./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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_array_list_pop_front_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 971edb75bb0f677639f0c3e5b019bf9afe7575a35e63ddba584727b568db50c6 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 22:06:23,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 22:06:23,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 22:06:24,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 22:06:24,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 22:06:24,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 22:06:24,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 22:06:24,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 22:06:24,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 22:06:24,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 22:06:24,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 22:06:24,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 22:06:24,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 22:06:24,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 22:06:24,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 22:06:24,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 22:06:24,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 22:06:24,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 22:06:24,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 22:06:24,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 22:06:24,044 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 22:06:24,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 22:06:24,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 22:06:24,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 22:06:24,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 22:06:24,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 22:06:24,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 22:06:24,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 22:06:24,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 22:06:24,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 22:06:24,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 22:06:24,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 22:06:24,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 22:06:24,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 22:06:24,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 22:06:24,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 22:06:24,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 22:06:24,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 22:06:24,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 22:06:24,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 22:06:24,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 22:06:24,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 22:06:24,061 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-22 22:06:24,086 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 22:06:24,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 22:06:24,086 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 22:06:24,086 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 22:06:24,087 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 22:06:24,087 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 22:06:24,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 22:06:24,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 22:06:24,088 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 22:06:24,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 22:06:24,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 22:06:24,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 22:06:24,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 22:06:24,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 22:06:24,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 22:06:24,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 22:06:24,090 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 22:06:24,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 22:06:24,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 22:06:24,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 22:06:24,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 22:06:24,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:06:24,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 22:06:24,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 22:06:24,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 22:06:24,092 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 22:06:24,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 22:06:24,092 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 22:06:24,093 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 22:06:24,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 22:06:24,093 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 971edb75bb0f677639f0c3e5b019bf9afe7575a35e63ddba584727b568db50c6 [2022-07-22 22:06:24,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 22:06:24,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 22:06:24,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 22:06:24,272 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 22:06:24,272 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 22:06:24,273 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i [2022-07-22 22:06:24,321 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6af49455b/a4070b5bcffa4993b3f5aa275f3a9658/FLAGbccf193ec [2022-07-22 22:06:24,860 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 22:06:24,860 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i [2022-07-22 22:06:24,882 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6af49455b/a4070b5bcffa4993b3f5aa275f3a9658/FLAGbccf193ec [2022-07-22 22:06:25,085 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6af49455b/a4070b5bcffa4993b3f5aa275f3a9658 [2022-07-22 22:06:25,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 22:06:25,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 22:06:25,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 22:06:25,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 22:06:25,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 22:06:25,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:06:25" (1/1) ... [2022-07-22 22:06:25,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eaf838d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:06:25, skipping insertion in model container [2022-07-22 22:06:25,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:06:25" (1/1) ... [2022-07-22 22:06:25,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 22:06:25,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 22:06:25,351 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_array_list_pop_front_harness.i[4498,4511] [2022-07-22 22:06:25,355 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_array_list_pop_front_harness.i[4558,4571] [2022-07-22 22:06:25,830 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-22 22:06:25,886 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:25,888 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:25,889 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:25,892 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:25,893 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:25,901 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:25,906 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:25,908 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:25,909 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:25,910 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:25,911 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:25,911 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:25,912 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:26,123 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-22 22:06:26,124 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-22 22:06:26,125 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-22 22:06:26,126 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-22 22:06:26,127 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-22 22:06:26,127 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-22 22:06:26,128 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-22 22:06:26,129 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-22 22:06:26,129 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-22 22:06:26,130 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-22 22:06:26,222 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:26,228 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:26,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:06:26,293 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 22:06:26,300 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_array_list_pop_front_harness.i[4498,4511] [2022-07-22 22:06:26,301 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_array_list_pop_front_harness.i[4558,4571] [2022-07-22 22:06:26,365 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-22 22:06:26,386 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:26,387 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:26,387 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:26,388 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:26,388 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:26,392 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:26,393 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:26,393 