java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/list-properties/list_search-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:03:28,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:03:28,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:03:28,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:03:28,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:03:28,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:03:28,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:03:28,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:03:28,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:03:28,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:03:28,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:03:28,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:03:28,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:03:28,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:03:28,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:03:28,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:03:28,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:03:28,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:03:28,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:03:28,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:03:28,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:03:28,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:03:28,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:03:28,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:03:28,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:03:28,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:03:28,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:03:28,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:03:28,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:03:28,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:03:28,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:03:28,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:03:28,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:03:28,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:03:28,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:03:28,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:03:28,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:03:28,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:03:28,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:03:28,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:03:28,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:03:28,621 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:03:28,636 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:03:28,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:03:28,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:03:28,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:03:28,638 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:03:28,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:03:28,638 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:03:28,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:03:28,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:03:28,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:03:28,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:03:28,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:03:28,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:03:28,639 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:03:28,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:03:28,640 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:03:28,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:03:28,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:03:28,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:03:28,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:03:28,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:03:28,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:03:28,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:03:28,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:03:28,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:03:28,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:03:28,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:03:28,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:03:28,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:03:28,917 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:03:28,930 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:03:28,934 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:03:28,935 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:03:28,936 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:03:28,936 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/list_search-2.i [2019-10-15 01:03:29,014 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3dcf0033/5e590378327640f18107944508807217/FLAG3a363391e [2019-10-15 01:03:29,661 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:03:29,663 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-properties/list_search-2.i [2019-10-15 01:03:29,687 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3dcf0033/5e590378327640f18107944508807217/FLAG3a363391e [2019-10-15 01:03:29,878 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3dcf0033/5e590378327640f18107944508807217 [2019-10-15 01:03:29,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:03:29,895 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:03:29,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:03:29,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:03:29,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:03:29,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:03:29" (1/1) ... [2019-10-15 01:03:29,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67b06789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:29, skipping insertion in model container [2019-10-15 01:03:29,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:03:29" (1/1) ... [2019-10-15 01:03:29,914 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:03:29,971 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:03:30,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:03:30,581 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:03:30,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:03:30,750 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:03:30,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:30 WrapperNode [2019-10-15 01:03:30,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:03:30,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:03:30,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:03:30,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:03:30,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:30" (1/1) ... [2019-10-15 01:03:30,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:30" (1/1) ... [2019-10-15 01:03:30,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:30" (1/1) ... [2019-10-15 01:03:30,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:30" (1/1) ... [2019-10-15 01:03:30,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:30" (1/1) ... [2019-10-15 01:03:30,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:30" (1/1) ... [2019-10-15 01:03:30,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:30" (1/1) ... [2019-10-15 01:03:30,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:03:30,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:03:30,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:03:30,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:03:30,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:03:30,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:03:30,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:03:30,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 01:03:30,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-15 01:03:30,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-15 01:03:30,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-10-15 01:03:30,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-10-15 01:03:30,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-10-15 01:03:30,921 INFO L138 BoogieDeclarations]: Found implementation of procedure search_list [2019-10-15 01:03:30,921 INFO L138 BoogieDeclarations]: Found implementation of procedure