./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_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_hash_table_foreach_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 44162e1142387f3513ac3cf9af71d3c7aa6399e99cd364d08a07ceb8efc80a41 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-22 20:07:08,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 20:07:08,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 20:07:08,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 20:07:08,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 20:07:08,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 20:07:08,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 20:07:08,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 20:07:08,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 20:07:08,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 20:07:08,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 20:07:08,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 20:07:08,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 20:07:08,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 20:07:08,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 20:07:08,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 20:07:08,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 20:07:08,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 20:07:08,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 20:07:08,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 20:07:08,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 20:07:08,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 20:07:08,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 20:07:08,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 20:07:08,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 20:07:08,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 20:07:08,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 20:07:08,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 20:07:08,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 20:07:08,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 20:07:08,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 20:07:08,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 20:07:08,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 20:07:08,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 20:07:08,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 20:07:08,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 20:07:08,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 20:07:08,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 20:07:08,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 20:07:08,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 20:07:08,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 20:07:08,710 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 20:07:08,734 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 20:07:08,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 20:07:08,738 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 20:07:08,739 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 20:07:08,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 20:07:08,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 20:07:08,741 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 20:07:08,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 20:07:08,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 20:07:08,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 20:07:08,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 20:07:08,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 20:07:08,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 20:07:08,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 20:07:08,743 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 20:07:08,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 20:07:08,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 20:07:08,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 20:07:08,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 20:07:08,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 20:07:08,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 20:07:08,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 20:07:08,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 20:07:08,745 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 20:07:08,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 20:07:08,746 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 20:07:08,746 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 20:07:08,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 20:07:08,747 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 20:07:08,747 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44162e1142387f3513ac3cf9af71d3c7aa6399e99cd364d08a07ceb8efc80a41 [2021-11-22 20:07:08,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 20:07:08,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 20:07:09,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 20:07:09,003 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 20:07:09,011 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 20:07:09,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i [2021-11-22 20:07:09,080 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/461883ac8/1b4e44e0e1fa40cd81f8d438257de114/FLAGcfcf7fdc9 [2021-11-22 20:07:09,773 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 20:07:09,774 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i [2021-11-22 20:07:09,802 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/461883ac8/1b4e44e0e1fa40cd81f8d438257de114/FLAGcfcf7fdc9 [2021-11-22 20:07:09,903 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/461883ac8/1b4e44e0e1fa40cd81f8d438257de114 [2021-11-22 20:07:09,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 20:07:09,908 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 20:07:09,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 20:07:09,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 20:07:09,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 20:07:09,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 08:07:09" (1/1) ... [2021-11-22 20:07:09,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c58fd76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:07:09, skipping insertion in model container [2021-11-22 20:07:09,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 08:07:09" (1/1) ... [2021-11-22 20:07:09,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 20:07:10,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 20:07:10,237 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_hash_table_foreach_harness.i[4496,4509] [2021-11-22 20:07:10,245 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_hash_table_foreach_harness.i[4556,4569] [2021-11-22 20:07:10,956 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:10,957 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:10,957 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:10,958 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:10,959 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:10,978 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:10,979 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:10,981 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:10,983 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:10,985 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:10,989 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:10,990 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:10,990 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,296 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-22 20:07:11,297 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-22 20:07:11,298 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-22 20:07:11,299 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-22 20:07:11,304 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-22 20:07:11,305 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-22 20:07:11,305 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-22 20:07:11,306 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-22 20:07:11,307 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-22 20:07:11,307 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-22 20:07:11,474 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-22 20:07:11,747 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,747 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,782 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,784 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,789 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,790 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,806 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,807 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,808 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,808 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,809 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,810 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,810 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 20:07:11,884 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 20:07:11,906 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_hash_table_foreach_harness.i[4496,4509] [2021-11-22 20:07:11,907 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_hash_table_foreach_harness.i[4556,4569] [2021-11-22 20:07:11,940 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,941 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,941 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,942 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,942 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,949 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,950 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,952 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,953 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,954 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,954 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,954 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,955 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:11,981 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-22 20:07:11,982 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-22 20:07:11,982 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-22 20:07:11,983 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-22 20:07:11,984 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-22 20:07:11,984 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-22 20:07:11,985 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-22 20:07:11,985 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-22 20:07:11,985 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-22 20:07:11,986 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-22 20:07:12,026 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-22 20:07:12,108 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:12,108 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:12,114 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:12,114 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:12,118 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:12,118 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:12,129 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:12,129 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:12,130 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:12,130 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:12,130 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:12,131 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:12,131 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:07:12,146 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 20:07:12,454 INFO L208 MainTranslator]: Completed translation [2021-11-22 20:07:12,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:07:12 WrapperNode [2021-11-22 20:07:12,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 20:07:12,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 20:07:12,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 20:07:12,465 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 20:07:12,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:07:12" (1/1) ... [2021-11-22 20:07:12,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:07:12" (1/1) ... [2021-11-22 20:07:12,739 INFO L137 Inliner]: procedures = 775, calls = 2435, calls flagged for inlining = 750, calls inlined = 144, statements flattened = 3217 [2021-11-22 20:07:12,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 20:07:12,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 20:07:12,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 20:07:12,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 20:07:12,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:07:12" (1/1) ... [2021-11-22 