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:26,393 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:26,397 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:26,398 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:26,398 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:26,399 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:26,419 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-22 22:06:26,420 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-22 22:06:26,420 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-22 22:06:26,421 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-22 22:06:26,421 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-22 22:06:26,422 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-22 22:06:26,422 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-22 22:06:26,422 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-22 22:06:26,423 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-22 22:06:26,423 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-22 22:06:26,451 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:26,460 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:26,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:06:26,608 INFO L208 MainTranslator]: Completed translation [2022-07-22 22:06:26,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:06:26 WrapperNode [2022-07-22 22:06:26,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 22:06:26,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 22:06:26,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 22:06:26,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 22:06:26,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:06:26" (1/1) ... [2022-07-22 22:06:26,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:06:26" (1/1) ... [2022-07-22 22:06:26,752 INFO L137 Inliner]: procedures = 691, calls = 1684, calls flagged for inlining = 51, calls inlined = 10, statements flattened = 684 [2022-07-22 22:06:26,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 22:06:26,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 22:06:26,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 22:06:26,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 22:06:26,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:06:26" (1/1) ... [2022-07-22 22:06:26,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:06:26" (1/1) ... [2022-07-22 22:06:26,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:06:26" (1/1) ... [2022-07-22 22:06:26,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:06:26" (1/1) ... [2022-07-22 22:06:26,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:06:26" (1/1) ... [2022-07-22 22:06:26,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:06:26" (1/1) ... [2022-07-22 22:06:26,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:06:26" (1/1) ... [2022-07-22 22:06:26,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 22:06:26,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 22:06:26,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 22:06:26,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 22:06:26,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:06:26" (1/1) ... [2022-07-22 22:06:26,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:06:26,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:06:26,876 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) [2022-07-22 22:06:26,891 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 [2022-07-22 22:06:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure memmove_impl [2022-07-22 22:06:26,918 INFO L138 BoogieDeclarations]: Found implementation of procedure memmove_impl [2022-07-22 22:06:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 22:06:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-07-22 22:06:26,919 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-07-22 22:06:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-07-22 22:06:26,920 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-07-22 22:06:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-07-22 22:06:26,920 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-07-22 22:06:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 22:06:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-07-22 22:06:26,921 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-07-22 22:06:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-22 22:06:26,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-22 22:06:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 22:06:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 22:06:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 22:06:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 22:06:26,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 22:06:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-22 22:06:26,922 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-22 22:06:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-07-22 22:06:26,922 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-07-22 22:06:26,923 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-07-22 22:06:26,923 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-07-22 22:06:26,923 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-07-22 22:06:26,923 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-07-22 22:06:26,923 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-22 22:06:26,923 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-22 22:06:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 22:06:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 22:06:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 22:06:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-07-22 22:06:26,924 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-07-22 22:06:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-07-22 22:06:26,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-07-22 22:06:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 22:06:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure my_memmove [2022-07-22 22:06:26,924 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memmove [2022-07-22 22:06:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_front [2022-07-22 22:06:26,925 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_front [2022-07-22 22:06:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-07-22 22:06:26,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-07-22 22:06:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 22:06:27,153 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 22:06:27,154 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 22:06:27,784 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 22:06:27,792 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 22:06:27,792 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 22:06:27,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:06:27 BoogieIcfgContainer [2022-07-22 22:06:27,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 22:06:27,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 22:06:27,796 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 22:06:27,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 22:06:27,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 10:06:25" (1/3) ... [2022-07-22 22:06:27,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d091d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:06:27, skipping insertion in model container [2022-07-22 22:06:27,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:06:26" (2/3) ... [2022-07-22 22:06:27,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d091d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:06:27, skipping insertion in model container [2022-07-22 22:06:27,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:06:27" (3/3) ... [2022-07-22 22:06:27,801 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_pop_front_harness.i [2022-07-22 22:06:27,810 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 22:06:27,810 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 22:06:27,867 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 22:06:27,874 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@57876faa, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@48dd170e [2022-07-22 22:06:27,875 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 22:06:27,881 INFO L276 IsEmpty]: Start isEmpty. Operand has 185 states, 110 states have (on average 1.2) internal successors, (132), 111 states have internal predecessors, (132), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2022-07-22 22:06:27,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-07-22 22:06:27,890 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:06:27,891 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:06:27,891 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:06:27,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:06:27,903 INFO L85 PathProgramCache]: Analyzing trace with hash 928387541, now seen corresponding path program 1 times [2022-07-22 22:06:27,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:06:27,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635781557] [2022-07-22 22:06:27,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:06:27,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:06:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:28,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:06:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:28,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 