delete_list [2019-10-15 01:03:30,922 INFO L138 BoogieDeclarations]: Found implementation of procedure insert_list [2019-10-15 01:03:30,922 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:03:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:03:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 01:03:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2019-10-15 01:03:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2019-10-15 01:03:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2019-10-15 01:03:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2019-10-15 01:03:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2019-10-15 01:03:30,924 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2019-10-15 01:03:30,926 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2019-10-15 01:03:30,927 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2019-10-15 01:03:30,927 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2019-10-15 01:03:30,927 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2019-10-15 01:03:30,927 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2019-10-15 01:03:30,928 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2019-10-15 01:03:30,928 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2019-10-15 01:03:30,928 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2019-10-15 01:03:30,928 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2019-10-15 01:03:30,928 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2019-10-15 01:03:30,929 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2019-10-15 01:03:30,929 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2019-10-15 01:03:30,929 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2019-10-15 01:03:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2019-10-15 01:03:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2019-10-15 01:03:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2019-10-15 01:03:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2019-10-15 01:03:30,932 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2019-10-15 01:03:30,932 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2019-10-15 01:03:30,933 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2019-10-15 01:03:30,933 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2019-10-15 01:03:30,933 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2019-10-15 01:03:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-10-15 01:03:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2019-10-15 01:03:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2019-10-15 01:03:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2019-10-15 01:03:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2019-10-15 01:03:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2019-10-15 01:03:30,935 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2019-10-15 01:03:30,935 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2019-10-15 01:03:30,935 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2019-10-15 01:03:30,935 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2019-10-15 01:03:30,935 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:03:30,936 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-15 01:03:30,936 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2019-10-15 01:03:30,936 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2019-10-15 01:03:30,936 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2019-10-15 01:03:30,936 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-15 01:03:30,936 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-10-15 01:03:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2019-10-15 01:03:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2019-10-15 01:03:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2019-10-15 01:03:30,938 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2019-10-15 01:03:30,938 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-15 01:03:30,938 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2019-10-15 01:03:30,938 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2019-10-15 01:03:30,938 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2019-10-15 01:03:30,939 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2019-10-15 01:03:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-10-15 01:03:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2019-10-15 01:03:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2019-10-15 01:03:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2019-10-15 01:03:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2019-10-15 01:03:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2019-10-15 01:03:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2019-10-15 01:03:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2019-10-15 01:03:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2019-10-15 01:03:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2019-10-15 01:03:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2019-10-15 01:03:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2019-10-15 01:03:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2019-10-15 01:03:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2019-10-15 01:03:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2019-10-15 01:03:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2019-10-15 01:03:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2019-10-15 01:03:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2019-10-15 01:03:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 01:03:30,946 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2019-10-15 01:03:30,946 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2019-10-15 01:03:30,946 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2019-10-15 01:03:30,947 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2019-10-15 01:03:30,947 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2019-10-15 01:03:30,947 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2019-10-15 01:03:30,947 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2019-10-15 01:03:30,947 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2019-10-15 01:03:30,947 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2019-10-15 01:03:30,948 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2019-10-15 01:03:30,948 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2019-10-15 01:03:30,948 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2019-10-15 01:03:30,948 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2019-10-15 01:03:30,948 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2019-10-15 01:03:30,948 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2019-10-15 01:03:30,948 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2019-10-15 01:03:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2019-10-15 01:03:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2019-10-15 01:03:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2019-10-15 01:03:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2019-10-15 01:03:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2019-10-15 01:03:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2019-10-15 01:03:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2019-10-15 01:03:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2019-10-15 01:03:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2019-10-15 01:03:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2019-10-15 01:03:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2019-10-15 01:03:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-15 01:03:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-15 01:03:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-15 01:03:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-15 01:03:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-15 01:03:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-15 01:03:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-15 01:03:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-15 01:03:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-15 01:03:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-15 01:03:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-15 01:03:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-15 