20:07:12,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:07:12" (1/1) ... [2021-11-22 20:07:12,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:07:12" (1/1) ... [2021-11-22 20:07:12,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:07:12" (1/1) ... [2021-11-22 20:07:12,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:07:12" (1/1) ... [2021-11-22 20:07:12,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:07:12" (1/1) ... [2021-11-22 20:07:12,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:07:12" (1/1) ... [2021-11-22 20:07:12,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 20:07:12,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 20:07:12,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 20:07:12,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 20:07:12,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:07:12" (1/1) ... [2021-11-22 20:07:12,937 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 20:07:12,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 20:07:12,965 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 20:07:12,992 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 20:07:13,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-22 20:07:13,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 20:07:13,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 20:07:13,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 20:07:13,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 20:07:13,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 20:07:13,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 20:07:13,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 20:07:13,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 20:07:13,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 20:07:13,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 20:07:13,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 20:07:13,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 20:07:13,399 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 20:07:13,401 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 20:07:15,091 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##312: assume !true; [2021-11-22 20:07:15,092 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##136: assume !true; [2021-11-22 20:07:15,092 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##343: assume !true; [2021-11-22 20:07:15,092 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 20:07:15,107 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 20:07:15,107 INFO L301 CfgBuilder]: Removed 14 assume(true) statements. [2021-11-22 20:07:15,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 08:07:15 BoogieIcfgContainer [2021-11-22 20:07:15,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 20:07:15,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 20:07:15,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 20:07:15,116 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 20:07:15,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 08:07:09" (1/3) ... [2021-11-22 20:07:15,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9eb3b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 08:07:15, skipping insertion in model container [2021-11-22 20:07:15,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:07:12" (2/3) ... [2021-11-22 20:07:15,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9eb3b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 08:07:15, skipping insertion in model container [2021-11-22 20:07:15,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 08:07:15" (3/3) ... [2021-11-22 20:07:15,119 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_table_foreach_harness.i [2021-11-22 20:07:15,125 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 20:07:15,126 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2021-11-22 20:07:15,171 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 20:07:15,177 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 20:07:15,177 INFO L340 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2021-11-22 20:07:15,197 INFO L276 IsEmpty]: Start isEmpty. Operand has 465 states, 447 states have (on average 1.5100671140939597) internal successors, (675), 464 states have internal predecessors, (675), 0 states have call successors, (0), 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 20:07:15,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 20:07:15,203 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 20:07:15,203 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] [2021-11-22 20:07:15,204 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-22 20:07:15,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 20:07:15,209 INFO L85 PathProgramCache]: Analyzing trace with hash -732608065, now seen corresponding path program 1 times [2021-11-22 20:07:15,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 20:07:15,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724243465] [2021-11-22 20:07:15,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:07:15,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 20:07:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 20:07:15,663 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 20:07:15,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 20:07:15,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724243465] [2021-11-22 20:07:15,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724243465] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 20:07:15,665 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 20:07:15,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 20:07:15,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319753377] [2021-11-22 20:07:15,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 20:07:15,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 20:07:15,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 20:07:15,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 20:07:15,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 20:07:15,695 INFO L87 Difference]: Start difference. First operand has 465 states, 447 states have (on average 1.5100671140939597) internal successors, (675), 464 states have internal predecessors, (675), 0 states have call successors, (0), 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 25.5) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 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 20:07:15,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 20:07:15,744 INFO L93 Difference]: Finished difference Result 925 states and 1344 transitions. [2021-11-22 20:07:15,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 20:07:15,746 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2021-11-22 20:07:15,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 20:07:15,757 INFO L225 Difference]: With dead ends: 925 [2021-11-22 20:07:15,758 INFO L226 Difference]: Without dead ends: 459 [2021-11-22 20:07:15,762 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 20:07:15,765 INFO L933 BasicCegarLoop]: 621 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, 621 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 20:07:15,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 20:07:15,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2021-11-22 20:07:15,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 459. [2021-11-22 20:07:15,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 442 states have (on average 1.3936651583710407) internal successors, (616), 458 states have internal predecessors, (616), 0 states have call successors, (0), 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 20:07:15,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 616 transitions. [2021-11-22 20:07:15,831 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 616 transitions. Word has length 51 [2021-11-22 20:07:15,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 20:07:15,832 INFO L470 AbstractCegarLoop]: Abstraction has 459 states and 616 transitions. [2021-11-22 20:07:15,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 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 20:07:15,832 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 616 transitions. [2021-11-22 20:07:15,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 20:07:15,835 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 20:07:15,835 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 20:07:15,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 20:07:15,836 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-22 20:07:15,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 20:07:15,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1623993204, now seen corresponding path program 1 times [2021-11-22 20:07:15,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 20:07:15,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078818501] [2021-11-22 20:07:15,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:07:15,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 20:07:15,947 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 20:07:15,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [259465001] [2021-11-22 20:07:15,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:07:15,948 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 20:07:15,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 20:07:15,952 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 20:07:15,953 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 20:07:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 20:07:16,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 2309 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 20:07:16,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 20:07:16,736 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 20:07:16,736 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 20:07:16,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 20:07:16,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078818501] [2021-11-22 20:07:16,737 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 20:07:16,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259465001] [2021-11-22 20:07:16,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259465001] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 20:07:16,738 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 20:07:16,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 20:07:16,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902986444] [2021-11-22 20:07:16,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 20:07:16,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 20:07:16,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 20:07:16,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 20:07:16,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-22 20:07:16,740 INFO L87 Difference]: Start difference. First operand 459 states and 616 transitions. Second operand has 6 states, 6 states have (on average 9.0) 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 20:07:17,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 20:07:17,065 INFO L93 Difference]: Finished difference Result 1088 states and 1459 transitions. [2021-11-22 20:07:17,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 20:07:17,066 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) 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 20:07:17,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 20:07:17,076 INFO L225 Difference]: With dead ends: 1088 [2021-11-22 20:07:17,076 INFO L226 Difference]: Without dead ends: 719 [2021-11-22 20:07:17,081 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-22 20:07:17,086 INFO L933 BasicCegarLoop]: 581 mSDtfsCounter, 1537 mSDsluCounter, 1445 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1537 SdHoareTripleChecker+Valid, 2026 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 20:07:17,086 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1537 Valid, 2026 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 20:07:17,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2021-11-22 20:07:17,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 459. [2021-11-22 20:07:17,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 442 states have (on average 1.3891402714932126) internal successors, (614), 458 states have internal predecessors, (614), 0 states have call successors, (0), 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 20:07:17,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 614 transitions. [2021-11-22 20:07:17,125 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 614 transitions. Word has length 54 [2021-11-22 20:07:17,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 20:07:17,126 INFO L470 AbstractCegarLoop]: Abstraction has 459 states and 614 transitions. [2021-11-22 20:07:17,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) 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 20:07:17,126 