:19,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:22:19,643 INFO L93 Difference]: Finished difference Result 1232 states and 1339 transitions. [2021-11-22 19:22:19,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 19:22:19,644 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 6 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-11-22 19:22:19,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:22:19,645 INFO L225 Difference]: With dead ends: 1232 [2021-11-22 19:22:19,645 INFO L226 Difference]: Without dead ends: 1070 [2021-11-22 19:22:19,645 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-22 19:22:19,645 INFO L933 BasicCegarLoop]: 349 mSDtfsCounter, 282 mSDsluCounter, 1092 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 1441 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 19:22:19,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [282 Valid, 1441 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 19:22:19,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2021-11-22 19:22:19,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 928. [2021-11-22 19:22:19,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 928 states, 905 states have (on average 1.10939226519337) internal successors, (1004), 927 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:19,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1004 transitions. [2021-11-22 19:22:19,779 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1004 transitions. Word has length 117 [2021-11-22 19:22:19,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:22:19,780 INFO L470 AbstractCegarLoop]: Abstraction has 928 states and 1004 transitions. [2021-11-22 19:22:19,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 6 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:19,781 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1004 transitions. [2021-11-22 19:22:19,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-22 19:22:19,782 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:22:19,782 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:22:19,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-11-22 19:22:19,782 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:22:19,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:22:19,783 INFO L85 PathProgramCache]: Analyzing trace with hash 10211084, now seen corresponding path program 1 times [2021-11-22 19:22:19,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:22:19,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793659101] [2021-11-22 19:22:19,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:22:19,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:22:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:22:19,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:22:19,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:22:19,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793659101] [2021-11-22 19:22:19,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793659101] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:22:19,961 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:22:19,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 19:22:19,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490255930] [2021-11-22 19:22:19,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:22:19,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 19:22:19,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:22:19,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 19:22:19,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-22 19:22:19,962 INFO L87 Difference]: Start difference. First operand 928 states and 1004 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 6 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:20,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:22:20,397 INFO L93 Difference]: Finished difference Result 1222 states and 1326 transitions. [2021-11-22 19:22:20,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 19:22:20,398 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 6 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-11-22 19:22:20,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:22:20,399 INFO L225 Difference]: With dead ends: 1222 [2021-11-22 19:22:20,399 INFO L226 Difference]: Without dead ends: 1070 [2021-11-22 19:22:20,399 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-22 19:22:20,400 INFO L933 BasicCegarLoop]: 348 mSDtfsCounter, 298 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 1414 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 19:22:20,400 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [298 Valid, 1414 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 19:22:20,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2021-11-22 19:22:20,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 928. [2021-11-22 19:22:20,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 928 states, 905 states have (on average 1.107182320441989) internal successors, (1002), 927 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:20,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1002 transitions. [2021-11-22 19:22:20,467 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1002 transitions. Word has length 117 [2021-11-22 19:22:20,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:22:20,468 INFO L470 AbstractCegarLoop]: Abstraction has 928 states and 1002 transitions. [2021-11-22 19:22:20,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 6 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:20,468 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1002 transitions. [2021-11-22 19:22:20,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-22 19:22:20,469 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:22:20,469 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:22:20,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-11-22 19:22:20,469 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:22:20,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:22:20,470 INFO L85 PathProgramCache]: Analyzing trace with hash 902455671, now seen corresponding path program 1 times [2021-11-22 19:22:20,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:22:20,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100763222] [2021-11-22 19:22:20,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:22:20,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:22:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:22:21,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:22:21,065 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:22:21,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100763222] [2021-11-22 19:22:21,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100763222] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:22:21,065 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:22:21,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-22 19:22:21,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375179982] [2021-11-22 19:22:21,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:22:21,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-22 19:22:21,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:22:21,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-22 19:22:21,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2021-11-22 19:22:21,069 INFO L87 Difference]: Start difference. First operand 928 states and 1002 transitions. Second operand has 19 states, 19 states have (on average 6.157894736842105) internal successors, (117), 19 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:25,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:22:25,797 INFO L93 Difference]: Finished difference Result 2617 states and 2837 transitions. [2021-11-22 19:22:25,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2021-11-22 19:22:25,797 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.157894736842105) internal successors, (117), 19 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-11-22 19:22:25,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:22:25,800 INFO L225 Difference]: With dead ends: 2617 [2021-11-22 19:22:25,800 INFO L226 Difference]: Without dead ends: 2615 [2021-11-22 19:22:25,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9437 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=2660, Invalid=21832, Unknown=0, NotChecked=0, Total=24492 [2021-11-22 19:22:25,803 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 6181 mSDsluCounter, 3838 mSDsCounter, 0 mSdLazyCounter, 2239 mSolverCounterSat, 941 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6181 SdHoareTripleChecker+Valid, 4163 SdHoareTripleChecker+Invalid, 3180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 941 IncrementalHoareTripleChecker+Valid, 2239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-22 19:22:25,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6181 Valid, 4163 Invalid, 3180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [941 Valid, 2239 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-22 19:22:25,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2615 states. [2021-11-22 19:22:25,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2615 to 973. [2021-11-22 19:22:25,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 973 states, 950 states have (on average 1.105263157894737) internal successors, (1050), 972 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:25,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 1050 transitions. [2021-11-22 19:22:25,882 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 1050 transitions. Word has length 117 [2021-11-22 19:22:25,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:22:25,882 INFO L470 AbstractCegarLoop]: Abstraction has 973 states and 1050 transitions. [2021-11-22 19:22:25,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.157894736842105) internal successors, (117), 19 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:25,882 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1050 transitions. [2021-11-22 19:22:25,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-22 19:22:25,883 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:22:25,883 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:22:25,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-11-22 19:22:25,884 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:22:25,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:22:25,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1336105661, now seen corresponding path program 1 times [2021-11-22 19:22:25,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:22:25,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262028959] [2021-11-22 19:22:25,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:22:25,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:22:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:22:25,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:22:25,979 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:22:25,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262028959] [2021-11-22 19:22:25,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262028959] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:22:25,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:22:25,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 19:22:25,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862571866] [2021-11-22 19:22:25,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:22:25,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 19:22:25,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:22:25,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 19:22:25,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 19:22:25,981 INFO L87 Difference]: Start difference. First operand 973 states and 1050 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:26,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:22:26,066 INFO L93 Difference]: Finished difference Result 1168 states and 1265 transitions. [2021-11-22 19:22:26,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 19:22:26,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2021-11-22 19:22:26,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:22:26,068 INFO L225 Difference]: With dead ends: 1168 [2021-11-22 19:22:26,068 INFO L226 Difference]: Without dead ends: 1067 [2021-11-22 19:22:26,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 19:22:26,069 INFO L933 BasicCegarLoop]: 380 mSDtfsCounter, 82 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 1136 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 19:22:26,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 1136 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 19:22:26,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2021-11-22 19:22:26,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 975. [2021-11-22 