01:03:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-15 01:03:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-15 01:03:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-15 01:03:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-15 01:03:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-15 01:03:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-15 01:03:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-10-15 01:03:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-10-15 01:03:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-10-15 01:03:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-15 01:03:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-15 01:03:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-15 01:03:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-15 01:03:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-15 01:03:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-15 01:03:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-15 01:03:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-15 01:03:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-15 01:03:30,970 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-15 01:03:30,970 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-15 01:03:30,970 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-15 01:03:30,970 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-15 01:03:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-15 01:03:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-15 01:03:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-15 01:03:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-15 01:03:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-15 01:03:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-15 01:03:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-15 01:03:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-15 01:03:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-15 01:03:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-15 01:03:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-15 01:03:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-15 01:03:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-15 01:03:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-15 01:03:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-15 01:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-15 01:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-15 01:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-15 01:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-15 01:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-15 01:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-15 01:03:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:03:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 01:03:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-15 01:03:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:03:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-15 01:03:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-15 01:03:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-15 01:03:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-15 01:03:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-15 01:03:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-15 01:03:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-15 01:03:30,978 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-15 01:03:30,978 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 01:03:30,978 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-15 01:03:30,978 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-15 01:03:30,978 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-15 01:03:30,978 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-15 01:03:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-15 01:03:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-15 01:03:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-15 01:03:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-15 01:03:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-15 01:03:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-15 01:03:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-15 01:03:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-15 01:03:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-15 01:03:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-15 01:03:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-15 01:03:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-15 01:03:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-15 01:03:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-15 01:03:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-15 01:03:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-15 01:03:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-15 01:03:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-15 01:03:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-15 01:03:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-15 01:03:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-15 01:03:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-15 01:03:30,984 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-15 01:03:30,984 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-15 01:03:30,985 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-15 01:03:30,985 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-15 01:03:30,985 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-15 01:03:30,985 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-15 01:03:30,985 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-15 01:03:30,985 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-15 01:03:30,985 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-15 01:03:30,985 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-15 01:03:30,985 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-15 01:03:30,985 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-15 01:03:30,986 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-15 01:03:30,986 INFO L130 BoogieDeclarations]: Found specification of procedure search_list [2019-10-15 01:03:30,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:03:30,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:03:30,986 INFO L130 BoogieDeclarations]: Found specification of procedure delete_list [2019-10-15 01:03:30,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:03:30,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:03:30,987 INFO L130 BoogieDeclarations]: Found specification of procedure insert_list [2019-10-15 01:03:30,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:03:30,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:03:30,987 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:03:30,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:03:30,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:03:31,660 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:03:31,661 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 01:03:31,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:03:31 BoogieIcfgContainer [2019-10-15 01:03:31,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:03:31,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:03:31,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:03:31,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:03:31,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:03:29" (1/3) ... [2019-10-15 01:03:31,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dd762ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:03:31, skipping insertion in model container [2019-10-15 01:03:31,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:30" (2/3) ... [2019-10-15 01:03:31,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dd762ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:03:31, skipping insertion in model container [2019-10-15 01:03:31,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:03:31" (3/3) ... [2019-10-15 01:03:31,671 INFO L109 eAbstractionObserver]: Analyzing ICFG list_search-2.i [2019-10-15 01:03:31,681 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:03:31,691 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:03:31,703 