22:06:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:28,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 22:06:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:28,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 22:06:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:28,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 22:06:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:28,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-22 22:06:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:28,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-22 22:06:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:28,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-22 22:06:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:28,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-22 22:06:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:28,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 22:06:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:28,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-22 22:06:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:28,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-22 22:06:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:28,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 22:06:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:28,465 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-07-22 22:06:28,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:06:28,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635781557] [2022-07-22 22:06:28,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635781557] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:06:28,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:06:28,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 22:06:28,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470701139] [2022-07-22 22:06:28,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:06:28,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 22:06:28,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:06:28,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 22:06:28,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 22:06:28,493 INFO L87 Difference]: Start difference. First operand has 185 states, 110 states have (on average 1.2) internal successors, (132), 111 states have internal predecessors, (132), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 22:06:29,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:06:29,002 INFO L93 Difference]: Finished difference Result 413 states and 633 transitions. [2022-07-22 22:06:29,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 22:06:29,005 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 84 [2022-07-22 22:06:29,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:06:29,019 INFO L225 Difference]: With dead ends: 413 [2022-07-22 22:06:29,019 INFO L226 Difference]: Without dead ends: 230 [2022-07-22 22:06:29,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 22:06:29,028 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 70 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 22:06:29,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 352 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 22:06:29,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2022-07-22 22:06:29,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 180. [2022-07-22 22:06:29,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 106 states have (on average 1.1886792452830188) internal successors, (126), 107 states have internal predecessors, (126), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2022-07-22 22:06:29,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 239 transitions. [2022-07-22 22:06:29,087 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 239 transitions. Word has length 84 [2022-07-22 22:06:29,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:06:29,087 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 239 transitions. [2022-07-22 22:06:29,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 22:06:29,088 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 239 transitions. [2022-07-22 22:06:29,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-07-22 22:06:29,090 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:06:29,090 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:06:29,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 22:06:29,090 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:06:29,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:06:29,091 INFO L85 PathProgramCache]: Analyzing trace with hash -734960815, now seen corresponding path program 1 times [2022-07-22 22:06:29,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:06:29,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892641061] [2022-07-22 22:06:29,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:06:29,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:06:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:29,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:06:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:29,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 22:06:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:29,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 22:06:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:29,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 22:06:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:29,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 22:06:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:29,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-22 22:06:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:29,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-22 22:06:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:29,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-22 22:06:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:29,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-22 22:06:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:29,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 22:06:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:29,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-22 22:06:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:29,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-22 22:06:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:29,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 22:06:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:29,343 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-07-22 22:06:29,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:06:29,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892641061] [2022-07-22 22:06:29,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892641061] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 22:06:29,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566393228] [2022-07-22 22:06:29,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:06:29,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:06:29,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:06:29,345 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) [2022-07-22 22:06:29,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 22:06:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:29,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 2131 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 22:06:29,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:06:29,777 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-22 22:06:29,777 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:06:29,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566393228] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:06:29,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 22:06:29,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2022-07-22 22:06:29,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236283344] [2022-07-22 22:06:29,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:06:29,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 22:06:29,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:06:29,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 22:06:29,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-07-22 22:06:29,782 INFO L87 Difference]: Start difference. First operand 180 states and 239 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-22 22:06:29,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:06:30,000 INFO L93 Difference]: Finished difference Result 325 states and 446 transitions. [2022-07-22 22:06:30,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 22:06:30,000 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 84 [2022-07-22 22:06:30,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:06:30,002 INFO L225 Difference]: With dead ends: 325 [2022-07-22 22:06:30,002 INFO L226 Difference]: Without dead ends: 182 [2022-07-22 22:06:30,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2022-07-22 22:06:30,004 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 245 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 22:06:30,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 706 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 22:06:30,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-07-22 22:06:30,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2022-07-22 22:06:30,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 107 states have (on average 1.1869158878504673) internal successors, (127), 109 states have