19:22:26,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 975 states, 952 states have (on average 1.1039915966386555) internal successors, (1051), 974 states have internal predecessors, (1051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:26,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1051 transitions. [2021-11-22 19:22:26,145 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1051 transitions. Word has length 118 [2021-11-22 19:22:26,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:22:26,145 INFO L470 AbstractCegarLoop]: Abstraction has 975 states and 1051 transitions. [2021-11-22 19:22:26,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:26,145 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1051 transitions. [2021-11-22 19:22:26,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-22 19:22:26,146 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:22:26,146 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:22:26,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-11-22 19:22:26,146 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:22:26,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:22:26,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1605726145, now seen corresponding path program 1 times [2021-11-22 19:22:26,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:22:26,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693081626] [2021-11-22 19:22:26,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:22:26,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:22:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:22:26,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:22:26,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:22:26,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693081626] [2021-11-22 19:22:26,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693081626] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:22:26,730 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:22:26,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-22 19:22:26,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841975655] [2021-11-22 19:22:26,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:22:26,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-22 19:22:26,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:22:26,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-22 19:22:26,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-22 19:22:26,731 INFO L87 Difference]: Start difference. First operand 975 states and 1051 transitions. Second operand has 12 states, 12 states have (on average 9.916666666666666) internal successors, (119), 12 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:27,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:22:27,917 INFO L93 Difference]: Finished difference Result 1311 states and 1414 transitions. [2021-11-22 19:22:27,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-22 19:22:27,918 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.916666666666666) internal successors, (119), 12 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-11-22 19:22:27,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:22:27,919 INFO L225 Difference]: With dead ends: 1311 [2021-11-22 19:22:27,919 INFO L226 Difference]: Without dead ends: 1309 [2021-11-22 19:22:27,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2021-11-22 19:22:27,920 INFO L933 BasicCegarLoop]: 371 mSDtfsCounter, 1631 mSDsluCounter, 2263 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1631 SdHoareTripleChecker+Valid, 2634 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-22 19:22:27,920 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1631 Valid, 2634 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 992 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-22 19:22:27,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2021-11-22 19:22:28,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 1116. [2021-11-22 19:22:28,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1093 states have (on average 1.1015553522415371) internal successors, (1204), 1115 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:28,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1204 transitions. [2021-11-22 19:22:28,005 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1204 transitions. Word has length 119 [2021-11-22 19:22:28,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:22:28,006 INFO L470 AbstractCegarLoop]: Abstraction has 1116 states and 1204 transitions. [2021-11-22 19:22:28,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.916666666666666) internal successors, (119), 12 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:28,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1204 transitions. [2021-11-22 19:22:28,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-22 19:22:28,007 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:22:28,007 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:22:28,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-11-22 19:22:28,007 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:22:28,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:22:28,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1530670821, now seen corresponding path program 1 times [2021-11-22 19:22:28,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:22:28,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144531971] [2021-11-22 19:22:28,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:22:28,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:22:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:22:28,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:22:28,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:22:28,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144531971] [2021-11-22 19:22:28,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144531971] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:22:28,312 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:22:28,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 19:22:28,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284972301] [2021-11-22 19:22:28,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:22:28,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 19:22:28,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:22:28,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 19:22:28,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 19:22:28,313 INFO L87 Difference]: Start difference. First operand 1116 states and 1204 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:28,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:22:28,690 INFO L93 Difference]: Finished difference Result 1393 states and 1501 transitions. [2021-11-22 19:22:28,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 19:22:28,690 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-11-22 19:22:28,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:22:28,691 INFO L225 Difference]: With dead ends: 1393 [2021-11-22 19:22:28,691 INFO L226 Difference]: Without dead ends: 1268 [2021-11-22 19:22:28,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-22 19:22:28,698 INFO L933 BasicCegarLoop]: 352 mSDtfsCounter, 205 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 1157 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 19:22:28,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 1157 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 19:22:28,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2021-11-22 19:22:28,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 1108. [2021-11-22 19:22:28,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1108 states, 1085 states have (on average 1.0986175115207373) internal successors, (1192), 1107 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:28,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 1192 transitions. [2021-11-22 19:22:28,782 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 1192 transitions. Word has length 119 [2021-11-22 19:22:28,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:22:28,783 INFO L470 AbstractCegarLoop]: Abstraction has 1108 states and 1192 transitions. [2021-11-22 19:22:28,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:28,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1192 transitions. [2021-11-22 19:22:28,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-22 19:22:28,784 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:22:28,784 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:22:28,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-11-22 19:22:28,784 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:22:28,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:22:28,786 INFO L85 PathProgramCache]: Analyzing trace with hash 962927780, now seen corresponding path program 1 times [2021-11-22 19:22:28,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:22:28,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709658072] [2021-11-22 19:22:28,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:22:28,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:22:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:22:30,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:22:30,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:22:30,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709658072] [2021-11-22 19:22:30,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709658072] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:22:30,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:22:30,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-11-22 19:22:30,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722539326] [2021-11-22 19:22:30,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:22:30,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-22 19:22:30,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:22:30,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-22 19:22:30,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2021-11-22 19:22:30,069 INFO L87 Difference]: Start difference. First operand 1108 states and 1192 transitions. Second operand has 20 states, 20 states have (on average 6.0) internal successors, (120), 20 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:40,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:22:40,359 INFO L93 Difference]: Finished difference Result 2280 states and 2458 transitions. [2021-11-22 19:22:40,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-22 19:22:40,359 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.0) internal successors, (120), 20 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-11-22 19:22:40,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:22:40,361 INFO L225 Difference]: With dead ends: 2280 [2021-11-22 19:22:40,361 INFO L226 Difference]: Without dead ends: 2125 [2021-11-22 19:22:40,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1290 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=820, Invalid=3736, Unknown=0, NotChecked=0, Total=4556 [2021-11-22 19:22:40,363 INFO L933 BasicCegarLoop]: 485 mSDtfsCounter, 3639 mSDsluCounter, 4452 mSDsCounter, 0 mSdLazyCounter, 2206 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3639 SdHoareTripleChecker+Valid, 4937 SdHoareTripleChecker+Invalid, 2384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 2206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-11-22 19:22:40,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3639 Valid, 4937 Invalid, 2384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 2206 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-11-22 19:22:40,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2125 states. [2021-11-22 19:22:40,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2125 to 1109. [2021-11-22 19:22:40,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1109 states, 1086 states have (on average 1.0966850828729282) internal successors, (1191), 1108 states have internal predecessors, (1191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:40,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 1191 transitions. [2021-11-22 19:22:40,458 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 1191 transitions. Word has length 120 [2021-11-22 19:22:40,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:22:40,459 INFO L470 AbstractCegarLoop]: Abstraction has 1109 states and 1191 transitions. [2021-11-22 19:22:40,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.0) internal successors, (120), 20 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:40,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1191 transitions. [2021-11-22 19:22:40,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-22 19:22:40,460 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:22:40,460 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:22:40,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-11-22 