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:03:31,730 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:03:31,730 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:03:31,730 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:03:31,730 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:03:31,731 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:03:31,731 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:03:31,731 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:03:31,731 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:03:31,752 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2019-10-15 01:03:31,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 01:03:31,760 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:03:31,761 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 01:03:31,763 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:03:31,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:31,770 INFO L82 PathProgramCache]: Analyzing trace with hash 694957185, now seen corresponding path program 1 times [2019-10-15 01:03:31,781 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:03:31,781 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867937524] [2019-10-15 01:03:31,782 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:31,782 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:31,782 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:03:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:32,108 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-15 01:03:32,109 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867937524] [2019-10-15 01:03:32,112 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:03:32,112 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:03:32,113 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529852464] [2019-10-15 01:03:32,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:03:32,121 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:03:32,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:03:32,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:03:32,137 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 2 states. [2019-10-15 01:03:32,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:03:32,163 INFO L93 Difference]: Finished difference Result 84 states and 109 transitions. [2019-10-15 01:03:32,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:03:32,165 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-15 01:03:32,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:03:32,177 INFO L225 Difference]: With dead ends: 84 [2019-10-15 01:03:32,177 INFO L226 Difference]: Without dead ends: 34 [2019-10-15 01:03:32,183 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:03:32,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-10-15 01:03:32,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-10-15 01:03:32,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-10-15 01:03:32,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2019-10-15 01:03:32,228 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 46 [2019-10-15 01:03:32,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:03:32,230 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2019-10-15 01:03:32,230 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:03:32,230 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2019-10-15 01:03:32,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-15 01:03:32,232 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:03:32,232 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 01:03:32,233 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:03:32,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:32,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1251884926, now seen corresponding path program 1 times [2019-10-15 01:03:32,233 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:03:32,233 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130708391] [2019-10-15 01:03:32,234 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:32,234 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:32,234 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:03:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:32,445 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 01:03:32,447 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130708391] [2019-10-15 01:03:32,447 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:03:32,447 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:03:32,447 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465396143] [2019-10-15 01:03:32,451 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:03:32,451 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:03:32,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:03:32,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:03:32,452 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. Second operand 5 states. [2019-10-15 01:03:32,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:03:32,588 INFO L93 Difference]: Finished difference Result 63 states and 78 transitions. [2019-10-15 01:03:32,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:03:32,589 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2019-10-15 01:03:32,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:03:32,591 INFO L225 Difference]: With dead ends: 63 [2019-10-15 01:03:32,591 INFO L226 Difference]: Without dead ends: 38 [2019-10-15 01:03:32,597 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:03:32,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-10-15 01:03:32,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2019-10-15 01:03:32,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-10-15 01:03:32,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2019-10-15 01:03:32,618 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 48 [2019-10-15 01:03:32,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:03:32,619 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2019-10-15 01:03:32,619 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:03:32,619 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2019-10-15 01:03:32,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-15 01:03:32,622 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:03:32,622 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 01:03:32,623 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:03:32,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:32,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1415498856, now seen corresponding path program 1 times [2019-10-15 01:03:32,623 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:03:32,624 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067365638] [2019-10-15 01:03:32,624 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:32,624 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:32,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:03:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:32,986 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-15 01:03:32,987 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067365638] [2019-10-15 01:03:32,987 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:03:32,987 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 01:03:32,988 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778689074] [2019-10-15 01:03:32,988 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 01:03:32,989 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:03:32,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 01:03:32,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:03:32,989 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand 10 states. [2019-10-15 01:03:33,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:03:33,463 INFO L93 Difference]: Finished difference Result 55 states and 63 transitions. [2019-10-15 01:03:33,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-15 01:03:33,464 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 49 [2019-10-15 01:03:33,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:03:33,468 INFO L225 Difference]: With dead ends: 55 [2019-10-15 01:03:33,468 INFO L226 Difference]: Without dead ends: 46 [2019-10-15 01:03:33,469 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2019-10-15 01:03:33,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-10-15 