/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/list-simple/dll2c_append_unequal.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 14:44:45,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 14:44:45,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 14:44:45,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 14:44:45,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 14:44:45,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 14:44:45,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 14:44:45,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 14:44:45,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 14:44:45,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 14:44:45,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 14:44:45,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 14:44:45,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 14:44:45,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 14:44:45,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 14:44:45,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 14:44:45,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 14:44:45,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 14:44:45,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 14:44:45,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 14:44:45,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 14:44:45,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 14:44:45,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 14:44:45,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 14:44:45,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 14:44:45,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 14:44:45,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 14:44:45,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 14:44:45,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 14:44:45,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 14:44:45,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 14:44:45,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 14:44:45,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 14:44:45,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 14:44:45,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 14:44:45,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 14:44:45,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 14:44:45,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 14:44:45,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 14:44:45,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 14:44:45,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 14:44:45,762 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 14:44:45,818 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 14:44:45,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 14:44:45,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 14:44:45,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 14:44:45,824 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 14:44:45,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 14:44:45,825 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 14:44:45,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 14:44:45,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 14:44:45,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 14:44:45,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 14:44:45,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 14:44:45,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 14:44:45,828 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 14:44:45,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 14:44:45,828 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 14:44:45,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 14:44:45,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 14:44:45,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 14:44:45,829 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 14:44:45,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 14:44:45,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 14:44:45,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 14:44:45,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 14:44:45,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 14:44:45,831 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 14:44:45,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 14:44:45,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 14:44:45,832 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 14:44:45,832 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 14:44:46,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 14:44:46,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 14:44:46,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 14:44:46,325 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 14:44:46,326 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 14:44:46,327 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_append_unequal.i [2020-10-28 14:44:46,408 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6da76ef92/ca4250fd1cb04cbbb129e6c32bb77fbc/FLAG0a319da0d [2020-10-28 14:44:47,129 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 14:44:47,129 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/dll2c_append_unequal.i [2020-10-28 14:44:47,147 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6da76ef92/ca4250fd1cb04cbbb129e6c32bb77fbc/FLAG0a319da0d [2020-10-28 14:44:47,332 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6da76ef92/ca4250fd1cb04cbbb129e6c32bb77fbc [2020-10-28 14:44:47,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 14:44:47,342 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 14:44:47,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 14:44:47,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 14:44:47,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 14:44:47,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:44:47" (1/1) ... [2020-10-28 14:44:47,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65554c33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:44:47, skipping insertion in model container [2020-10-28 14:44:47,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:44:47" (1/1) ... [2020-10-28 14:44:47,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 14:44:47,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 14:44:47,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:44:47,748 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 14:44:47,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:44:47,868 INFO L208 MainTranslator]: Completed translation [2020-10-28 14:44:47,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:44:47 WrapperNode [2020-10-28 14:44:47,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 14:44:47,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 14:44:47,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 14:44:47,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 14:44:47,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:44:47" (1/1) ... [2020-10-28 14:44:47,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:44:47" (1/1) ... [2020-10-28 14:44:47,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:44:47" (1/1) ... [2020-10-28 14:44:47,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:44:47" (1/1) ... [2020-10-28 14:44:47,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:44:47" (1/1) ... [2020-10-28 14:44:47,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:44:47" (1/1) ... [2020-10-28 14:44:47,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:44:47" (1/1) ... [2020-10-28 14:44:47,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 14:44:47,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 14:44:47,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 14:44:47,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 14:44:47,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:44:47" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-28 14:44:48,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 14:44:48,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 14:44:48,028 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 14:44:48,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-28 14:44:48,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-28 14:44:48,028 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-28 14:44:48,028 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-28 14:44:48,029 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2020-10-28 14:44:48,029 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2020-10-28 14:44:48,029 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_append [2020-10-28 14:44:48,029 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 14:44:48,029 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 14:44:48,030 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 14:44:48,030 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 14:44:48,030 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 14:44:48,030 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 14:44:48,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 14:44:48,030 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-28 14:44:48,031 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-28 14:44:48,031 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-28 14:44:48,031 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-28 14:44:48,031 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-28 14:44:48,031 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-28 14:44:48,031 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-28 14:44:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-28 14:44:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-28 14:44:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-28 14:44:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-28 14:44:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-28 14:44:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-28 14:44:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-28 14:44:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-28 14:44:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-28 14:44:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-28 14:44:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-28 14:44:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-28 14:44:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-28 14:44:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-28 14:44:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-28 14:44:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-28 14:44:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-28 14:44:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-28 14:44:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-28 14:44:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-28 14:44:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-28 14:44:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-28 14:44:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-28 14:44:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-28 14:44:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-28 14:44:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-28 14:44:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-28 14:44:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-28 14:44:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-28 14:44:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-28 14:44:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-28 14:44:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-28 14:44:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-28 