19:22:40,460 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:22:40,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:22:40,461 INFO L85 PathProgramCache]: Analyzing trace with hash -842510554, now seen corresponding path program 1 times [2021-11-22 19:22:40,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:22:40,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751715547] [2021-11-22 19:22:40,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:22:40,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:22:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:22:41,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:22:41,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:22:41,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751715547] [2021-11-22 19:22:41,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751715547] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:22:41,648 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:22:41,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-22 19:22:41,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775945531] [2021-11-22 19:22:41,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:22:41,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-22 19:22:41,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:22:41,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-22 19:22:41,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2021-11-22 19:22:41,650 INFO L87 Difference]: Start difference. First operand 1109 states and 1191 transitions. Second operand has 19 states, 19 states have (on average 6.315789473684211) internal successors, (120), 19 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:43,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:22:43,295 INFO L93 Difference]: Finished difference Result 1400 states and 1511 transitions. [2021-11-22 19:22:43,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-22 19:22:43,296 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.315789473684211) internal successors, (120), 19 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-11-22 19:22:43,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:22:43,297 INFO L225 Difference]: With dead ends: 1400 [2021-11-22 19:22:43,297 INFO L226 Difference]: Without dead ends: 1398 [2021-11-22 19:22:43,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=220, Invalid=902, Unknown=0, NotChecked=0, Total=1122 [2021-11-22 19:22:43,298 INFO L933 BasicCegarLoop]: 358 mSDtfsCounter, 1805 mSDsluCounter, 2855 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1805 SdHoareTripleChecker+Valid, 3213 SdHoareTripleChecker+Invalid, 1372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-22 19:22:43,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1805 Valid, 3213 Invalid, 1372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-22 19:22:43,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1398 states. [2021-11-22 19:22:43,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1398 to 1079. [2021-11-22 19:22:43,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1079 states, 1056 states have (on average 1.097537878787879) internal successors, (1159), 1078 states have internal predecessors, (1159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:43,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1159 transitions. [2021-11-22 19:22:43,391 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1159 transitions. Word has length 120 [2021-11-22 19:22:43,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:22:43,391 INFO L470 AbstractCegarLoop]: Abstraction has 1079 states and 1159 transitions. [2021-11-22 19:22:43,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.315789473684211) internal successors, (120), 19 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:43,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1159 transitions. [2021-11-22 19:22:43,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-22 19:22:43,392 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:22:43,393 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:22:43,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-11-22 19:22:43,393 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:22:43,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:22:43,393 INFO L85 PathProgramCache]: Analyzing trace with hash -593125468, now seen corresponding path program 1 times [2021-11-22 19:22:43,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:22:43,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249593177] [2021-11-22 19:22:43,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:22:43,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:22:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:22:44,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:22:44,226 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:22:44,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249593177] [2021-11-22 19:22:44,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249593177] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:22:44,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:22:44,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-11-22 19:22:44,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294891493] [2021-11-22 19:22:44,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:22:44,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-22 19:22:44,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:22:44,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-22 19:22:44,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2021-11-22 19:22:44,227 INFO L87 Difference]: Start difference. First operand 1079 states and 1159 transitions. Second operand has 24 states, 24 states have (on average 5.0) internal successors, (120), 24 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:50,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:22:50,207 INFO L93 Difference]: Finished difference Result 2160 states and 2333 transitions. [2021-11-22 19:22:50,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2021-11-22 19:22:50,208 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 5.0) internal successors, (120), 24 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-11-22 19:22:50,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:22:50,210 INFO L225 Difference]: With dead ends: 2160 [2021-11-22 19:22:50,210 INFO L226 Difference]: Without dead ends: 2158 [2021-11-22 19:22:50,213 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9840 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=2561, Invalid=24171, Unknown=0, NotChecked=0, Total=26732 [2021-11-22 19:22:50,213 INFO L933 BasicCegarLoop]: 591 mSDtfsCounter, 3344 mSDsluCounter, 7906 mSDsCounter, 0 mSdLazyCounter, 4241 mSolverCounterSat, 718 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3344 SdHoareTripleChecker+Valid, 8497 SdHoareTripleChecker+Invalid, 4959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 718 IncrementalHoareTripleChecker+Valid, 4241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-22 19:22:50,213 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3344 Valid, 8497 Invalid, 4959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [718 Valid, 4241 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-22 19:22:50,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2158 states. [2021-11-22 19:22:50,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2158 to 1077. [2021-11-22 19:22:50,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1077 states, 1055 states have (on average 1.0966824644549764) internal successors, (1157), 1076 states have internal predecessors, (1157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:50,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1157 transitions. [2021-11-22 19:22:50,307 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1157 transitions. Word has length 120 [2021-11-22 19:22:50,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:22:50,307 INFO L470 AbstractCegarLoop]: Abstraction has 1077 states and 1157 transitions. [2021-11-22 19:22:50,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.0) internal successors, (120), 24 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:50,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1157 transitions. [2021-11-22 19:22:50,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-22 19:22:50,308 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:22:50,308 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:22:50,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-11-22 19:22:50,309 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:22:50,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:22:50,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1209419327, now seen corresponding path program 1 times [2021-11-22 19:22:50,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:22:50,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113858935] [2021-11-22 19:22:50,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:22:50,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:22:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:22:50,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:22:50,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:22:50,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113858935] [2021-11-22 19:22:50,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113858935] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:22:50,842 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:22:50,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-11-22 19:22:50,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82062549] [2021-11-22 19:22:50,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:22:50,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-22 19:22:50,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:22:50,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-22 19:22:50,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-22 19:22:50,843 INFO L87 Difference]: Start difference. First operand 1077 states and 1157 transitions. Second operand has 14 states, 14 states have (on average 8.642857142857142) internal successors, (121), 14 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:52,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:22:52,217 INFO L93 Difference]: Finished difference Result 1466 states and 1582 transitions. [2021-11-22 19:22:52,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-22 19:22:52,217 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.642857142857142) internal successors, (121), 14 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2021-11-22 19:22:52,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:22:52,219 INFO L225 Difference]: With dead ends: 1466 [2021-11-22 19:22:52,219 INFO L226 Difference]: Without dead ends: 1464 [2021-11-22 19:22:52,219 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=187, Invalid=515, Unknown=0, NotChecked=0, Total=702 [2021-11-22 19:22:52,219 INFO L933 BasicCegarLoop]: 384 mSDtfsCounter, 1999 mSDsluCounter, 2909 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1999 SdHoareTripleChecker+Valid, 3293 SdHoareTripleChecker+Invalid, 930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-22 19:22:52,220 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1999 Valid, 3293 Invalid, 930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 852 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-22 19:22:52,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1464 states. [2021-11-22 19:22:52,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1464 to 1079. [2021-11-22 19:22:52,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1079 states, 1057 states have (on average 1.096499526963103) internal successors, (1159), 1078 states have internal predecessors, (1159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:52,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1159 transitions. [2021-11-22 19:22:52,306 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1159 transitions. Word has length 121 [2021-11-22 19:22:52,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:22:52,306 INFO L470 AbstractCegarLoop]: Abstraction has 1079 states and 1159 transitions. [2021-11-22 19:22:52,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.642857142857142) internal successors, (121), 14 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:52,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1159 transitions. [2021-11-22 19:22:52,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-22 19:22:52,308 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:22:52,308 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:22:52,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-11-22 19:22:52,308 