01:03:33,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 40. [2019-10-15 01:03:33,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-10-15 01:03:33,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2019-10-15 01:03:33,478 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 47 transitions. Word has length 49 [2019-10-15 01:03:33,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:03:33,478 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 47 transitions. [2019-10-15 01:03:33,478 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 01:03:33,479 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2019-10-15 01:03:33,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-15 01:03:33,480 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:03:33,480 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 01:03:33,480 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:03:33,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:33,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1022471846, now seen corresponding path program 1 times [2019-10-15 01:03:33,481 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:03:33,481 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233115248] [2019-10-15 01:03:33,481 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:33,481 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:33,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:03:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:33,576 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-15 01:03:33,576 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233115248] [2019-10-15 01:03:33,576 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:03:33,577 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:03:33,577 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890580086] [2019-10-15 01:03:33,577 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:03:33,577 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:03:33,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:03:33,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:03:33,578 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. Second operand 7 states. [2019-10-15 01:03:33,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:03:33,741 INFO L93 Difference]: Finished difference Result 53 states and 61 transitions. [2019-10-15 01:03:33,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:03:33,742 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 49 [2019-10-15 01:03:33,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:03:33,743 INFO L225 Difference]: With dead ends: 53 [2019-10-15 01:03:33,743 INFO L226 Difference]: Without dead ends: 41 [2019-10-15 01:03:33,745 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2019-10-15 01:03:33,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-10-15 01:03:33,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2019-10-15 01:03:33,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-10-15 01:03:33,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2019-10-15 01:03:33,762 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 49 [2019-10-15 01:03:33,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:03:33,763 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2019-10-15 01:03:33,763 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:03:33,763 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2019-10-15 01:03:33,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:03:33,765 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:03:33,765 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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] [2019-10-15 01:03:33,765 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:03:33,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:33,768 INFO L82 PathProgramCache]: Analyzing trace with hash -1923734059, now seen corresponding path program 1 times [2019-10-15 01:03:33,769 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:03:33,769 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081197992] [2019-10-15 01:03:33,769 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:33,769 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:33,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:03:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:34,065 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-15 01:03:34,065 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081197992] [2019-10-15 01:03:34,065 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584831439] [2019-10-15 01:03:34,065 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:03:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:34,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 21 conjunts are in the unsatisfiable core [2019-10-15 01:03:34,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:03:34,393 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-15 01:03:34,394 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:03:34,519 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-15 01:03:34,519 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:03:34,520 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11, 5] total 15 [2019-10-15 01:03:34,520 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106977666] [2019-10-15 01:03:34,521 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:03:34,521 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:03:34,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:03:34,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2019-10-15 01:03:34,522 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand 5 states. [2019-10-15 01:03:34,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:03:34,627 INFO L93 Difference]: Finished difference Result 74 states and 84 transitions. [2019-10-15 01:03:34,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:03:34,628 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-10-15 01:03:34,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:03:34,629 INFO L225 Difference]: With dead ends: 74 [2019-10-15 01:03:34,629 INFO L226 Difference]: Without dead ends: 43 [2019-10-15 01:03:34,630 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2019-10-15 01:03:34,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-10-15 01:03:34,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-10-15 01:03:34,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-10-15 01:03:34,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2019-10-15 01:03:34,637 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 52 [2019-10-15 01:03:34,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:03:34,637 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2019-10-15 01:03:34,637 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:03:34,638 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2019-10-15 01:03:34,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:03:34,639 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:03:34,639 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 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] [2019-10-15 01:03:34,844 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:03:34,845 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:03:34,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:34,845 INFO L82 PathProgramCache]: Analyzing trace with hash 125653783, now seen corresponding path program 1 times [2019-10-15 01:03:34,846 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:03:34,846 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361093225] [2019-10-15 01:03:34,846 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:34,847 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:34,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:03:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:35,023 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-15 01:03:35,023 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361093225] [2019-10-15 01:03:35,023 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744784304] [2019-10-15 01:03:35,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:03:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:35,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 28 conjunts are in the