14:44:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-28 14:44:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-28 14:44:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-28 14:44:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-28 14:44:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-28 14:44:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-28 14:44:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-28 14:44:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-28 14:44:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-28 14:44:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-28 14:44:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-28 14:44:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-28 14:44:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 14:44:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 14:44:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-28 14:44:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 14:44:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-28 14:44:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-28 14:44:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-28 14:44:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-28 14:44:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-28 14:44:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-28 14:44:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-28 14:44:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-28 14:44:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 14:44:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-28 14:44:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-28 14:44:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-28 14:44:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-28 14:44:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-28 14:44:48,043 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-28 14:44:48,043 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-28 14:44:48,043 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-28 14:44:48,043 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-28 14:44:48,043 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-28 14:44:48,043 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-28 14:44:48,044 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-28 14:44:48,044 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-28 14:44:48,044 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-28 14:44:48,044 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-28 14:44:48,044 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-28 14:44:48,044 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-28 14:44:48,044 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-28 14:44:48,045 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-28 14:44:48,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-28 14:44:48,045 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-28 14:44:48,045 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-28 14:44:48,045 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-28 14:44:48,045 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-28 14:44:48,046 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-28 14:44:48,046 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-28 14:44:48,046 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-28 14:44:48,046 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-28 14:44:48,046 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-28 14:44:48,046 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-28 14:44:48,047 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-28 14:44:48,047 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-28 14:44:48,047 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-28 14:44:48,047 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-28 14:44:48,047 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-28 14:44:48,047 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-28 14:44:48,048 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-28 14:44:48,048 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-28 14:44:48,048 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-28 14:44:48,048 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-28 14:44:48,048 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-28 14:44:48,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 14:44:48,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 14:44:48,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 14:44:48,049 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2020-10-28 14:44:48,049 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2020-10-28 14:44:48,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 14:44:48,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 14:44:48,049 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_append [2020-10-28 14:44:48,050 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 14:44:48,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 14:44:48,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 14:44:48,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 14:44:48,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 14:44:48,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 14:44:48,596 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-28 14:44:48,857 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 14:44:48,858 INFO L298 CfgBuilder]: Removed 3 assume(true) statements. [2020-10-28 14:44:48,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:44:48 BoogieIcfgContainer [2020-10-28 14:44:48,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 14:44:48,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 14:44:48,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 14:44:48,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 14:44:48,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 02:44:47" (1/3) ... [2020-10-28 14:44:48,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c6fc755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:44:48, skipping insertion in model container [2020-10-28 14:44:48,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:44:47" (2/3) ... [2020-10-28 14:44:48,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c6fc755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:44:48, skipping insertion in model container [2020-10-28 14:44:48,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:44:48" (3/3) ... [2020-10-28 14:44:48,871 INFO L111 eAbstractionObserver]: Analyzing ICFG dll2c_append_unequal.i [2020-10-28 14:44:48,884 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 14:44:48,889 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 14:44:48,903 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 14:44:48,940 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 14:44:48,941 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 14:44:48,941 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 14:44:48,941 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 14:44:48,941 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 14:44:48,941 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 14:44:48,942 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 14:44:48,942 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 14:44:48,961 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-10-28 14:44:48,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-28 14:44:48,968 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:44:48,970 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 14:44:48,970 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:44:48,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:44:48,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1148461348, now seen corresponding path program 1 times [2020-10-28 14:44:48,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:44:48,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2046608575] [2020-10-28 14:44:48,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:44:49,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:44:49,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:44:49,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:44:50,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:44:54,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:44:54,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 14:44:54,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 14:44:54,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 14:44:54,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:44:54,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:44:54,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:44:54,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:44:54,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 14:44:54,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 14:44:54,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:44:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:44:54,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:44:54,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:44:54,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:44:54,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:44:54,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 14:44:54,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:44:54,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:44:54,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:44:54,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:44:54,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:44:54,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:44:54,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:44:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:44:54,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:44:54,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:44:54,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 14:44:54,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:44:54,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-28 14:44:54,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:44:54,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:44:54,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:44:54,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 14:44:54,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 14:44:54,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 14:44:54,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:44:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:44:54,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:44:54,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:44:54,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:44:54,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:44:54,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 14:44:54,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:44:54,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:44:54,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:44:54,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:44:54,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:44:54,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:44:54,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 14:44:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:44:54,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:44:54,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:44:54,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 14:44:54,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:44:54,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 