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:22:52,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:22:52,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1085610467, now seen corresponding path program 1 times [2021-11-22 19:22:52,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:22:52,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651725575] [2021-11-22 19:22:52,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:22:52,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:22:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:22:52,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:22:52,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:22:52,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651725575] [2021-11-22 19:22:52,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651725575] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:22:52,746 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:22:52,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-22 19:22:52,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635189849] [2021-11-22 19:22:52,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:22:52,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-22 19:22:52,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:22:52,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-22 19:22:52,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-22 19:22:52,747 INFO L87 Difference]: Start difference. First operand 1079 states and 1159 transitions. Second operand has 12 states, 12 states have (on average 10.083333333333334) internal successors, (121), 12 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:53,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:22:53,583 INFO L93 Difference]: Finished difference Result 1704 states and 1832 transitions. [2021-11-22 19:22:53,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-22 19:22:53,584 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.083333333333334) internal successors, (121), 12 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2021-11-22 19:22:53,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:22:53,585 INFO L225 Difference]: With dead ends: 1704 [2021-11-22 19:22:53,585 INFO L226 Difference]: Without dead ends: 1360 [2021-11-22 19:22:53,586 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=244, Invalid=748, Unknown=0, NotChecked=0, Total=992 [2021-11-22 19:22:53,586 INFO L933 BasicCegarLoop]: 363 mSDtfsCounter, 1757 mSDsluCounter, 2200 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1757 SdHoareTripleChecker+Valid, 2563 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-22 19:22:53,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1757 Valid, 2563 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 725 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-22 19:22:53,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1360 states. [2021-11-22 19:22:53,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1360 to 970. [2021-11-22 19:22:53,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 970 states, 948 states have (on average 1.0938818565400843) internal successors, (1037), 969 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:53,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1037 transitions. [2021-11-22 19:22:53,670 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1037 transitions. Word has length 121 [2021-11-22 19:22:53,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:22:53,670 INFO L470 AbstractCegarLoop]: Abstraction has 970 states and 1037 transitions. [2021-11-22 19:22:53,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.083333333333334) internal successors, (121), 12 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:53,671 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1037 transitions. [2021-11-22 19:22:53,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-22 19:22:53,672 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:22:53,672 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:22:53,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-11-22 19:22:53,672 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:22:53,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:22:53,672 INFO L85 PathProgramCache]: Analyzing trace with hash 2096323016, now seen corresponding path program 1 times [2021-11-22 19:22:53,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:22:53,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122612107] [2021-11-22 19:22:53,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:22:53,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:22:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:22:54,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:22:54,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:22:54,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122612107] [2021-11-22 19:22:54,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122612107] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:22:54,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:22:54,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-11-22 19:22:54,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290772076] [2021-11-22 19:22:54,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:22:54,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-22 19:22:54,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:22:54,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-22 19:22:54,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2021-11-22 19:22:54,555 INFO L87 Difference]: Start difference. First operand 970 states and 1037 transitions. Second operand has 14 states, 14 states have (on average 8.714285714285714) internal successors, (122), 14 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:55,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:22:55,777 INFO L93 Difference]: Finished difference Result 1059 states and 1135 transitions. [2021-11-22 19:22:55,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-22 19:22:55,778 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.714285714285714) internal successors, (122), 14 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2021-11-22 19:22:55,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:22:55,779 INFO L225 Difference]: With dead ends: 1059 [2021-11-22 19:22:55,779 INFO L226 Difference]: Without dead ends: 1057 [2021-11-22 19:22:55,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=152, Invalid=448, Unknown=0, NotChecked=0, Total=600 [2021-11-22 19:22:55,779 INFO L933 BasicCegarLoop]: 346 mSDtfsCounter, 1648 mSDsluCounter, 1650 mSDsCounter, 0 mSdLazyCounter, 828 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1648 SdHoareTripleChecker+Valid, 1996 SdHoareTripleChecker+Invalid, 922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-22 19:22:55,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1648 Valid, 1996 Invalid, 922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 828 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-22 19:22:55,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2021-11-22 19:22:55,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 972. [2021-11-22 19:22:55,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 972 states, 950 states have (on average 1.0936842105263158) internal successors, (1039), 971 states have internal predecessors, (1039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:55,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1039 transitions. [2021-11-22 19:22:55,864 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1039 transitions. Word has length 122 [2021-11-22 19:22:55,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:22:55,865 INFO L470 AbstractCegarLoop]: Abstraction has 972 states and 1039 transitions. [2021-11-22 19:22:55,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.714285714285714) internal successors, (122), 14 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:55,865 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1039 transitions. [2021-11-22 19:22:55,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-22 19:22:55,866 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:22:55,866 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:22:55,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-11-22 19:22:55,866 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:22:55,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:22:55,867 INFO L85 PathProgramCache]: Analyzing trace with hash 2127875687, now seen corresponding path program 1 times [2021-11-22 19:22:55,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:22:55,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379384531] [2021-11-22 19:22:55,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:22:55,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:22:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:22:56,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:22:56,378 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:22:56,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379384531] [2021-11-22 19:22:56,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379384531] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:22:56,378 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:22:56,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-11-22 19:22:56,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483060194] [2021-11-22 19:22:56,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:22:56,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-22 19:22:56,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:22:56,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-22 19:22:56,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2021-11-22 19:22:56,379 INFO L87 Difference]: Start difference. First operand 972 states and 1039 transitions. Second operand has 15 states, 15 states have (on average 8.2) internal successors, (123), 15 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:58,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:22:58,453 INFO L93 Difference]: Finished difference Result 1395 states and 1502 transitions. [2021-11-22 19:22:58,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-22 19:22:58,453 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 8.2) internal successors, (123), 15 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-11-22 19:22:58,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:22:58,454 INFO L225 Difference]: With dead ends: 1395 [2021-11-22 19:22:58,454 INFO L226 Difference]: Without dead ends: 1269 [2021-11-22 19:22:58,455 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=217, Invalid=713, Unknown=0, NotChecked=0, Total=930 [2021-11-22 19:22:58,455 INFO L933 BasicCegarLoop]: 412 mSDtfsCounter, 1555 mSDsluCounter, 4190 mSDsCounter, 0 mSdLazyCounter, 1411 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1555 SdHoareTripleChecker+Valid, 4602 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-22 19:22:58,455 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1555 Valid, 4602 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1411 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-22 19:22:58,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2021-11-22 19:22:58,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 972. [2021-11-22 19:22:58,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 972 states, 950 states have (on average 1.0926315789473684) internal successors, (1038), 971 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:58,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1038 transitions. [2021-11-22 19:22:58,534 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1038 transitions. Word has length 123 [2021-11-22 19:22:58,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:22:58,534 INFO L470 AbstractCegarLoop]: Abstraction has 972 states and 1038 transitions. [2021-11-22 19:22:58,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.2) internal successors, (123), 15 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:22:58,534 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1038 transitions. [2021-11-22 19:22:58,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-22 19:22:58,535 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:22:58,535 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:22:58,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-11-22 19:22:58,536 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:22:58,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:22:58,536 INFO L85 PathProgramCache]: Analyzing trace with hash 322437353, now seen corresponding path program 1 times [2021-11-22 19:22:58,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:22:58,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042019808] [2021-11-22 