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 614 transitions. [2021-11-22 20:07:17,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 20:07:17,129 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 20:07:17,129 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] [2021-11-22 20:07:17,161 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 20:07:17,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 20:07:17,356 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-22 20:07:17,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 20:07:17,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1196059165, now seen corresponding path program 1 times [2021-11-22 20:07:17,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 20:07:17,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842600473] [2021-11-22 20:07:17,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:07:17,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 20:07:17,423 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 20:07:17,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [150251050] [2021-11-22 20:07:17,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:07:17,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 20:07:17,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 20:07:17,425 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 20:07:17,427 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 20:07:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 20:07:17,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 2314 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 20:07:17,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 20:07:18,014 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 20:07:18,015 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 20:07:18,015 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 20:07:18,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842600473] [2021-11-22 20:07:18,016 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 20:07:18,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150251050] [2021-11-22 20:07:18,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150251050] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 20:07:18,016 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 20:07:18,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 20:07:18,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176733765] [2021-11-22 20:07:18,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 20:07:18,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 20:07:18,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 20:07:18,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 20:07:18,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 20:07:18,022 INFO L87 Difference]: Start difference. First operand 459 states and 614 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 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 20:07:18,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 20:07:18,084 INFO L93 Difference]: Finished difference Result 1343 states and 1803 transitions. [2021-11-22 20:07:18,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 20:07:18,085 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2021-11-22 20:07:18,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 20:07:18,090 INFO L225 Difference]: With dead ends: 1343 [2021-11-22 20:07:18,091 INFO L226 Difference]: Without dead ends: 906 [2021-11-22 20:07:18,098 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-22 20:07:18,103 INFO L933 BasicCegarLoop]: 1199 mSDtfsCounter, 1197 mSDsluCounter, 2418 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1197 SdHoareTripleChecker+Valid, 3617 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 20:07:18,104 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1197 Valid, 3617 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 20:07:18,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2021-11-22 20:07:18,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 462. [2021-11-22 20:07:18,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 445 states have (on average 1.3865168539325843) internal successors, (617), 461 states have internal predecessors, (617), 0 states have call successors, (0), 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 20:07:18,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 617 transitions. [2021-11-22 20:07:18,125 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 617 transitions. Word has length 55 [2021-11-22 20:07:18,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 20:07:18,125 INFO L470 AbstractCegarLoop]: Abstraction has 462 states and 617 transitions. [2021-11-22 20:07:18,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 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 20:07:18,126 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 617 transitions. [2021-11-22 20:07:18,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 20:07:18,131 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 20:07:18,131 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] [2021-11-22 20:07:18,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-22 20:07:18,344 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,SelfDestructingSolverStorable2 [2021-11-22 20:07:18,345 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-22 20:07:18,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 20:07:18,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1561813049, now seen corresponding path program 1 times [2021-11-22 20:07:18,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 20:07:18,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025419452] [2021-11-22 20:07:18,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:07:18,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 20:07:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 20:07:18,588 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 20:07:18,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 20:07:18,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025419452] [2021-11-22 20:07:18,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025419452] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 20:07:18,589 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 20:07:18,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-22 20:07:18,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250273576] [2021-11-22 20:07:18,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 20:07:18,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-22 20:07:18,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 20:07:18,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-22 20:07:18,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-22 20:07:18,591 INFO L87 Difference]: Start difference. First operand 462 states and 617 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 0 states have call successors, (0), 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 20:07:19,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 20:07:19,204 INFO L93 Difference]: Finished difference Result 902 states and 1210 transitions. [2021-11-22 20:07:19,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-22 20:07:19,205 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2021-11-22 20:07:19,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 20:07:19,207 INFO L225 Difference]: With dead ends: 902 [2021-11-22 20:07:19,207 INFO L226 Difference]: Without dead ends: 478 [2021-11-22 20:07:19,208 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-11-22 20:07:19,208 INFO L933 BasicCegarLoop]: 601 mSDtfsCounter, 1351 mSDsluCounter, 2009 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1351 SdHoareTripleChecker+Valid, 2610 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-22 20:07:19,208 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1351 Valid, 2610 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-22 20:07:19,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2021-11-22 20:07:19,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 466. [2021-11-22 20:07:19,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 449 states have (on average 1.3830734966592428) internal successors, (621), 465 states have internal predecessors, (621), 0 states have call successors, (0), 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 20:07:19,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 621 transitions. [2021-11-22 20:07:19,226 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 621 transitions. Word has length 57 [2021-11-22 20:07:19,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 20:07:19,227 INFO L470 AbstractCegarLoop]: Abstraction has 466 states and 621 transitions. [2021-11-22 20:07:19,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 0 states have call successors, (0), 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 20:07:19,227 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 621 transitions. [2021-11-22 20:07:19,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 20:07:19,228 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 20:07:19,228 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] [2021-11-22 20:07:19,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 20:07:19,229 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-22 20:07:19,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 20:07:19,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1379675655, now seen corresponding path program 1 times [2021-11-22 20:07:19,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 20:07:19,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119266853] [2021-11-22 20:07:19,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:07:19,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 20:07:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 20:07:19,435 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 20:07:19,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 20:07:19,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119266853] [2021-11-22 20:07:19,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119266853] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 20:07:19,436 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 20:07:19,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 20:07:19,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481364641] [2021-11-22 20:07:19,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 20:07:19,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 20:07:19,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 20:07:19,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 20:07:19,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 20:07:19,439 INFO L87 Difference]: Start difference. First operand 466 states and 621 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 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 20:07:19,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 20:07:19,535 INFO L93 Difference]: Finished difference Result 893 states and 1196 transitions. [2021-11-22 20:07:19,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 20:07:19,536 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2021-11-22 20:07:19,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 20:07:19,538 INFO L225 Difference]: With dead ends: 893 [2021-11-22 20:07:19,538 INFO L226 Difference]: Without dead ends: 462 [2021-11-22 20:07:19,539 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 20:07:19,540 INFO L933 BasicCegarLoop]: 603 mSDtfsCounter, 585 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 1146 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 20:07:19,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [585 Valid, 1146 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 20:07:19,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2021-11-22 20:07:19,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 462. [2021-11-22 20:07:19,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 445 states have (on average 1.3752808988764045) internal successors, (612), 461 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 20:07:19,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 612 transitions. [2021-11-22 20:07:19,560 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 612 transitions. Word has length 57 [2021-11-22 20:07:19,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 20:07:19,560 INFO L470 AbstractCegarLoop]: Abstraction has 462 states and 612 transitions. [2021-11-22 20:07:19,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 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 20:07:19,561 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 612 transitions. [2021-11-22 20:07:19,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 20:07:19,561 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 20:07:19,562 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] [2021-11-22 20:07:19,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 