14:44:54,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:44:54,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:44:54,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:44:54,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 14:44:54,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:44:54,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:44:54,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:44:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:44:54,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:44:54,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:44:54,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:44:54,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:44:54,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 14:44:54,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:44:54,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:44:54,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:44:54,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:44:54,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:44:54,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:44:54,614 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 14:44:54,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2046608575] [2020-10-28 14:44:54,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:44:54,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 14:44:54,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963206689] [2020-10-28 14:44:54,624 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 14:44:54,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:44:54,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 14:44:54,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-28 14:44:54,662 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 7 states. [2020-10-28 14:44:55,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:44:55,068 INFO L93 Difference]: Finished difference Result 116 states and 149 transitions. [2020-10-28 14:44:55,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 14:44:55,070 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2020-10-28 14:44:55,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:44:55,079 INFO L225 Difference]: With dead ends: 116 [2020-10-28 14:44:55,079 INFO L226 Difference]: Without dead ends: 48 [2020-10-28 14:44:55,083 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-28 14:44:55,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-28 14:44:55,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2020-10-28 14:44:55,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-28 14:44:55,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2020-10-28 14:44:55,133 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 38 [2020-10-28 14:44:55,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:44:55,133 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2020-10-28 14:44:55,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 14:44:55,134 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2020-10-28 14:44:55,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-28 14:44:55,136 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:44:55,136 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:44:55,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 14:44:55,137 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:44:55,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:44:55,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1094006512, now seen corresponding path program 1 times [2020-10-28 14:44:55,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:44:55,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1212883510] [2020-10-28 14:44:55,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:44:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:44:55,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:44:55,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:44:56,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:44:56,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-28 14:44:56,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:44:56,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1515 [2020-10-28 14:44:56,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:44:56,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:44:56,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-28 14:44:56,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:44:56,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-28 14:44:56,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:44:56,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:44:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:44:56,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:44:56,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:44:56,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:44:56,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:44:56,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:44:56,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:44:56,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:44:56,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:44:56,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:44:56,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:44:56,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:44:56,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:44:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:44:56,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:44:56,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:44:57,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:44:57,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 14:44:57,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:44:57,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 580 [2020-10-28 14:44:57,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:44:57,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:44:57,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 14:44:57,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:44:57,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 14:44:57,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:44:57,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:44:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:44:57,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:44:57,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:44:57,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:44:57,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:44:57,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:44:57,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:44:57,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:44:57,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:44:57,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:44:57,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:44:57,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:44:57,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:44:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:44:57,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:44:57,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:44:57,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:44:57,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:44:57,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:44:57,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 14:44:57,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:44:57,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:44:57,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:44:57,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:44:57,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:44:57,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:44:57,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 14:44:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:44:57,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:44:57,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:44:57,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 14:44:57,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:44:57,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-10-28 14:44:57,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:44:57,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:44:57,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-28 14:44:57,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:44:57,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 14:44:57,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:44:57,863 ERROR L253 erpolLogProxyWrapper]: Interpolant 5 not inductive [2020-10-28 14:44:57,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 14:44:57,864 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:851) at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:155) at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:256) at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:150) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:378) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-10-28 14:44:57,874 INFO L168 Benchmark]: Toolchain (without parser) took 10532.89 ms. Allocated memory was 151.0 MB in the beginning and 353.4 MB in the end (delta: 202.4 MB). Free memory was 132.9 MB in the beginning and 169.4 MB in the end (delta: -36.6 MB). Peak memory consumption was 165.7 MB. Max. memory is 8.0 GB. [2020-10-28 14:44:57,875 INFO L168 Benchmark]: CDTParser took 0.66 ms. Allocated memory is still 151.0 MB. Free memory is still 123.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 14:44:57,877 INFO L168 Benchmark]: CACSL2BoogieTranslator took 526.28 ms. Allocated memory is still 151.0 MB. Free memory was 132.3 MB in the beginning and 120.0 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.8 MB. Max. memory is 8.0 GB. [2020-10-28 14:44:57,878 INFO L168 Benchmark]: Boogie Preprocessor took 73.45 ms. Allocated memory is still 151.0 MB. Free memory was 120.0 MB in the beginning and 116.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-28 14:44:57,879 INFO L168 Benchmark]: RCFGBuilder took 916.83 ms. Allocated memory was 151.0 MB in the beginning and 187.7 MB in the end (delta: 36.7 MB). Free memory was 116.9 MB in the beginning and 147.0 MB in the end (delta: -30.1 MB). Peak memory consumption was 35.3 MB. Max. memory is 8.0 GB. [2020-10-28 14:44:57,881 INFO L168 Benchmark]: TraceAbstraction took 9005.84 ms. Allocated memory was 187.7 MB in the beginning and 353.4 MB in the end (delta: 165.7 MB). Free memory was 147.0 MB in the beginning and 169.4 MB in the end (delta: -22.4 MB). Peak memory consumption was 142.7 MB. Max. memory is 8.0 GB. [2020-10-28 14:44:57,894 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 ms. Allocated memory is still 151.0 MB. Free memory is still 123.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 526.28 ms. Allocated memory is still 151.0 MB. Free memory was 132.3 MB in the beginning and 120.0 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 73.45 ms. Allocated memory is still 151.0 MB. Free memory was 120.0 MB in the beginning and 116.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 916.83 ms. Allocated memory was 151.0 MB in the beginning and 187.7 MB in the end (delta: 36.7 MB). Free memory was 116.9 MB in the beginning and 147.0 MB in the end (delta: -30.1 MB). Peak memory consumption was 35.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 9005.84 ms. Allocated memory was 187.7 MB in the beginning and 353.4 MB in the end (delta: 165.7 MB). Free memory was 147.0 MB in the beginning and 169.4 MB in the end (delta: -22.4 MB). Peak memory consumption was 142.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...