19:22:58,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:22:58,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:22:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:22:59,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:22:59,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:22:59,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042019808] [2021-11-22 19:22:59,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042019808] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:22:59,830 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:22:59,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-22 19:22:59,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90148479] [2021-11-22 19:22:59,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:22:59,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-22 19:22:59,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:22:59,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-22 19:22:59,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-11-22 19:22:59,831 INFO L87 Difference]: Start difference. First operand 972 states and 1038 transitions. Second operand has 11 states, 11 states have (on average 11.181818181818182) internal successors, (123), 11 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:23:01,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:23:01,071 INFO L93 Difference]: Finished difference Result 1334 states and 1426 transitions. [2021-11-22 19:23:01,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-22 19:23:01,071 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.181818181818182) internal successors, (123), 11 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-11-22 19:23:01,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:23:01,073 INFO L225 Difference]: With dead ends: 1334 [2021-11-22 19:23:01,073 INFO L226 Difference]: Without dead ends: 1201 [2021-11-22 19:23:01,073 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=390, Unknown=0, NotChecked=0, Total=552 [2021-11-22 19:23:01,075 INFO L933 BasicCegarLoop]: 446 mSDtfsCounter, 1364 mSDsluCounter, 2052 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1364 SdHoareTripleChecker+Valid, 2498 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-22 19:23:01,075 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1364 Valid, 2498 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-22 19:23:01,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2021-11-22 19:23:01,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 946. [2021-11-22 19:23:01,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 946 states, 925 states have (on average 1.0886486486486486) internal successors, (1007), 945 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:23:01,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1007 transitions. [2021-11-22 19:23:01,164 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1007 transitions. Word has length 123 [2021-11-22 19:23:01,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:23:01,164 INFO L470 AbstractCegarLoop]: Abstraction has 946 states and 1007 transitions. [2021-11-22 19:23:01,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.181818181818182) internal successors, (123), 11 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:23:01,164 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1007 transitions. [2021-11-22 19:23:01,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-22 19:23:01,165 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:23:01,165 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:23:01,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-11-22 19:23:01,166 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:23:01,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:23:01,166 INFO L85 PathProgramCache]: Analyzing trace with hash 226903306, now seen corresponding path program 1 times [2021-11-22 19:23:01,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:23:01,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845401207] [2021-11-22 19:23:01,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:23:01,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:23:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:23:01,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:23:01,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:23:01,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845401207] [2021-11-22 19:23:01,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845401207] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:23:01,794 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:23:01,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-11-22 19:23:01,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991738168] [2021-11-22 19:23:01,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:23:01,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-22 19:23:01,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:23:01,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-22 19:23:01,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2021-11-22 19:23:01,795 INFO L87 Difference]: Start difference. First operand 946 states and 1007 transitions. Second operand has 16 states, 16 states have (on average 7.75) internal successors, (124), 16 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:23:02,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:23:02,865 INFO L93 Difference]: Finished difference Result 1033 states and 1103 transitions. [2021-11-22 19:23:02,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-22 19:23:02,865 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.75) internal successors, (124), 16 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2021-11-22 19:23:02,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:23:02,866 INFO L225 Difference]: With dead ends: 1033 [2021-11-22 19:23:02,866 INFO L226 Difference]: Without dead ends: 1031 [2021-11-22 19:23:02,866 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2021-11-22 19:23:02,867 INFO L933 BasicCegarLoop]: 354 mSDtfsCounter, 1656 mSDsluCounter, 1552 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1656 SdHoareTripleChecker+Valid, 1906 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-22 19:23:02,867 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1656 Valid, 1906 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-22 19:23:02,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2021-11-22 19:23:02,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 802. [2021-11-22 19:23:02,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 781 states have (on average 1.0947503201024327) internal successors, (855), 801 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:23:02,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 855 transitions. [2021-11-22 19:23:02,967 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 855 transitions. Word has length 124 [2021-11-22 19:23:02,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:23:02,967 INFO L470 AbstractCegarLoop]: Abstraction has 802 states and 855 transitions. [2021-11-22 19:23:02,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.75) internal successors, (124), 16 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:23:02,967 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 855 transitions. [2021-11-22 19:23:02,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-22 19:23:02,968 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:23:02,968 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:23:02,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-11-22 19:23:02,968 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:23:02,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:23:02,969 INFO L85 PathProgramCache]: Analyzing trace with hash -579763834, now seen corresponding path program 1 times [2021-11-22 19:23:02,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:23:02,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533245500] [2021-11-22 19:23:02,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:23:02,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:23:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:23:04,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:23:04,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:23:04,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533245500] [2021-11-22 19:23:04,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533245500] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:23:04,063 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:23:04,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-11-22 19:23:04,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911282965] [2021-11-22 19:23:04,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:23:04,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-22 19:23:04,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:23:04,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-22 19:23:04,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-11-22 19:23:04,064 INFO L87 Difference]: Start difference. First operand 802 states and 855 transitions. Second operand has 18 states, 18 states have (on average 6.944444444444445) internal successors, (125), 18 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:23:07,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:23:07,113 INFO L93 Difference]: Finished difference Result 1361 states and 1467 transitions. [2021-11-22 19:23:07,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-22 19:23:07,113 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.944444444444445) internal successors, (125), 18 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2021-11-22 19:23:07,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:23:07,115 INFO L225 Difference]: With dead ends: 1361 [2021-11-22 19:23:07,115 INFO L226 Difference]: Without dead ends: 1283 [2021-11-22 19:23:07,115 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=271, Invalid=1061, Unknown=0, NotChecked=0, Total=1332 [2021-11-22 19:23:07,115 INFO L933 BasicCegarLoop]: 384 mSDtfsCounter, 2117 mSDsluCounter, 4301 mSDsCounter, 0 mSdLazyCounter, 1764 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2117 SdHoareTripleChecker+Valid, 4685 SdHoareTripleChecker+Invalid, 1849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-22 19:23:07,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2117 Valid, 4685 Invalid, 1849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1764 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-22 19:23:07,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2021-11-22 19:23:07,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 873. [2021-11-22 19:23:07,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 873 states, 852 states have (on average 1.09037558685446) internal successors, (929), 872 states have internal predecessors, (929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:23:07,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 929 transitions. [2021-11-22 19:23:07,228 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 929 transitions. Word has length 125 [2021-11-22 19:23:07,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:23:07,228 INFO L470 AbstractCegarLoop]: Abstraction has 873 states and 929 transitions. [2021-11-22 19:23:07,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.944444444444445) internal successors, (125), 18 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:23:07,229 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 929 transitions. [2021-11-22 19:23:07,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-22 19:23:07,230 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:23:07,230 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:23:07,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-11-22 19:23:07,230 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:23:07,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:23:07,230 INFO L85 PathProgramCache]: Analyzing trace with hash -579210715, now seen corresponding path program 1 times [2021-11-22 19:23:07,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:23:07,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232394591] [2021-11-22 19:23:07,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:23:07,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:23:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:23:07,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:23:07,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:23:07,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232394591] [2021-11-22 19:23:07,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232394591] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:23:07,498 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:23:07,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 19:23:07,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831396041] [2021-11-22 