20:07:19,562 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-22 20:07:19,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 20:07:19,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1068442457, now seen corresponding path program 1 times [2021-11-22 20:07:19,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 20:07:19,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078794746] [2021-11-22 20:07:19,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:07:19,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 20:07:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 20:07:19,715 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 20:07:19,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 20:07:19,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078794746] [2021-11-22 20:07:19,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078794746] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 20:07:19,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 20:07:19,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 20:07:19,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59225207] [2021-11-22 20:07:19,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 20:07:19,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 20:07:19,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 20:07:19,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 20:07:19,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 20:07:19,720 INFO L87 Difference]: Start difference. First operand 462 states and 612 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 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 20:07:20,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 20:07:20,451 INFO L93 Difference]: Finished difference Result 1196 states and 1592 transitions. [2021-11-22 20:07:20,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 20:07:20,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2021-11-22 20:07:20,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 20:07:20,455 INFO L225 Difference]: With dead ends: 1196 [2021-11-22 20:07:20,455 INFO L226 Difference]: Without dead ends: 771 [2021-11-22 20:07:20,456 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-22 20:07:20,457 INFO L933 BasicCegarLoop]: 593 mSDtfsCounter, 686 mSDsluCounter, 1344 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 1937 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-22 20:07:20,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [686 Valid, 1937 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-22 20:07:20,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2021-11-22 20:07:20,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 462. [2021-11-22 20:07:20,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 445 states have (on average 1.3438202247191011) internal successors, (598), 461 states have internal predecessors, (598), 0 states have call successors, (0), 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 20:07:20,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 598 transitions. [2021-11-22 20:07:20,476 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 598 transitions. Word has length 61 [2021-11-22 20:07:20,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 20:07:20,477 INFO L470 AbstractCegarLoop]: Abstraction has 462 states and 598 transitions. [2021-11-22 20:07:20,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 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 20:07:20,477 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 598 transitions. [2021-11-22 20:07:20,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 20:07:20,478 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 20:07:20,478 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] [2021-11-22 20:07:20,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 20:07:20,478 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-22 20:07:20,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 20:07:20,479 INFO L85 PathProgramCache]: Analyzing trace with hash 401026089, now seen corresponding path program 1 times [2021-11-22 20:07:20,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 20:07:20,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972832433] [2021-11-22 20:07:20,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:07:20,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 20:07:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 20:07:20,717 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 20:07:20,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 20:07:20,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972832433] [2021-11-22 20:07:20,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972832433] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 20:07:20,718 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 20:07:20,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 20:07:20,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983273060] [2021-11-22 20:07:20,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 20:07:20,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 20:07:20,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 20:07:20,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 20:07:20,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-22 20:07:20,720 INFO L87 Difference]: Start difference. First operand 462 states and 598 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 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 20:07:21,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 20:07:21,176 INFO L93 Difference]: Finished difference Result 1055 states and 1378 transitions. [2021-11-22 20:07:21,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 20:07:21,176 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2021-11-22 20:07:21,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 20:07:21,179 INFO L225 Difference]: With dead ends: 1055 [2021-11-22 20:07:21,179 INFO L226 Difference]: Without dead ends: 653 [2021-11-22 20:07:21,180 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-22 20:07:21,181 INFO L933 BasicCegarLoop]: 525 mSDtfsCounter, 1922 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1922 SdHoareTripleChecker+Valid, 1450 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-22 20:07:21,181 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1922 Valid, 1450 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-22 20:07:21,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2021-11-22 20:07:21,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 462. [2021-11-22 20:07:21,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 445 states have (on average 1.341573033707865) internal successors, (597), 461 states have internal predecessors, (597), 0 states have call successors, (0), 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 20:07:21,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 597 transitions. [2021-11-22 20:07:21,201 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 597 transitions. Word has length 63 [2021-11-22 20:07:21,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 20:07:21,201 INFO L470 AbstractCegarLoop]: Abstraction has 462 states and 597 transitions. [2021-11-22 20:07:21,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 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 20:07:21,201 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 597 transitions. [2021-11-22 20:07:21,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 20:07:21,202 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 20:07:21,202 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] [2021-11-22 20:07:21,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 20:07:21,202 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-22 20:07:21,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 20:07:21,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1412143339, now seen corresponding path program 1 times [2021-11-22 20:07:21,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 20:07:21,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036532247] [2021-11-22 20:07:21,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:07:21,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 20:07:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 20:07:21,489 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 20:07:21,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 20:07:21,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036532247] [2021-11-22 20:07:21,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036532247] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 20:07:21,489 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 20:07:21,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-22 20:07:21,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90864529] [2021-11-22 20:07:21,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 20:07:21,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-22 20:07:21,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 20:07:21,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-22 20:07:21,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-22 20:07:21,491 INFO L87 Difference]: Start difference. First operand 462 states and 597 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 0 states have call successors, (0), 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 20:07:22,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 20:07:22,419 INFO L93 Difference]: Finished difference Result 1072 states and 1389 transitions. [2021-11-22 20:07:22,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-22 20:07:22,420 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2021-11-22 20:07:22,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 20:07:22,423 INFO L225 Difference]: With dead ends: 1072 [2021-11-22 20:07:22,423 INFO L226 Difference]: Without dead ends: 703 [2021-11-22 20:07:22,423 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2021-11-22 20:07:22,424 INFO L933 BasicCegarLoop]: 539 mSDtfsCounter, 2355 mSDsluCounter, 2214 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2355 SdHoareTripleChecker+Valid, 2753 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-22 20:07:22,424 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2355 Valid, 2753 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 709 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-22 20:07:22,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2021-11-22 20:07:22,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 462. [2021-11-22 20:07:22,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 445 states have (on average 1.3393258426966292) internal successors, (596), 461 states have internal predecessors, (596), 0 states have call successors, (0), 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 20:07:22,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 596 transitions. [2021-11-22 20:07:22,447 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 596 transitions. Word has length 63 [2021-11-22 20:07:22,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 20:07:22,447 INFO L470 AbstractCegarLoop]: Abstraction has 462 states and 596 transitions. [2021-11-22 20:07:22,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 0 states have call successors, (0), 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 20:07:22,447 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 596 transitions. [2021-11-22 20:07:22,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 20:07:22,448 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 20:07:22,448 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] [2021-11-22 20:07:22,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 20:07:22,449 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-22 20:07:22,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 20:07:22,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1492659888, now seen corresponding path program 1 times [2021-11-22 20:07:22,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 20:07:22,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437369285] [2021-11-22 20:07:22,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:07:22,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 20:07:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 20:07:22,678 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 20:07:22,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 20:07:22,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437369285] [2021-11-22 20:07:22,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437369285] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 20:07:22,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 20:07:22,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-22 20:07:22,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398506594] [2021-11-22 20:07:22,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 