internal predecessors, (127), 57 states have call successors, (57), 16 states have call predecessors, (57), 17 states have return successors, (66), 56 states have call predecessors, (66), 56 states have call successors, (66) [2022-07-22 22:06:30,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 250 transitions. [2022-07-22 22:06:30,016 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 250 transitions. Word has length 84 [2022-07-22 22:06:30,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:06:30,017 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 250 transitions. [2022-07-22 22:06:30,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-22 22:06:30,017 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 250 transitions. [2022-07-22 22:06:30,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-07-22 22:06:30,018 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:06:30,018 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:06:30,059 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-22 22:06:30,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:06:30,236 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:06:30,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:06:30,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1141222523, now seen corresponding path program 1 times [2022-07-22 22:06:30,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:06:30,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502321196] [2022-07-22 22:06:30,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:06:30,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:06:30,280 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:06:30,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1416654741] [2022-07-22 22:06:30,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:06:30,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:06:30,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:06:30,282 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) [2022-07-22 22:06:30,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 22:06:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:30,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 2272 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 22:06:30,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:06:30,684 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-07-22 22:06:30,684 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:06:30,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:06:30,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502321196] [2022-07-22 22:06:30,686 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-22 22:06:30,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416654741] [2022-07-22 22:06:30,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416654741] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:06:30,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:06:30,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 22:06:30,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080680128] [2022-07-22 22:06:30,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:06:30,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 22:06:30,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:06:30,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 22:06:30,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-22 22:06:30,690 INFO L87 Difference]: Start difference. First operand 182 states and 250 transitions. Second operand has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2022-07-22 22:06:30,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:06:30,997 INFO L93 Difference]: Finished difference Result 317 states and 440 transitions. [2022-07-22 22:06:30,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 22:06:30,997 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 99 [2022-07-22 22:06:30,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:06:31,002 INFO L225 Difference]: With dead ends: 317 [2022-07-22 22:06:31,002 INFO L226 Difference]: Without dead ends: 182 [2022-07-22 22:06:31,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-07-22 22:06:31,004 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 265 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 22:06:31,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 934 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 22:06:31,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-07-22 22:06:31,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2022-07-22 22:06:31,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 107 states have (on average 1.1869158878504673) internal successors, (127), 109 states have internal predecessors, (127), 57 states have call successors, (57), 16 states have call predecessors, (57), 17 states have return successors, (63), 56 states have call predecessors, (63), 56 states have call successors, (63) [2022-07-22 22:06:31,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 247 transitions. [2022-07-22 22:06:31,030 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 247 transitions. Word has length 99 [2022-07-22 22:06:31,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:06:31,030 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 247 transitions. [2022-07-22 22:06:31,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2022-07-22 22:06:31,031 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 247 transitions. [2022-07-22 22:06:31,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-22 22:06:31,032 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:06:31,032 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:06:31,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-22 22:06:31,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-07-22 22:06:31,232 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:06:31,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:06:31,233 INFO L85 PathProgramCache]: Analyzing trace with hash 232916013, now seen corresponding path program 2 times [2022-07-22 22:06:31,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:06:31,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942577305] [2022-07-22 22:06:31,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:06:31,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:06:31,274 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:06:31,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [837408616] [2022-07-22 22:06:31,274 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 22:06:31,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:06:31,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:06:31,275 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) [2022-07-22 22:06:31,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-22 22:06:31,784 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 22:06:31,785 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 22:06:31,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 2413 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-22 22:06:31,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:06:31,896 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-22 22:06:31,896 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:06:31,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:06:31,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942577305] [2022-07-22 22:06:31,896 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-22 22:06:31,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837408616] [2022-07-22 22:06:31,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837408616] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:06:31,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:06:31,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-22 22:06:31,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314905636] [2022-07-22 22:06:31,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:06:31,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 22:06:31,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:06:31,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 22:06:31,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-22 22:06:31,898 INFO L87 Difference]: Start difference. First operand 182 states and 247 transitions. Second operand has 10 states, 10 states have (on average 4.6) internal successors, (46), 8 states have internal predecessors, (46), 5 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2022-07-22 22:06:32,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:06:32,274 INFO L93 Difference]: Finished difference Result 326 states and 450 transitions. [2022-07-22 22:06:32,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-22 22:06:32,275 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 8 states have internal predecessors, (46), 5 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) Word has length 114 [2022-07-22 22:06:32,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:06:32,277 INFO L225 Difference]: With dead ends: 326 [2022-07-22 22:06:32,277 INFO L226 Difference]: Without dead ends: 194 [2022-07-22 22:06:32,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2022-07-22 22:06:32,278 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 283 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 1236 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 22:06:32,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 1236 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 22:06:32,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-07-22 