unsatisfiable core [2019-10-15 01:03:35,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:03:35,250 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:03:35,352 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-10-15 01:03:35,352 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 01:03:35,358 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:03:35,358 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-15 01:03:35,358 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2019-10-15 01:03:35,389 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-15 01:03:35,389 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:03:35,535 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:03:35,541 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2019-10-15 01:03:35,541 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 01:03:35,545 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:03:35,546 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-15 01:03:35,546 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:20, output treesize:8 [2019-10-15 01:03:35,598 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-15 01:03:35,598 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [546061921] [2019-10-15 01:03:35,604 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 53 [2019-10-15 01:03:35,637 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:03:35,638 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:03:35,707 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:03:35,709 INFO L272 AbstractInterpreter]: Visited 8 different actions 8 times. Never merged. Never widened. Performed 43 root evaluator evaluations with a maximum evaluation depth of 0. Performed 43 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 34 variables. [2019-10-15 01:03:35,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:35,714 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:03:35,952 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:03:35,954 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: There is no value of variable insert_list_#in~l.base. at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalState.getValue(NonrelationalState.java:147) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.SingletonVariableExpressionEvaluator.lambda$0(SingletonVariableExpressionEvaluator.java:83) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.util.typeutils.TypeUtils.applyVariableFunctionPerType(TypeUtils.java:114) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.util.typeutils.TypeUtils.applyVariableFunction(TypeUtils.java:103) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.SingletonVariableExpressionEvaluator.evaluate(SingletonVariableExpressionEvaluator.java:89) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.SingletonVariableExpressionEvaluator.evaluate(SingletonVariableExpressionEvaluator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.Evaluator.evaluate(Evaluator.java:96) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalEvaluator.evaluate(NonrelationalEvaluator.java:81) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.handleSingleAssignment(NonrelationalStatementProcessor.java:245) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.handleMultiAssignment(NonrelationalStatementProcessor.java:202) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.handleAssignment(NonrelationalStatementProcessor.java:191) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.processStatement(NonrelationalStatementProcessor.java:153) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:138) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:107) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:422) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:413) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:140) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternalTransitionWithValidState(AbsIntHoareTripleChecker.java:353) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternalAbsInt(AbsIntHoareTripleChecker.java:250) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternal(AbsIntHoareTripleChecker.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.weakener.AbsIntPredicateInterpolantSequenceWeakener.determineInductivity(AbsIntPredicateInterpolantSequenceWeakener.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.weakener.AbsIntPredicateInterpolantSequenceWeakener.refinePreState(AbsIntPredicateInterpolantSequenceWeakener.java:111) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.weakener.AbsIntPredicateInterpolantSequenceWeakener.refinePreState(AbsIntPredicateInterpolantSequenceWeakener.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.weakener.InterpolantSequenceWeakener.generateResult(InterpolantSequenceWeakener.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.weakener.InterpolantSequenceWeakener.(InterpolantSequenceWeakener.java:111) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.weakener.AbsIntPredicateInterpolantSequenceWeakener.(AbsIntPredicateInterpolantSequenceWeakener.java:103) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner$AbsIntCurrentIteration.weakenPredicates(CegarAbsIntRunner.java:580) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner$AbsIntCurrentIteration.createInterpolantGenerator(CegarAbsIntRunner.java:545) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner$AbsIntCurrentIteration.getInterpolantGenerator(CegarAbsIntRunner.java:522) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.getInterpolantGenerator(CegarAbsIntRunner.java:271) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.construct(IpTcStrategyModuleAbstractInterpretation.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-15 01:03:35,965 INFO L168 Benchmark]: Toolchain (without parser) took 6069.44 ms. Allocated memory was 137.9 MB in the beginning and 290.5 MB in the end (delta: 152.6 MB). Free memory was 99.6 MB in the beginning and 180.7 MB in the end (delta: -81.1 MB). Peak memory consumption was 71.5 MB. Max. memory is 7.1 GB. [2019-10-15 01:03:35,965 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-15 01:03:35,968 INFO L168 Benchmark]: CACSL2BoogieTranslator took 854.62 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 99.4 MB in the beginning and 146.5 MB in the end (delta: -47.1 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2019-10-15 01:03:35,971 INFO L168 Benchmark]: Boogie Preprocessor took 108.29 ms. Allocated memory is still 202.4 MB. Free memory was 146.5 MB in the beginning and 142.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:03:35,972 INFO L168 Benchmark]: RCFGBuilder took 802.64 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 142.5 MB in the beginning and 190.9 MB in the end (delta: -48.4 MB). Peak memory consumption was 59.5 MB. Max. memory is 7.1 GB. [2019-10-15 01:03:35,975 INFO L168 Benchmark]: TraceAbstraction took 4299.10 ms. Allocated memory was 234.9 MB in the beginning and 290.5 MB in the end (delta: 55.6 MB). Free memory was 190.9 MB in the beginning and 180.7 MB in the end (delta: 10.2 MB). Peak memory consumption was 65.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:03:35,983 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 854.62 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 99.4 MB in the beginning and 146.5 MB in the end (delta: -47.1 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.29 ms. Allocated memory is still 202.4 MB. Free memory was 146.5 MB in the beginning and 142.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 802.64 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 142.5 MB in the beginning and 190.9 MB in the end (delta: -48.4 MB). Peak memory consumption was 59.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4299.10 ms. Allocated memory was 234.9 MB in the beginning and 290.5 MB in the end (delta: 55.6 MB). Free memory was 190.9 MB in the beginning and 180.7 MB in the end (delta: 10.2 MB). Peak memory consumption was 65.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: There is no value of variable insert_list_#in~l.base. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: There is no value of variable insert_list_#in~l.base.: de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalState.getValue(NonrelationalState.java:147) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...