20:07:22,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-22 20:07:22,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 20:07:22,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-22 20:07:22,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-22 20:07:22,681 INFO L87 Difference]: Start difference. First operand 462 states and 596 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 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 20:07:23,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 20:07:23,269 INFO L93 Difference]: Finished difference Result 807 states and 1048 transitions. [2021-11-22 20:07:23,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 20:07:23,270 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2021-11-22 20:07:23,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 20:07:23,272 INFO L225 Difference]: With dead ends: 807 [2021-11-22 20:07:23,272 INFO L226 Difference]: Without dead ends: 465 [2021-11-22 20:07:23,273 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-22 20:07:23,273 INFO L933 BasicCegarLoop]: 552 mSDtfsCounter, 1330 mSDsluCounter, 1342 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1330 SdHoareTripleChecker+Valid, 1894 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-22 20:07:23,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1330 Valid, 1894 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-22 20:07:23,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2021-11-22 20:07:23,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 462. [2021-11-22 20:07:23,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 445 states have (on average 1.3370786516853932) internal successors, (595), 461 states have internal predecessors, (595), 0 states have call successors, (0), 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 20:07:23,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 595 transitions. [2021-11-22 20:07:23,294 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 595 transitions. Word has length 67 [2021-11-22 20:07:23,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 20:07:23,294 INFO L470 AbstractCegarLoop]: Abstraction has 462 states and 595 transitions. [2021-11-22 20:07:23,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 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 20:07:23,294 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 595 transitions. [2021-11-22 20:07:23,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 20:07:23,295 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 20:07:23,295 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] [2021-11-22 20:07:23,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 20:07:23,296 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-22 20:07:23,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 20:07:23,296 INFO L85 PathProgramCache]: Analyzing trace with hash 251866560, now seen corresponding path program 1 times [2021-11-22 20:07:23,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 20:07:23,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66490560] [2021-11-22 20:07:23,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:07:23,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 20:07:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 20:07:23,804 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 20:07:23,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 20:07:23,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66490560] [2021-11-22 20:07:23,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66490560] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 20:07:23,805 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 20:07:23,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-22 20:07:23,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600492405] [2021-11-22 20:07:23,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 20:07:23,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-22 20:07:23,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 20:07:23,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-22 20:07:23,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2021-11-22 20:07:23,806 INFO L87 Difference]: Start difference. First operand 462 states and 595 transitions. Second operand has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 0 states have call successors, (0), 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 20:07:25,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 20:07:25,446 INFO L93 Difference]: Finished difference Result 879 states and 1143 transitions. [2021-11-22 20:07:25,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-22 20:07:25,447 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2021-11-22 20:07:25,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 20:07:25,449 INFO L225 Difference]: With dead ends: 879 [2021-11-22 20:07:25,449 INFO L226 Difference]: Without dead ends: 482 [2021-11-22 20:07:25,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=190, Invalid=566, Unknown=0, NotChecked=0, Total=756 [2021-11-22 20:07:25,450 INFO L933 BasicCegarLoop]: 574 mSDtfsCounter, 1314 mSDsluCounter, 3836 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1314 SdHoareTripleChecker+Valid, 4410 SdHoareTripleChecker+Invalid, 930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-22 20:07:25,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1314 Valid, 4410 Invalid, 930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-22 20:07:25,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2021-11-22 20:07:25,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 471. [2021-11-22 20:07:25,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 454 states have (on average 1.3325991189427313) internal successors, (605), 470 states have internal predecessors, (605), 0 states have call successors, (0), 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 20:07:25,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 605 transitions. [2021-11-22 20:07:25,474 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 605 transitions. Word has length 69 [2021-11-22 20:07:25,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 20:07:25,474 INFO L470 AbstractCegarLoop]: Abstraction has 471 states and 605 transitions. [2021-11-22 20:07:25,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 0 states have call successors, (0), 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 20:07:25,475 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 605 transitions. [2021-11-22 20:07:25,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 20:07:25,475 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 20:07:25,475 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 20:07:25,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-22 20:07:25,476 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-22 20:07:25,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 20:07:25,476 INFO L85 PathProgramCache]: Analyzing trace with hash -736419282, now seen corresponding path program 1 times [2021-11-22 20:07:25,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 20:07:25,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442177471] [2021-11-22 20:07:25,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:07:25,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 20:07:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 20:07:26,042 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 20:07:26,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 20:07:26,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442177471] [2021-11-22 20:07:26,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442177471] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 20:07:26,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843219699] [2021-11-22 20:07:26,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:07:26,043 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 20:07:26,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 20:07:26,048 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 20:07:26,055 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 20:07:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 20:07:26,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 2451 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 20:07:26,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 20:07:26,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 20:07:26,723 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 20:07:26,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843219699] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 20:07:26,723 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 20:07:26,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2021-11-22 20:07:26,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870290172] [2021-11-22 20:07:26,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 20:07:26,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 20:07:26,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 20:07:26,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 20:07:26,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2021-11-22 20:07:26,725 INFO L87 Difference]: Start difference. First operand 471 states and 605 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 20:07:26,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 20:07:26,956 INFO L93 Difference]: Finished difference Result 1182 states and 1543 transitions. [2021-11-22 20:07:26,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 20:07:26,957 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 20:07:26,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 20:07:26,960 INFO L225 Difference]: With dead ends: 1182 [2021-11-22 20:07:26,960 INFO L226 Difference]: Without dead ends: 782 [2021-11-22 20:07:26,961 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2021-11-22 20:07:26,961 INFO L933 BasicCegarLoop]: 595 mSDtfsCounter, 394 mSDsluCounter, 1622 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 2217 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 20:07:26,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [394 Valid, 2217 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 20:07:26,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2021-11-22 20:07:26,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 462. [2021-11-22 20:07:26,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 445 states have (on average 1.3325842696629213) internal successors, (593), 461 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 20:07:26,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 593 transitions. [2021-11-22 20:07:26,985 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 593 transitions. Word has length 70 [2021-11-22 20:07:26,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 20:07:26,985 INFO L470 AbstractCegarLoop]: Abstraction has 462 states and 593 transitions. [2021-11-22 20:07:26,985 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 20:07:26,986 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 593 transitions. [2021-11-22 20:07:26,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 20:07:26,986 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 20:07:26,986 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] [2021-11-22 20:07:27,017 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 20:07:27,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 20:07:27,212 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-22 20:07:27,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 20:07:27,212 INFO L85 PathProgramCache]: Analyzing trace with hash 169832630, now seen corresponding path program 1 times [2021-11-22 20:07:27,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 20:07:27,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647372532] [2021-11-22 20:07:27,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:07:27,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 20:07:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 20:07:27,758 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 20:07:27,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 20:07:27,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647372532] [2021-11-22 20:07:27,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647372532] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 20:07:27,758 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 20:07:27,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-11-22 20:07:27,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686638916] [2021-11-22 20:07:27,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 20:07:27,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-22 20:07:27,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 20:07:27,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-22 20:07:27,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-11-22 20:07:27,759 INFO L87 Difference]: Start difference. First