19:23:07,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:23:07,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 19:23:07,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:23:07,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 19:23:07,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-22 19:23:07,499 INFO L87 Difference]: Start difference. First operand 873 states and 929 transitions. Second operand has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:23:07,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:23:07,881 INFO L93 Difference]: Finished difference Result 954 states and 1019 transitions. [2021-11-22 19:23:07,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 19:23:07,881 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2021-11-22 19:23:07,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:23:07,882 INFO L225 Difference]: With dead ends: 954 [2021-11-22 19:23:07,882 INFO L226 Difference]: Without dead ends: 952 [2021-11-22 19:23:07,882 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-11-22 19:23:07,883 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 397 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 1176 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 19:23:07,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [397 Valid, 1176 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 19:23:07,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2021-11-22 19:23:07,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 881. [2021-11-22 19:23:07,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 860 states have (on average 1.0930232558139534) internal successors, (940), 880 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:23:07,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 940 transitions. [2021-11-22 19:23:07,955 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 940 transitions. Word has length 125 [2021-11-22 19:23:07,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:23:07,955 INFO L470 AbstractCegarLoop]: Abstraction has 881 states and 940 transitions. [2021-11-22 19:23:07,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:23:07,956 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 940 transitions. [2021-11-22 19:23:07,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-22 19:23:07,957 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:23:07,957 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:23:07,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-11-22 19:23:07,957 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:23:07,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:23:07,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1724399431, now seen corresponding path program 1 times [2021-11-22 19:23:07,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:23:07,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616772739] [2021-11-22 19:23:07,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:23:07,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:23:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:23:08,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:23:08,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:23:08,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616772739] [2021-11-22 19:23:08,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616772739] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:23:08,376 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:23:08,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-22 19:23:08,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303418331] [2021-11-22 19:23:08,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:23:08,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-22 19:23:08,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:23:08,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-22 19:23:08,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-22 19:23:08,377 INFO L87 Difference]: Start difference. First operand 881 states and 940 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 9 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:23:08,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:23:08,913 INFO L93 Difference]: Finished difference Result 952 states and 1017 transitions. [2021-11-22 19:23:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 19:23:08,914 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 9 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2021-11-22 19:23:08,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:23:08,915 INFO L225 Difference]: With dead ends: 952 [2021-11-22 19:23:08,915 INFO L226 Difference]: Without dead ends: 950 [2021-11-22 19:23:08,915 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2021-11-22 19:23:08,915 INFO L933 BasicCegarLoop]: 301 mSDtfsCounter, 926 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 926 SdHoareTripleChecker+Valid, 1579 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-22 19:23:08,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [926 Valid, 1579 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-22 19:23:08,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2021-11-22 19:23:09,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 883. [2021-11-22 19:23:09,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 883 states, 862 states have (on average 1.0928074245939676) internal successors, (942), 882 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:23:09,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 942 transitions. [2021-11-22 19:23:09,022 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 942 transitions. Word has length 127 [2021-11-22 19:23:09,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:23:09,023 INFO L470 AbstractCegarLoop]: Abstraction has 883 states and 942 transitions. [2021-11-22 19:23:09,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 9 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:23:09,023 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 942 transitions. [2021-11-22 19:23:09,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-22 19:23:09,024 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:23:09,024 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:23:09,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-11-22 19:23:09,025 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 20 more)] === [2021-11-22 19:23:09,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:23:09,025 INFO L85 PathProgramCache]: Analyzing trace with hash -119468954, now seen corresponding path program 1 times [2021-11-22 19:23:09,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:23:09,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786679998] [2021-11-22 19:23:09,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:23:09,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:23:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:23:09,291 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:23:09,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:23:09,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786679998] [2021-11-22 19:23:09,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786679998] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 19:23:09,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470474241] [2021-11-22 19:23:09,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:23:09,292 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 19:23:09,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 19:23:09,293 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 19:23:09,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-22 19:23:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:23:10,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 2930 conjuncts, 143 conjunts are in the unsatisfiable core [2021-11-22 19:23:10,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 19:23:10,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-22 19:23:10,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:10,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-11-22 19:23:10,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2021-11-22 19:23:10,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:10,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 46 [2021-11-22 19:23:10,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 80 [2021-11-22 19:23:10,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:10,842 INFO L354 Elim1Store]: treesize reduction 84, result has 25.7 percent of original size [2021-11-22 19:23:10,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 79 treesize of output 107 [2021-11-22 19:23:10,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:10,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:10,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:10,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2021-11-22 19:23:10,941 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-22 19:23:11,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:11,104 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-11-22 19:23:11,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 43 [2021-11-22 19:23:11,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:11,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:11,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:11,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 34 [2021-11-22 19:23:13,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 105 [2021-11-22 19:23:13,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:13,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:13,273 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 19:23:13,304 INFO L354 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2021-11-22 19:23:13,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 140 [2021-11-22 19:23:13,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:13,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:13,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:13,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2021-11-22 19:23:13,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:13,408 INFO L354 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2021-11-22 19:23:13,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 162 treesize of output 109 [2021-11-22 19:23:13,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 105 [2021-11-22 19:23:13,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:13,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:13,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 19:23:13,652 INFO L354 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2021-11-22 19:23:13,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 140 [2021-11-22 19:23:13,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:13,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:13,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:13,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 41 [2021-11-22 19:23:13,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:13,878 INFO L354 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2021-11-22 19:23:13,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 105 treesize of output 67 [2021-11-22 19:23:13,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:13,915 INFO L354 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2021-11-22 19:23:13,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 68 [2021-11-22 19:23:14,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 105 [2021-11-22 19:23:14,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:14,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:14,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 19:23:14,133 INFO L354 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2021-11-22 19:23:14,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 140 [2021-11-22 19:23:14,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:14,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:14,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:14,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 41 [2021-11-22 19:23:14,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:14,427 INFO L354 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2021-11-22 19:23:14,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 131 treesize of output 81 [2021-11-22 19:23:14,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 105 [2021-11-22 19:23:14,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:14,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:14,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 19:23:14,644 INFO L354 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2021-11-22 19:23:14,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 140 [2021-11-22 19:23:14,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:14,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:14,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:14,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 