22:06:32,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2022-07-22 22:06:32,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 113 states have (on average 1.1858407079646018) internal successors, (134), 115 states have internal predecessors, (134), 62 states have call successors, (62), 17 states have call predecessors, (62), 18 states have return successors, (68), 61 states have call predecessors, (68), 61 states have call successors, (68) [2022-07-22 22:06:32,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 264 transitions. [2022-07-22 22:06:32,289 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 264 transitions. Word has length 114 [2022-07-22 22:06:32,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:06:32,289 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 264 transitions. [2022-07-22 22:06:32,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 8 states have internal predecessors, (46), 5 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2022-07-22 22:06:32,289 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 264 transitions. [2022-07-22 22:06:32,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-07-22 22:06:32,303 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:06:32,303 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:06:32,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-22 22:06:32,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:06:32,504 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:06:32,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:06:32,504 INFO L85 PathProgramCache]: Analyzing trace with hash -159680425, now seen corresponding path program 1 times [2022-07-22 22:06:32,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:06:32,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162128905] [2022-07-22 22:06:32,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:06:32,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:06:32,559 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:06:32,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [665381459] [2022-07-22 22:06:32,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:06:32,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:06:32,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:06:32,574 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) [2022-07-22 22:06:32,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-22 22:06:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:06:33,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 2695 conjuncts, 331 conjunts are in the unsatisfiable core [2022-07-22 22:06:33,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:06:33,483 INFO L390 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-07-22 22:06:33,627 INFO L390 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 [2022-07-22 22:06:34,133 INFO L356 Elim1Store]: treesize reduction 53, result has 32.9 percent of original size [2022-07-22 22:06:34,133 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 53 [2022-07-22 22:06:34,141 INFO L390 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 6 treesize of output 5 [2022-07-22 22:06:34,323 INFO L356 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-07-22 22:06:34,323 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 37 [2022-07-22 22:06:38,634 INFO L356 Elim1Store]: treesize reduction 276, result has 36.0 percent of original size [2022-07-22 22:06:38,634 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 193 treesize of output 360 [2022-07-22 22:06:38,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 22:06:38,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:06:38,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:06:38,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:06:38,826 INFO L356 Elim1Store]: treesize reduction 28, result has 52.5 percent of original size [2022-07-22 22:06:38,826 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 370 treesize of output 411 [2022-07-22 22:07:04,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 22:07:04,572 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 68 [2022-07-22 22:07:04,578 INFO L390 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 19 treesize of output 17 [2022-07-22 22:07:05,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:07:05,256 INFO L356 Elim1Store]: treesize reduction 24, result has 52.0 percent of original size [2022-07-22 22:07:05,256 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 93 treesize of output 93 [2022-07-22 22:07:06,215 INFO L390 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 30 treesize of output 26 [2022-07-22 22:07:06,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:07:06,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:07:06,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:07:06,560 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 53 [2022-07-22 22:07:07,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:07:07,277 INFO L244 Elim1Store]: Index analysis took 122 ms [2022-07-22 22:07:10,463 INFO L356 Elim1Store]: treesize reduction 24, result has 52.0 percent of original size [2022-07-22 22:07:10,464 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 93 treesize of output 93 [2022-07-22 22:07:11,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:07:11,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:07:11,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:07:11,561 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 98 [2022-07-22 22:07:12,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:07:12,722 INFO L244 Elim1Store]: Index analysis took 174 ms [2022-07-22 22:07:12,829 INFO L356 Elim1Store]: treesize reduction 49, result has 2.0 percent of original size [2022-07-22 22:07:12,829 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 93 treesize of output 1 [2022-07-22 22:07:13,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:07:13,181 INFO L356 Elim1Store]: treesize reduction 49, result has 2.0 percent of original size [2022-07-22 22:07:13,181 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 93 treesize of output 1 [2022-07-22 22:07:14,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 22:07:14,252 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 68 [2022-07-22 22:07:14,292 INFO L390 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 19 treesize of output 17 [2022-07-22 22:07:16,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:07:16,410 INFO L356 Elim1Store]: treesize reduction 32, result has 36.0 percent of original size [2022-07-22 22:07:16,410 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 93 treesize of output 85 [2022-07-22 22:07:16,643 INFO L390 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 17 treesize of output 15 [2022-07-22 22:07:17,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:07:17,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:07:17,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:07:17,153 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 45 [2022-07-22 22:07:19,119 INFO L356 Elim1Store]: treesize reduction 32, result has 36.0 percent of original size [2022-07-22 22:07:19,119 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 93 treesize of output 85 [2022-07-22 22:07:19,144 INFO L390 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 17 treesize of output 15 [2022-07-22 22:07:19,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:07:19,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:07:19,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:07:19,613 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 45 [2022-07-22 22:07:20,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:07:20,402 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-07-22 22:07:20,403 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 73 [2022-07-22 22:07:20,424 INFO L390 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 19 treesize of output 17 [2022-07-22 22:07:21,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:07:21,597 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-07-22 22:07:21,597 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 73 [2022-07-22 22:07:21,673 INFO L390 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 19 treesize of output 17 [2022-07-22 22:07:23,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:07:23,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:07:23,071 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 73 [2022-07-22 22:07:23,082 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-22 22:07:23,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:07:23,785 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-07-22 22:07:23,786 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 73 [2022-07-22 22:07:23,846 INFO L390 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 19 treesize of output 17 [2022-07-22 22:07:24,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 22:07:24,406 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 68 [2022-07-22 22:07:24,575 INFO L390 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 19 treesize of output 17 [2022-07-22 22:07:26,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 22:07:26,760 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 68 [2022-07-22 22:07:26,770 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-22 22:07:27,426 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-07-22 22:07:27,426 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 73 [2022-07-22 22:07:27,465 INFO L390 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 19 treesize of output 17