operand 462 states and 593 transitions. Second operand has 14 states, 14 states have (on average 5.142857142857143) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 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 20:07:30,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 20:07:30,265 INFO L93 Difference]: Finished difference Result 1044 states and 1355 transitions. [2021-11-22 20:07:30,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-22 20:07:30,265 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.142857142857143) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2021-11-22 20:07:30,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 20:07:30,268 INFO L225 Difference]: With dead ends: 1044 [2021-11-22 20:07:30,268 INFO L226 Difference]: Without dead ends: 663 [2021-11-22 20:07:30,269 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=313, Invalid=1019, Unknown=0, NotChecked=0, Total=1332 [2021-11-22 20:07:30,270 INFO L933 BasicCegarLoop]: 512 mSDtfsCounter, 2526 mSDsluCounter, 4313 mSDsCounter, 0 mSdLazyCounter, 1280 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2526 SdHoareTripleChecker+Valid, 4825 SdHoareTripleChecker+Invalid, 1361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-22 20:07:30,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2526 Valid, 4825 Invalid, 1361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1280 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-22 20:07:30,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2021-11-22 20:07:30,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 464. [2021-11-22 20:07:30,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 447 states have (on average 1.3310961968680088) internal successors, (595), 463 states have internal predecessors, (595), 0 states have call successors, (0), 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 20:07:30,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 595 transitions. [2021-11-22 20:07:30,292 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 595 transitions. Word has length 72 [2021-11-22 20:07:30,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 20:07:30,293 INFO L470 AbstractCegarLoop]: Abstraction has 464 states and 595 transitions. [2021-11-22 20:07:30,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.142857142857143) internal successors, (72), 14 states have internal predecessors, (72), 0 states have call successors, (0), 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 20:07:30,293 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 595 transitions. [2021-11-22 20:07:30,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 20:07:30,294 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 20:07:30,294 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] [2021-11-22 20:07:30,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-22 20:07:30,294 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-22 20:07:30,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 20:07:30,295 INFO L85 PathProgramCache]: Analyzing trace with hash 849891000, now seen corresponding path program 1 times [2021-11-22 20:07:30,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 20:07:30,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010405667] [2021-11-22 20:07:30,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:07:30,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 20:07:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 20:07:30,544 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 20:07:30,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 20:07:30,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010405667] [2021-11-22 20:07:30,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010405667] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 20:07:30,545 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 20:07:30,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 20:07:30,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676791592] [2021-11-22 20:07:30,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 20:07:30,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 20:07:30,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 20:07:30,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 20:07:30,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-22 20:07:30,547 INFO L87 Difference]: Start difference. First operand 464 states and 595 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 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 20:07:31,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 20:07:31,202 INFO L93 Difference]: Finished difference Result 1041 states and 1351 transitions. [2021-11-22 20:07:31,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-22 20:07:31,203 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2021-11-22 20:07:31,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 20:07:31,205 INFO L225 Difference]: With dead ends: 1041 [2021-11-22 20:07:31,205 INFO L226 Difference]: Without dead ends: 655 [2021-11-22 20:07:31,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-11-22 20:07:31,207 INFO L933 BasicCegarLoop]: 516 mSDtfsCounter, 1922 mSDsluCounter, 1312 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1922 SdHoareTripleChecker+Valid, 1828 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-22 20:07:31,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1922 Valid, 1828 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-22 20:07:31,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2021-11-22 20:07:31,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 462. [2021-11-22 20:07:31,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 445 states have (on average 1.3280898876404494) internal successors, (591), 461 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 20:07:31,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 591 transitions. [2021-11-22 20:07:31,231 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 591 transitions. Word has length 72 [2021-11-22 20:07:31,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 20:07:31,231 INFO L470 AbstractCegarLoop]: Abstraction has 462 states and 591 transitions. [2021-11-22 20:07:31,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 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 20:07:31,231 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 591 transitions. [2021-11-22 20:07:31,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 20:07:31,232 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 20:07:31,232 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] [2021-11-22 20:07:31,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-22 20:07:31,232 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-22 20:07:31,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 20:07:31,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1961803109, now seen corresponding path program 1 times [2021-11-22 20:07:31,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 20:07:31,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705293236] [2021-11-22 20:07:31,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:07:31,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 20:07:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 20:07:31,789 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 20:07:31,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 20:07:31,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705293236] [2021-11-22 20:07:31,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705293236] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 20:07:31,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 20:07:31,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 20:07:31,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251558162] [2021-11-22 20:07:31,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 20:07:31,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 20:07:31,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 20:07:31,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 20:07:31,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 20:07:31,792 INFO L87 Difference]: Start difference. First operand 462 states and 591 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 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 20:07:31,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 20:07:31,822 INFO L93 Difference]: Finished difference Result 871 states and 1125 transitions. [2021-11-22 20:07:31,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 20:07:31,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2021-11-22 20:07:31,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 20:07:31,824 INFO L225 Difference]: With dead ends: 871 [2021-11-22 20:07:31,824 INFO L226 Difference]: Without dead ends: 463 [2021-11-22 20:07:31,825 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 20:07:31,826 INFO L933 BasicCegarLoop]: 587 mSDtfsCounter, 0 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1169 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 20:07:31,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1169 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 20:07:31,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2021-11-22 20:07:31,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 463. [2021-11-22 20:07:31,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 446 states have (on average 1.3273542600896862) internal successors, (592), 462 states have internal predecessors, (592), 0 states have call successors, (0), 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 20:07:31,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 592 transitions. [2021-11-22 20:07:31,848 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 592 transitions. Word has length 75 [2021-11-22 20:07:31,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 20:07:31,849 INFO L470 AbstractCegarLoop]: Abstraction has 463 states and 592 transitions. [2021-11-22 20:07:31,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 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 20:07:31,849 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 592 transitions. [2021-11-22 20:07:31,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 20:07:31,850 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 20:07:31,850 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 20:07:31,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-22 20:07:31,851 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-22 20:07:31,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 20:07:31,852 INFO L85 PathProgramCache]: Analyzing trace with hash -131258541, now seen corresponding path program 1 times [2021-11-22 20:07:31,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 20:07:31,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322887135] [2021-11-22 20:07:31,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:07:31,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 20:07:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 20:07:32,473 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 20:07:32,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 20:07:32,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322887135] [2021-11-22 20:07:32,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322887135] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 20:07:32,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63639577] [2021-11-22 20:07:32,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:07:32,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 20:07:32,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 20:07:32,476 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 20:07:32,499 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 20:07:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 20:07:33,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 2543 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-22 20:07:33,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 20:07:33,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 20:07:33,250 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 20:07:33,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63639577] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 20:07:33,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 20:07:33,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2021-11-22 20:07:33,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665107237] [2021-11-22 20:07:33,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 20:07:33,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 20:07:33,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 20:07:33,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 20:07:33,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 20:07:33,253 INFO L87 Difference]: Start difference. First operand 463 states and 592 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 