45 [2021-11-22 19:23:14,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:14,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:14,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:14,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 46 [2021-11-22 19:23:14,872 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-22 19:23:14,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:14,932 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-22 19:23:14,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 77 treesize of output 51 [2021-11-22 19:23:15,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:15,035 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-22 19:23:15,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 77 treesize of output 51 [2021-11-22 19:23:15,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 105 [2021-11-22 19:23:15,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:15,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:15,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 19:23:15,319 INFO L354 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2021-11-22 19:23:15,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 140 [2021-11-22 19:23:15,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:15,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:15,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:15,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 29 [2021-11-22 19:23:15,436 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-22 19:23:15,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:15,641 INFO L354 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2021-11-22 19:23:15,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 94 treesize of output 56 [2021-11-22 19:23:15,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:15,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:15,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:15,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 39 [2021-11-22 19:23:15,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:15,726 INFO L354 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2021-11-22 19:23:15,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 93 treesize of output 55 [2021-11-22 19:23:15,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:15,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:15,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:15,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 38 [2021-11-22 19:23:15,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 74 [2021-11-22 19:23:15,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 19:23:15,896 INFO L354 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2021-11-22 19:23:15,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 109 [2021-11-22 19:23:15,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:15,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:15,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:15,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2021-11-22 19:23:16,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:16,042 INFO L354 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2021-11-22 19:23:16,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 95 treesize of output 64 [2021-11-22 19:23:16,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:23:16,138 INFO L354 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2021-11-22 19:23:16,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 92 treesize of output 61 [2021-11-22 19:23:17,286 INFO L354 Elim1Store]: treesize reduction 18, result has 14.3 percent of original size [2021-11-22 19:23:17,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 59 [2021-11-22 19:23:17,332 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-22 19:23:17,332 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 19:23:49,433 WARN L227 SmtUtils]: Spent 21.40s on a formula simplification that was a NOOP. DAG size: 81 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-22 19:24:16,301 WARN L227 SmtUtils]: Spent 12.69s on a formula simplification that was a NOOP. DAG size: 185 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-22 19:24:17,140 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:24:17,294 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:24:19,648 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:24:19,673 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:24:19,902 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:24:19,917 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:24:30,548 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:24:30,571 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:24:30,823 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:24:30,839 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:24:33,068 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:24:33,085 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:24:33,309 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:24:33,338 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:24:55,297 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_memset_impl_~c#1| 256))) (and (or (< 127 .cse0) (and (forall ((|aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| Int)) (or (<= |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| 9223372036854775807) (and (forall ((|v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_1| Int)) (or (< |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_1| 0) (and (forall ((v_subst_11 Int)) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base| (let ((.cse2 (mod |c_ULTIMATE.start_memset_impl_~c#1| 256))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base|) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_1| 18446744073709551616)) .cse2) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| 18446744073709551616) (- 18446744073709551616)) .cse2) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod v_subst_11 18446744073709551616) (- 18446744073709551616)) .cse2))) |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base|))) (or (not (= (mod (select .cse1 (+ |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset| 16)) 18446744073709551616) 0)) (<= 18446744073709551616 v_subst_11) (<= v_subst_11 9223372036854775807) (= (mod (select .cse1 |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset|) 18446744073709551616) 0)))) (forall ((v_subst_12 Int)) (let ((.cse3 (select (store |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base| (let ((.cse4 (mod |c_ULTIMATE.start_memset_impl_~c#1| 256))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base|) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_1| 18446744073709551616)) .cse4) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| 18446744073709551616) (- 18446744073709551616)) .cse4) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod v_subst_12 18446744073709551616)) .cse4))) |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base|))) (or (< 9223372036854775807 v_subst_12) (< v_subst_12 0) (not (= (mod (select .cse3 (+ |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset| 16)) 18446744073709551616) 0)) (= (mod (select .cse3 |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset|) 18446744073709551616) 0))))) (< 9223372036854775807 |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_1|))) (forall ((|v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_2| Int)) (or (<= 18446744073709551616 |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_2|) (and (forall ((v_subst_12 Int)) (let ((.cse5 (select (store |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base| (let ((.cse6 (mod |c_ULTIMATE.start_memset_impl_~c#1| 256))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base|) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_2| 18446744073709551616) (- 18446744073709551616)) .cse6) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| 18446744073709551616) (- 18446744073709551616)) .cse6) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod v_subst_12 18446744073709551616)) .cse6))) |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base|))) (or (< 9223372036854775807 v_subst_12) (< v_subst_12 0) (= (mod (select .cse5 |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset|) 18446744073709551616) 0) (not (= (mod (select .cse5 (+ |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset| 16)) 18446744073709551616) 0))))) (forall ((v_subst_11 Int)) (let ((.cse7 (select (store |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base| (let ((.cse8 (mod |c_ULTIMATE.start_memset_impl_~c#1| 256))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base|) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_2| 18446744073709551616) (- 18446744073709551616)) .cse8) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| 18446744073709551616) (- 18446744073709551616)) .cse8) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod v_subst_11 18446744073709551616) (- 18446744073709551616)) .cse8))) |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base|))) (or (not (= (mod (select .cse7 (+ |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset| 16)) 18446744073709551616) 0)) (= (mod (select .cse7 |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset|) 18446744073709551616) 0) (<= 18446744073709551616 v_subst_11) (<= v_subst_11 9223372036854775807))))) (<= |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_2| 9223372036854775807)))) (<= 18446744073709551616 |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62|))) (forall ((|aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| Int)) (or (< 9223372036854775807 |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62|) (< |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| 0) (and (forall ((v_subst_16 Int)) (or (< v_subst_16 0) (and (forall ((|v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_6| Int)) (let ((.cse9 (select (store |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base| (let ((.cse10 (mod |c_ULTIMATE.start_memset_impl_~c#1| 256))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base|) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_6| 18446744073709551616) (- 18446744073709551616)) .cse10) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| 18446744073709551616)) .cse10) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod v_subst_16 18446744073709551616)) .cse10))) |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base|))) (or (not (= (mod (select .cse9 (+ |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset| 16)) 18446744073709551616) 0)) (<= 18446744073709551616 |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_6|) (= (mod (select .cse9 |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset|) 18446744073709551616) 0) (<= |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_6| 9223372036854775807)))) (forall ((|v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_5| Int)) (let ((.cse11 (select (store |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base| (let ((.cse12 (mod |c_ULTIMATE.start_memset_impl_~c#1| 256))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base|) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_5| 18446744073709551616)) .cse12) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| 18446744073709551616)) .cse12) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod v_subst_16 18446744073709551616)) .cse12))) |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base|))) (or (= (mod (select .cse11 |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset|) 18446744073709551616) 0) (< 9223372036854775807 |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_5|) (< |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_5| 0) (not (= 0 (mod (select .cse11 (+ |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset| 16)) 18446744073709551616))))))) (< 9223372036854775807 v_subst_16))) (forall ((v_subst_15 Int)) (or (<= v_subst_15 9223372036854775807) (and (forall ((|v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_4| Int)) (let ((.cse13 (select (store |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base| (let ((.cse14 (mod |c_ULTIMATE.start_memset_impl_~c#1| 256))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base|) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_4| 18446744073709551616) (- 18446744073709551616)) .cse14) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| 18446744073709551616)) .cse14) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod v_subst_15 18446744073709551616) (- 18446744073709551616)) .cse14))) |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base|))) (or (<= |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_4| 9223372036854775807) (<= 18446744073709551616 |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_4|) (= (mod (select .cse13 |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset|) 18446744073709551616) 0) (not (= (mod (select .cse13 (+ |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset| 16)) 18446744073709551616) 0))))) (forall ((|v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_3| Int)) (let ((.cse15 (select (store |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base| (let ((.cse16 (mod |c_ULTIMATE.start_memset_impl_~c#1| 256))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base|) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_3| 18446744073709551616)) .cse16) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| 18446744073709551616)) .cse16) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod v_subst_15 18446744073709551616) (- 18446744073709551616)) .cse16))) |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base|))) (or (< |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_3| 0) (not (= (mod (select .cse15 (+ |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset| 16)) 18446744073709551616) 0)) (< 9223372036854775807 |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_3|) (= (mod (select .cse15 |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset|) 18446744073709551616) 0))))) (<= 18446744073709551616 v_subst_15)))))))) (or (and (forall ((|aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| Int)) (or (< 9223372036854775807 |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62|) (< |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| 0) (and (forall ((v_subst_5 Int)) (or (<= 18446744073709551616 v_subst_5) (and (forall ((|v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_12| Int)) (let ((.cse17 (select (store |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base| (let ((.cse18 (+ (- 256) (mod |c_ULTIMATE.start_memset_impl_~c#1| 256)))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base|) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_12| 18446744073709551616)) .cse18) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| 18446744073709551616)) .cse18) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod v_subst_5 18446744073709551616) (- 18446744073709551616)) .cse18))) |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base|))) (or (= (mod (select .cse17 |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset|) 18446744073709551616) 0) (< |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_12| 0) (not (= (mod (select .cse17 (+ |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset| 16)) 18446744073709551616) 0)) (< 9223372036854775807 |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_12|)))) (forall ((|v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_11| Int)) (let ((.cse19 (select (store |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base| (let ((.cse20 (+ (- 256) (mod |c_ULTIMATE.start_memset_impl_~c#1| 256)))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base|) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_11| 18446744073709551616) (- 18446744073709551616)) .cse20) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| 18446744073709551616)) .cse20) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod v_subst_5 18446744073709551616) (- 18446744073709551616)) .cse20))) |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base|))) (or (<= |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_11| 9223372036854775807) (not (= (mod (select .cse19 (+ |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset| 16)) 18446744073709551616) 0)) (= (mod (select .cse19 |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset|) 18446744073709551616) 0) (<= 18446744073709551616 |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_11|))))) (<= v_subst_5 9223372036854775807))) (forall ((v_subst_6 Int)) (or (< 9223372036854775807 v_subst_6) (and (forall ((|v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_14| Int)) (let ((.cse21 (select (store |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base| (let ((.cse22 (+ (- 256) (mod |c_ULTIMATE.start_memset_impl_~c#1| 256)))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base|) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_14| 18446744073709551616) (- 18446744073709551616)) .cse22) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| 18446744073709551616)) .cse22) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod v_subst_6 18446744073709551616)) .cse22))) |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base|))) (or (not (= (mod (select .cse21 (+ |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset| 16)) 18446744073709551616) 0)) (<= 18446744073709551616 |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_14|) (<= |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_14| 9223372036854775807) (= (mod (select .cse21 |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset|) 18446744073709551616) 0)))) (forall ((|v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_13| Int)) (let ((.cse23 (select (store |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base| (let ((.cse24 (+ (- 256) (mod |c_ULTIMATE.start_memset_impl_~c#1| 256)))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base|) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_13| 18446744073709551616)) .cse24) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| 18446744073709551616)) .cse24) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod v_subst_6 18446744073709551616)) .cse24))) |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base|))) (or (= (mod (select .cse23 |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset|) 18446744073709551616) 0) (< |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_13| 0) (< 9223372036854775807 |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_13|) (not (= (mod (select .cse23 (+ |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset| 16)) 18446744073709551616) 0)))))) (< v_subst_6 0)))))) (forall ((|aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| Int)) (or (and (forall ((v_subst_2 Int)) (or (< v_subst_2 0) (and (forall ((|v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_9| Int)) (let ((.cse25 (select (store |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base| (let ((.cse26 (+ (- 256) (mod |c_ULTIMATE.start_memset_impl_~c#1| 256)))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base|) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_9| 18446744073709551616)) .cse26) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| 18446744073709551616) (- 18446744073709551616)) .cse26) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod v_subst_2 18446744073709551616)) .cse26))) |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base|))) (or (= (mod (select .cse25 |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset|) 18446744073709551616) 0) (< |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_9| 0) (< 9223372036854775807 |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_9|) (not (= (mod (select .cse25 (+ |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset| 16)) 18446744073709551616) 0))))) (forall ((|v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_10| Int)) (let ((.cse27 (select (store |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base| (let ((.cse28 (+ (- 256) (mod |c_ULTIMATE.start_memset_impl_~c#1| 256)))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base|) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_10| 18446744073709551616) (- 18446744073709551616)) .cse28) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| 18446744073709551616) (- 18446744073709551616)) .cse28) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod v_subst_2 18446744073709551616)) .cse28))) |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base|))) (or (not (= (mod (select .cse27 (+ |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset| 16)) 18446744073709551616) 0)) (= (mod (select .cse27 |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset|) 18446744073709551616) 0) (<= 18446744073709551616 |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_10|) (<= |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_10| 9223372036854775807))))) (< 9223372036854775807 v_subst_2))) (forall ((v_subst_1 Int)) (or (<= v_subst_1 9223372036854775807) (and (forall ((|v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_8| Int)) (let ((.cse29 (select (store |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base| (let ((.cse30 (+ (- 256) (mod |c_ULTIMATE.start_memset_impl_~c#1| 256)))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base|) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_8| 18446744073709551616) (- 18446744073709551616)) .cse30) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| 18446744073709551616) (- 18446744073709551616)) .cse30) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod v_subst_1 18446744073709551616) (- 18446744073709551616)) .cse30))) |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base|))) (or (<= 18446744073709551616 |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_8|) (= 0 (mod (select .cse29 |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset|) 18446744073709551616)) (not (= (mod (select .cse29 (+ |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset| 16)) 18446744073709551616) 0)) (<= |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_8| 9223372036854775807)))) (forall ((|v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_7| Int)) (let ((.cse31 (select (store |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base| (let ((.cse32 (+ (- 256) (mod |c_ULTIMATE.start_memset_impl_~c#1| 256)))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_memset_impl_~sp~0#1.base|) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_7| 18446744073709551616)) .cse32) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| 18446744073709551616) (- 18446744073709551616)) .cse32) (+ |c_ULTIMATE.start_memset_impl_~sp~0#1.offset| (mod v_subst_1 18446744073709551616) (- 18446744073709551616)) .cse32))) |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.base|))) (or (< 9223372036854775807 |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_7|) (= (mod (select .cse31 |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset|) 18446744073709551616) 0) (< |v_aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62_7| 0) (not (= (mod (select .cse31 (+ |c_ULTIMATE.start_aws_byte_buf_advance_~output#1.offset| 16)) 18446744073709551616) 0)))))) (<= 18446744073709551616 v_subst_1)))) (<= |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| 9223372036854775807) (<= 18446744073709551616 |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62|)))) (<= .cse0 127)))) is different from true [2021-11-22 19:25:06,134 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:25:06,185 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:25:06,704 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:25:06,752 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:25:11,063 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:25:11,095 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:25:11,543 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:25:11,574 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:25:59,658 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:25:59,694 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:26:00,281 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:26:00,321 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:26:05,530 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:26:05,570 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:26:06,184 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:26:06,236 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:28:08,510 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:28:08,555 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:28:09,106 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:28:09,129 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:28:14,193 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:28:14,249 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:28:14,908 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:28:14,963 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:29:05,869 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:29:05,905 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:29:06,353 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:29:06,377 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:29:10,504 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:29:10,538 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:29:11,069 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 19:29:11,115 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_ULTIMATE.start_memset_impl_~i~6#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. Killed by 15