/usr/bin/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 --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 SingleStatement --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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:34:00,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:34:00,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:34:00,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:34:00,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:34:00,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:34:00,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:34:00,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:34:00,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:34:00,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:34:00,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:34:00,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:34:00,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:34:00,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:34:00,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:34:00,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:34:00,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:34:00,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:34:00,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:34:00,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:34:00,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:34:00,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:34:00,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:34:00,993 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:34:00,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:34:00,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:34:00,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:34:01,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:34:01,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:34:01,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:34:01,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:34:01,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:34:01,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:34:01,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:34:01,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:34:01,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:34:01,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:34:01,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:34:01,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:34:01,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:34:01,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:34:01,013 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 [2020-09-25 14:34:01,063 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:34:01,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:34:01,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:34:01,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:34:01,066 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:34:01,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:34:01,067 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:34:01,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:34:01,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:34:01,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:34:01,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:34:01,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:34:01,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:34:01,070 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:34:01,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:34:01,070 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:34:01,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:34:01,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:34:01,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:34:01,071 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:34:01,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:34:01,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:34:01,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:34:01,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:34:01,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:34:01,072 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:34:01,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:34:01,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:34:01,073 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:34:01,073 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> SingleStatement 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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 14:34:01,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:34:01,580 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:34:01,585 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:34:01,587 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:34:01,587 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:34:01,588 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-2.i [2020-09-25 14:34:01,668 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f159d474e/6140cd6ed21340f58923567694bccf4b/FLAG0077a76d9 [2020-09-25 14:34:02,321 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:34:02,323 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/heap-manipulation/dll_of_dll-2.i [2020-09-25 14:34:02,343 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f159d474e/6140cd6ed21340f58923567694bccf4b/FLAG0077a76d9 [2020-09-25 14:34:02,559 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f159d474e/6140cd6ed21340f58923567694bccf4b [2020-09-25 14:34:02,572 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:34:02,577 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:34:02,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:34:02,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:34:02,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:34:02,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:34:02" (1/1) ... [2020-09-25 14:34:02,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2278f003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:02, skipping insertion in model container [2020-09-25 14:34:02,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:34:02" (1/1) ... [2020-09-25 14:34:02,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:34:02,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:34:03,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:34:03,195 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:34:03,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:34:03,345 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:34:03,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:03 WrapperNode [2020-09-25 14:34:03,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:34:03,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:34:03,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:34:03,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:34:03,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:03" (1/1) ... [2020-09-25 14:34:03,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:03" (1/1) ... [2020-09-25 14:34:03,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:03" (1/1) ... [2020-09-25 14:34:03,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:03" (1/1) ... [2020-09-25 14:34:03,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:03" (1/1) ... [2020-09-25 14:34:03,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:03" (1/1) ... [2020-09-25 14:34:03,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:03" (1/1) ... [2020-09-25 14:34:03,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:34:03,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:34:03,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:34:03,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:34:03,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:03" (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 [2020-09-25 14:34:03,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:34:03,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:34:03,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 14:34:03,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-25 14:34:03,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-25 14:34:03,535 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2020-09-25 14:34:03,535 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_slave [2020-09-25 14:34:03,535 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_master [2020-09-25 14:34:03,536 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_slave [2020-09-25 14:34:03,536 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2020-09-25 14:34:03,536 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2020-09-25 14:34:03,536 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_slave [2020-09-25 14:34:03,536 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_nested_lists [2020-09-25 14:34:03,537 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_reinit_nested_lists [2020-09-25 14:34:03,537 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_master [2020-09-25 14:34:03,537 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2020-09-25 14:34:03,537 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_master [2020-09-25 14:34:03,537 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2020-09-25 14:34:03,538 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_full [2020-09-25 14:34:03,539 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_dangling [2020-09-25 14:34:03,539 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_init [2020-09-25 14:34:03,540 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:34:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:34:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-25 14:34:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-25 14:34:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-25 14:34:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-25 14:34:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-25 14:34:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-25 14:34:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-25 14:34:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-25 14:34:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-25 14:34:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-25 14:34:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-25 14:34:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-25 14:34:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-25 14:34:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-25 14:34:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-25 14:34:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-25 14:34:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-25 14:34:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-25 14:34:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-25 14:34:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-25 14:34:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-25 14:34:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-25 14:34:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-25 14:34:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-25 14:34:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-25 14:34:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-25 14:34:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-25 14:34:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-25 14:34:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-25 14:34:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-25 14:34:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-25 14:34:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-25 14:34:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-25 14:34:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-25 14:34:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-25 14:34:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-25 14:34:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-25 14:34:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-25 14:34:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-25 14:34:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-25 14:34:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-25 14:34:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-25 14:34:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-25 14:34:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-25 14:34:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-25 14:34:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-25 14:34:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-25 14:34:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-25 14:34:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-25 14:34:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-25 14:34:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-25 14:34:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-25 14:34:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 14:34:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 14:34:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-25 14:34:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 14:34:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-25 14:34:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-25 14:34:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-25 14:34:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-25 14:34:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-09-25 14:34:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 14:34:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-25 14:34:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-09-25 14:34:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-25 14:34:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-25 14:34:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-09-25 14:34:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-25 14:34:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-25 14:34:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-25 14:34:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-25 14:34:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-25 14:34:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-25 14:34:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-25 14:34:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-25 14:34:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-25 14:34:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-25 14:34:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-25 14:34:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-25 