20:07:33,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 20:07:33,339 INFO L93 Difference]: Finished difference Result 901 states and 1155 transitions. [2021-11-22 20:07:33,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 20:07:33,340 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 20:07:33,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 20:07:33,342 INFO L225 Difference]: With dead ends: 901 [2021-11-22 20:07:33,342 INFO L226 Difference]: Without dead ends: 463 [2021-11-22 20:07:33,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-22 20:07:33,343 INFO L933 BasicCegarLoop]: 587 mSDtfsCounter, 1 mSDsluCounter, 1123 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1710 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 20:07:33,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 1710 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 20:07:33,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2021-11-22 20:07:33,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 460. [2021-11-22 20:07:33,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 443 states have (on average 1.325056433408578) internal successors, (587), 459 states have internal predecessors, (587), 0 states have call successors, (0), 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 20:07:33,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 587 transitions. [2021-11-22 20:07:33,369 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 587 transitions. Word has length 76 [2021-11-22 20:07:33,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 20:07:33,369 INFO L470 AbstractCegarLoop]: Abstraction has 460 states and 587 transitions. [2021-11-22 20:07:33,369 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 20:07:33,370 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 587 transitions. [2021-11-22 20:07:33,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 20:07:33,370 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 20:07:33,370 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 20:07:33,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-22 20:07:33,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-22 20:07:33,586 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-22 20:07:33,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 20:07:33,586 INFO L85 PathProgramCache]: Analyzing trace with hash 786896422, now seen corresponding path program 1 times [2021-11-22 20:07:33,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 20:07:33,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421643568] [2021-11-22 20:07:33,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:07:33,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 20:07:33,661 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 20:07:33,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [313552924] [2021-11-22 20:07:33,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:07:33,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 20:07:33,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 20:07:33,662 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 20:07:33,675 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 20:07:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 20:07:34,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 2631 conjuncts, 240 conjunts are in the unsatisfiable core [2021-11-22 20:07:34,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 20:07:34,873 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 0 case distinctions, treesize of input 29 treesize of output 28 [2021-11-22 20:07:34,880 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 21 treesize of output 17 [2021-11-22 20:07:34,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-11-22 20:07:34,890 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 11 treesize of output 7 [2021-11-22 20:07:35,749 INFO L354 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2021-11-22 20:07:35,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 359 treesize of output 322 [2021-11-22 20:07:35,817 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-22 20:07:35,818 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 361 treesize of output 334 [2021-11-22 20:07:35,875 INFO L354 Elim1Store]: treesize reduction 568, result has 10.8 percent of original size [2021-11-22 20:07:35,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 375 treesize of output 370 [2021-11-22 20:07:35,903 INFO L354 Elim1Store]: treesize reduction 63, result has 14.9 percent of original size [2021-11-22 20:07:35,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 384 treesize of output 356 [2021-11-22 20:07:35,940 INFO L354 Elim1Store]: treesize reduction 52, result has 34.2 percent of original size [2021-11-22 20:07:35,941 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 3 case distinctions, treesize of input 386 treesize of output 370 [2021-11-22 20:07:35,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 400 treesize of output 402 [2021-11-22 20:07:35,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 402 treesize of output 404 [2021-11-22 20:07:36,008 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 11 treesize of output 3 [2021-11-22 20:07:36,045 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 11 treesize of output 3 [2021-11-22 20:07:36,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 20:07:36,114 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 20:07:36,115 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 2 case distinctions, treesize of input 36 treesize of output 46 [2021-11-22 20:07:36,144 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 11 treesize of output 3 [2021-11-22 20:07:36,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 20:07:36,212 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 0 case distinctions, treesize of input 19 treesize of output 15 [2021-11-22 20:07:36,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 20:07:36,283 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 0 case distinctions, treesize of input 29 treesize of output 21 [2021-11-22 20:07:36,292 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 11 treesize of output 3 [2021-11-22 20:07:36,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 20:07:36,392 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 0 case distinctions, treesize of input 37 treesize of output 29 [2021-11-22 20:07:36,406 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 11 treesize of output 3 [2021-11-22 20:07:36,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 20:07:36,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 20:07:36,448 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 20:07:36,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 46 [2021-11-22 20:07:36,470 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 11 treesize of output 3 [2021-11-22 20:07:36,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 20:07:36,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 20:07:36,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 20:07:36,557 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 20:07:36,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 105 treesize of output 55 [2021-11-22 20:07:36,921 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 20:07:36,922 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 59 treesize of output 46 [2021-11-22 20:07:36,928 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 20:07:36,928 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 40 treesize of output 31 [2021-11-22 20:07:37,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 20:07:37,052 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 20:07:37,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 20:07:37,157 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 54 treesize of output 54 [2021-11-22 20:07:37,183 INFO L354 Elim1Store]: treesize reduction 42, result has 20.8 percent of original size [2021-11-22 20:07:37,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 72 [2021-11-22 20:07:37,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 20:07:37,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 73 treesize of output 83 [2021-11-22 20:07:37,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 20:07:37,247 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 0 case distinctions, treesize of input 56 treesize of output 44 [2021-11-22 20:07:37,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 20:07:37,252 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 43 treesize of output 33 [2021-11-22 20:07:37,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 20:07:37,610 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 20:07:37,611 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 46 treesize of output 26 [2021-11-22 20:07:37,665 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 20:07:37,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 20:07:37,867 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2847 (Array Int Int))) (< 0 (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_aws_hash_iter_begin_~#iter~1#1.base| v_ArrVal_2847) |c_ULTIMATE.start_aws_hash_iter_begin_~state~11#1.base|) (+ 40 |c_ULTIMATE.start_aws_hash_iter_begin_~state~11#1.offset|)) 18446744073709551616))) is different from false [2021-11-22 20:07:37,919 WARN L838 $PredicateComparison]: unable to prove that (or (<= 18446744073709551615 (mod |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr1336#1| 18446744073709551616)) (forall ((v_ArrVal_2847 (Array Int Int)) (v_ArrVal_2846 (Array Int Int))) (< 0 (mod (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| v_ArrVal_2846) |c_ULTIMATE.start_aws_hash_iter_begin_~#iter~1#1.base| v_ArrVal_2847) |c_ULTIMATE.start_aws_hash_iter_begin_~state~11#1.base|) (+ 40 |c_ULTIMATE.start_aws_hash_iter_begin_~state~11#1.offset|)) 18446744073709551616)))) is different from false [2021-11-22 20:07:37,954 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2847 (Array Int Int)) (|v_ULTIMATE.start_aws_hash_iter_begin_~#iter~1#1.base_12| Int)) (or (< 0 (mod (select (select (store |c_#memory_int| |v_ULTIMATE.start_aws_hash_iter_begin_~#iter~1#1.base_12| v_ArrVal_2847) (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_hash_iter_begin_~map#1.base|) |c_ULTIMATE.start_aws_hash_iter_begin_~map#1.offset|)) (+ 40 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_aws_hash_iter_begin_~map#1.base|) |c_ULTIMATE.start_aws_hash_iter_begin_~map#1.offset|))) 18446744073709551616)) (<= |v_ULTIMATE.start_aws_hash_iter_begin_~#iter~1#1.base_12| |c_#StackHeapBarrier|))) is different from false [2021-11-22 20:07:38,124 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2847 (Array Int Int)) (v_ArrVal_2828 Int) (v_ArrVal_2844 (Array Int Int)) (v_ArrVal_2831 (Array Int Int)) (v_ArrVal_2830 Int) (|v_ULTIMATE.start_aws_hash_iter_begin_~#iter~1#1.base_12| Int)) (or (< 0 (mod (let ((.cse3 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|)) (.cse4 (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|) 8))) (let ((.cse5 (store |c_#memory_$Pointer$.base| .cse3 (store (select |c_#memory_$Pointer$.base| .cse3) .cse4 |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base|)))) (let ((.cse2 (store |c_#memory_$Pointer$.offset| .cse3 (store (select |c_#memory_$Pointer$.offset| .cse3) .cse4 |#funAddr~uninterpreted_equals_assert_inputs_nonnull.offset|))) (.cse1 (select (select .cse5 |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|))) (select (select (store (let ((.cse0 (store |c_#memory_int| .cse3 (store (select |c_#memory_int| .cse3) .cse4 v_ArrVal_2828)))) (store .cse0 .cse1 (store (select .cse0 .cse1) (select (select .cse2 |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|) v_ArrVal_2830))) |v_ULTIMATE.start_aws_hash_iter_begin_~#iter~1#1.base_12| v_ArrVal_2847) (select (select (store .cse5 .cse1 v_ArrVal_2831) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|)) (+ 40 (select (select (store .cse2 .cse1 v_ArrVal_2844) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|)))))) 18446744073709551616)) (<= |v_ULTIMATE.start_aws_hash_iter_begin_~#iter~1#1.base_12| |c_#StackHeapBarrier|))) is different from false [2021-11-22 20:07:38,159 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_2847 (Array Int Int)) (v_ArrVal_2828 Int) (v_ArrVal_2844 (Array Int Int)) (v_ArrVal_2831 (Array Int Int)) (v_ArrVal_2830 Int) (|v_ULTIMATE.start_aws_hash_iter_begin_~#iter~1#1.base_12| Int)) (or (< 0 (mod (let ((.cse3 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|)) (.cse4 (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|) 8))) (let ((.cse5 (store |c_#memory_$Pointer$.base| .cse3 (store (select |c_#memory_$Pointer$.base| .cse3) .cse4 |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base|)))) (let ((.cse2 (store |c_#memory_$Pointer$.offset| .cse3 (store (select |c_#memory_$Pointer$.offset| .cse3) .cse4 |#funAddr~uninterpreted_equals_assert_inputs_nonnull.offset|))) (.cse1 (select (select .cse5 |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|))) (select (select (store (let ((.cse0 (store |c_#memory_int| .cse3 (store (select |c_#memory_int| .cse3) .cse4 v_ArrVal_2828)))) (store .cse0 .cse1 (store (select .cse0 .cse1) (select (select .cse2 |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|) v_ArrVal_2830))) |v_ULTIMATE.start_aws_hash_iter_begin_~#iter~1#1.base_12| v_ArrVal_2847) (select (select (store .cse5 .cse1 v_ArrVal_2831) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|)) (+ 40 (select (select (store .cse2 .cse1 v_ArrVal_2844) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|)))))) 18446744073709551616)) (<= |v_ULTIMATE.start_aws_hash_iter_begin_~#iter~1#1.base_12| |c_#StackHeapBarrier|))) (= (mod |c_ULTIMATE.start_assume_abort_if_not_~cond#1| 256) 0)) is different from false [2021-11-22 20:07:38,197 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_2847 (Array Int Int)) (v_ArrVal_2828 Int) (v_ArrVal_2844 (Array Int Int)) (v_ArrVal_2831 (Array Int Int)) (v_ArrVal_2830 Int) (|v_ULTIMATE.start_aws_hash_iter_begin_~#iter~1#1.base_12| Int)) (or (< 0 (mod (let ((.cse3 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|)) (.cse4 (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|) 8))) (let ((.cse5 (store |c_#memory_$Pointer$.base| .cse3 (store (select |c_#memory_$Pointer$.base| .cse3) .cse4 |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base|)))) (let ((.cse2 (store |c_#memory_$Pointer$.offset| .cse3 (store (select |c_#memory_$Pointer$.offset| .cse3) .cse4 |#funAddr~uninterpreted_equals_assert_inputs_nonnull.offset|))) (.cse1 (select (select .cse5 |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|))) (select (select (store (let ((.cse0 (store |c_#memory_int| .cse3 (store (select |c_#memory_int| .cse3) .cse4 v_ArrVal_2828)))) (store .cse0 .cse1 (store (select .cse0 .cse1) (select (select .cse2 |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|) v_ArrVal_2830))) |v_ULTIMATE.start_aws_hash_iter_begin_~#iter~1#1.base_12| v_ArrVal_2847) (select (select (store .cse5 .cse1 v_ArrVal_2831) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|)) (+ 40 (select (select (store .cse2 .cse1 v_ArrVal_2844) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|)))))) 18446744073709551616)) (<= |v_ULTIMATE.start_aws_hash_iter_begin_~#iter~1#1.base_12| |c_#StackHeapBarrier|))) (= (mod |c_ULTIMATE.start_aws_hash_table_is_valid_#res#1| 256) 0)) is different from false [2021-11-22 20:07:38,360 WARN L838 $PredicateComparison]: unable to prove that (or (= (mod |c_ULTIMATE.start_hash_table_state_is_valid_#res#1| 256) 0) (forall ((v_ArrVal_2847 (Array Int Int)) (v_ArrVal_2828 Int) (v_ArrVal_2844 (Array Int Int)) (v_ArrVal_2831 (Array Int Int)) (v_ArrVal_2830 Int) (|v_ULTIMATE.start_aws_hash_iter_begin_~#iter~1#1.base_12| Int)) (or (< 0 (mod (let ((.cse3 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|)) (.cse4 (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|) 8))) (let ((.cse5 (store |c_#memory_$Pointer$.base| .cse3 (store (select |c_#memory_$Pointer$.base| .cse3) .cse4 |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base|)))) (let ((.cse2 (store |c_#memory_$Pointer$.offset| .cse3 (store (select |c_#memory_$Pointer$.offset| .cse3) .cse4 |#funAddr~uninterpreted_equals_assert_inputs_nonnull.offset|))) (.cse1 (select (select .cse5 |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|))) (select (select (store (let ((.cse0 (store |c_#memory_int| .cse3 (store (select |c_#memory_int| .cse3) .cse4 v_ArrVal_2828)))) (store .cse0 .cse1 (store (select .cse0 .cse1) (select (select .cse2 |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|) v_ArrVal_2830))) |v_ULTIMATE.start_aws_hash_iter_begin_~#iter~1#1.base_12| v_ArrVal_2847) (select (select (store .cse5 .cse1 v_ArrVal_2831) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|)) (+ 40 (select (select (store .cse2 .cse1 v_ArrVal_2844) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|)))))) 18446744073709551616)) (<= |v_ULTIMATE.start_aws_hash_iter_begin_~#iter~1#1.base_12| |c_#StackHeapBarrier|)))) is different from false [2021-11-22 20:07:38,498 WARN L838 $PredicateComparison]: unable to prove that (or (= (mod |c_ULTIMATE.start_hash_table_state_is_valid_~size_at_least_two~0#1| 256) 0) (forall ((v_ArrVal_2847 (Array Int Int)) (v_ArrVal_2828 Int) (v_ArrVal_2844 (Array Int Int)) (v_ArrVal_2831 (Array Int Int)) (v_ArrVal_2830 Int) (|v_ULTIMATE.start_aws_hash_iter_begin_~#iter~1#1.base_12| Int)) (or (< 0 (mod (let ((.cse3 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|)) (.cse4 (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|) 8))) (let ((.cse5 (store |c_#memory_$Pointer$.base| .cse3 (store (select |c_#memory_$Pointer$.base| .cse3) .cse4 |#funAddr~uninterpreted_equals_assert_inputs_nonnull.base|)))) (let ((.cse2 (store |c_#memory_$Pointer$.offset| .cse3 (store (select |c_#memory_$Pointer$.offset| .cse3) .cse4 |#funAddr~uninterpreted_equals_assert_inputs_nonnull.offset|))) (.cse1 (select (select .cse5 |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|))) (select (select (store (let ((.cse0 (store |c_#memory_int| .cse3 (store (select |c_#memory_int| .cse3) .cse4 v_ArrVal_2828)))) (store .cse0 .cse1 (store (select .cse0 .cse1) (select (select .cse2 |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|) v_ArrVal_2830))) |v_ULTIMATE.start_aws_hash_iter_begin_~#iter~1#1.base_12| v_ArrVal_2847) (select (select (store .cse5 .cse1 v_ArrVal_2831) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|)) (+ 40 (select (select (store .cse2 .cse1 v_ArrVal_2844) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_foreach_harness_~#map~0#1.offset|)))))) 18446744073709551616)) (<= |v_ULTIMATE.start_aws_hash_iter_begin_~#iter~1#1.base_12| |c_#StackHeapBarrier|)))) is different from false [2021-11-22 20:07:38,989 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 20:07:38,990 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 689 treesize of output 649 [2021-11-22 20:07:40,548 INFO L354 Elim1Store]: treesize reduction 207, result has 51.2 percent of original size [2021-11-22 20:07:40,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 2027 treesize of output 1823 [2021-11-22 20:08:04,784 WARN L227 SmtUtils]: Spent 24.20s on a formula simplification. DAG size of input: 153 DAG size of output: 114 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-22 20:08:04,785 INFO L354 Elim1Store]: treesize reduction 267, result has 50.7 percent of original size [2021-11-22 20:08:04,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 5 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 14731 treesize of output 11323 [2021-11-22 20:08:29,605 WARN L227 SmtUtils]: Spent 21.42s on a formula simplification. DAG size of input: 184 DAG size of output: 120 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-22 20:08:29,606 INFO L354 Elim1Store]: treesize reduction 347, result has 51.9 percent of original size [2021-11-22 20:08:29,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 3815006 treesize of output 3696042 [2021-11-22 20:08:36,373 WARN L227 SmtUtils]: Spent 6.75s on a formula simplification that was a NOOP. DAG size: 9941 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-22 20:08:40,620 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 20:08:40,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 4906837 treesize of output 4548340 [2021-11-22 20:09:01,481 WARN L227 SmtUtils]: Spent 20.84s on a formula simplification. DAG size of input: 10014 DAG size of output: 10012 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-22 20:09:05,265 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 20:09:05,275 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 4808219 treesize of output 4759602 [2021-11-22 20:09:16,458 WARN L227 SmtUtils]: Spent 11.17s on a formula simplification that was a NOOP. DAG size: 10143 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-22 20:09:27,630 WARN L227 SmtUtils]: Spent 11.15s on a formula simplification that was a NOOP. DAG size: 10140 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-22 20:09:30,134 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 20:09:30,145 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 5041374 treesize of output 4985593 [2021-11-22 20:09:42,116 WARN L227 SmtUtils]: Spent 11.96s on a formula simplification that was a NOOP. DAG size: 10216 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-22 20:09:53,977 WARN L227 SmtUtils]: Spent 11.84s on a formula simplification that was a NOOP. DAG size: 10213 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-22 20:09:59,860 WARN L227 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-22 20:09:59,860 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 20:09:59,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 5929889 treesize of output 5652404 [2021-11-22 20:10:30,109 WARN L227 SmtUtils]: Spent 30.23s on a formula simplification. DAG size of input: 10260 DAG size of output: 10252 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-22 20:11:39,576 WARN L227 SmtUtils]: Spent 1.11m on a formula simplification. DAG size of input: 281 DAG size of output: 181 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-22 20:11:39,577 INFO L354 Elim1Store]: treesize reduction 683, result has 42.2 percent of original size [2021-11-22 20:11:39,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 6618765 treesize of output 6404829 [2021-11-22 20:11:58,669 WARN L227 SmtUtils]: Spent 19.06s on a formula simplification that was a NOOP. DAG size: 10609 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-22 20:12:00,857 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 20:12:00,868 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 6434188 treesize of output 5843911 [2021-11-22 20:12:39,066 WARN L227 SmtUtils]: Spent 38.18s on a formula simplification. DAG size of input: 10629 DAG size of output: 10619 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-22 20:12:39,943 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 5788547 treesize of output 5466785 [2021-11-22 20:12:59,134 WARN L227 SmtUtils]: Spent 19.18s on a formula simplification that was a NOOP. DAG size: 10633 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-22 20:13:27,126 WARN L227 SmtUtils]: Spent 26.84s on a formula simplification. DAG size of input: 194 DAG size of output: 110 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-22 20:13:27,127 INFO L354 Elim1Store]: treesize reduction 525, result has 33.1 percent of original size [2021-11-22 20:13:27,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 5466785 treesize of output 5031872 [2021-11-22 20:13:47,171 WARN L227 SmtUtils]: Spent 20.02s on a formula simplification that was a NOOP. DAG size: 10681 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-22 20:13:52,847 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 20:13:52,857 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 5435903 treesize of output 5341692 [2021-11-22 20:14:35,156 WARN L227 SmtUtils]: Spent 42.29s on a formula simplification. DAG size of input: 10780 DAG size of output: 10777 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-22 20:14:56,440 WARN L227 SmtUtils]: Spent 21.25s on a formula simplification that was a NOOP. DAG size: 10774 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-22 20:15:00,459 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 20:15:00,471 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 5727571 treesize of output 5629480 [2021-11-22 20:15:45,622 WARN L227 SmtUtils]: Spent 45.14s on a formula simplification. DAG size of input: 10862 DAG size of output: 10854 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-22 20:16:08,140 WARN L227 SmtUtils]: Spent 22.47s on a formula simplification that was a NOOP. DAG size: 10851 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-22 20:16:11,571 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 20:16:11,583 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 5655083 treesize of output 5648254 [2021-11-22 20:16:57,261 WARN L227 SmtUtils]: Spent 45.66s on a formula simplification. DAG size of input: 10932 DAG size of output: 10919 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-22 20:17:20,502 WARN L227 SmtUtils]: Spent 23.20s on a formula simplification that was a NOOP. DAG size: 10916 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-22 20:17:21,126 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 5648105 treesize of output 5491957 [2021-11-22 20:17:44,293 WARN L227 SmtUtils]: Spent 23.15s on a formula simplification that was a NOOP. DAG size: 10915 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-22 20:19:20,410 WARN L227 SmtUtils]: Spent 54.31s on a formula simplification. DAG size of input: 10392 DAG size of output: 10392 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-22 20:20:32,223 WARN L227 SmtUtils]: Spent 31.84s on a formula simplification that was a NOOP. DAG size: 10392 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Killed by 15