14:34:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-25 14:34:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-25 14:34:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-25 14:34:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-25 14:34:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-25 14:34:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-25 14:34:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-25 14:34:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-25 14:34:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-25 14:34:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-25 14:34:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-25 14:34:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-25 14:34:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-25 14:34:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-25 14:34:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-25 14:34:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-25 14:34:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-25 14:34:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-25 14:34:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-25 14:34:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-25 14:34:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-25 14:34:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-25 14:34:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-25 14:34:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-25 14:34:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-25 14:34:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-25 14:34:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:34:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2020-09-25 14:34:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_slave [2020-09-25 14:34:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 14:34:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 14:34:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_master [2020-09-25 14:34:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_slave [2020-09-25 14:34:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 14:34:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2020-09-25 14:34:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:34:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 14:34:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 14:34:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:34:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2020-09-25 14:34:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_slave [2020-09-25 14:34:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_nested_lists [2020-09-25 14:34:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure dll_reinit_nested_lists [2020-09-25 14:34:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_master [2020-09-25 14:34:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2020-09-25 14:34:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_master [2020-09-25 14:34:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2020-09-25 14:34:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_full [2020-09-25 14:34:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_dangling [2020-09-25 14:34:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_init [2020-09-25 14:34:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:34:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:34:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:34:04,480 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:34:04,480 INFO L295 CfgBuilder]: Removed 38 assume(true) statements. [2020-09-25 14:34:04,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:34:04 BoogieIcfgContainer [2020-09-25 14:34:04,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:34:04,495 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:34:04,495 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:34:04,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:34:04,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:34:02" (1/3) ... [2020-09-25 14:34:04,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3160e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:34:04, skipping insertion in model container [2020-09-25 14:34:04,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:03" (2/3) ... [2020-09-25 14:34:04,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3160e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:34:04, skipping insertion in model container [2020-09-25 14:34:04,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:34:04" (3/3) ... [2020-09-25 14:34:04,505 INFO L109 eAbstractionObserver]: Analyzing ICFG dll_of_dll-2.i [2020-09-25 14:34:04,517 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:34:04,531 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:34:04,554 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:34:04,591 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:34:04,591 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:34:04,591 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:34:04,591 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:34:04,591 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:34:04,591 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:34:04,591 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:34:04,591 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:34:04,618 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states. [2020-09-25 14:34:04,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-09-25 14:34:04,631 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:34:04,633 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:34:04,633 INFO L427 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:34:04,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:34:04,641 INFO L82 PathProgramCache]: Analyzing trace with hash 575468621, now seen corresponding path program 1 times [2020-09-25 14:34:04,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:34:04,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1717328570] [2020-09-25 14:34:04,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:34:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:05,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:05,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:05,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:06,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:09,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:09,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-25 14:34:09,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:34:09,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-09-25 14:34:09,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:09,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:09,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-25 14:34:09,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 14:34:09,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-25 14:34:09,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 14:34:10,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:34:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:10,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:10,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:10,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:34:10,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:10,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:34:10,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:10,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:10,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:34:10,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:10,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:34:10,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:10,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 14:34:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:10,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:10,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:10,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:10,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:11,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:15,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:15,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-25 14:34:15,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:34:15,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-25 14:34:15,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:15,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:15,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:34:15,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 14:34:15,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-25 14:34:15,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:15,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:34:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:15,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:15,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:15,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:19,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:19,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:20,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:20,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-25 14:34:20,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:34:20,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-25 14:34:20,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:20,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:20,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:34:20,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 14:34:20,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 14:34:20,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:20,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:34:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:20,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:20,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:20,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-25 14:34:20,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:20,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-25 14:34:20,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:20,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:20,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:34:20,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:20,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 14:34:20,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:20,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:34:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:20,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:20,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:20,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 14:34:20,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:20,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 14:34:20,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:20,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:20,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:34:20,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:20,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:34:20,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:20,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:34:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:20,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:20,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:20,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:34:20,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:20,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 14:34:20,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:20,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:20,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:34:20,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:20,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:34:20,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:20,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-25 14:34:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:20,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:20,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:20,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-25 14:34:20,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:20,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-09-25 14:34:20,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:20,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:20,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:34:20,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:20,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-25 14:34:20,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:34:20,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:34:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:20,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:20,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:20,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 14:34:20,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:20,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-25 14:34:20,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:20,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:20,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:34:20,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:20,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 14:34:20,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:20,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:34:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:20,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:20,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:20,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:34:20,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:20,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 14:34:20,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:20,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:20,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:34:20,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:20,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:34:20,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:20,724 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-25 14:34:20,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1717328570] [2020-09-25 14:34:20,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:34:20,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 14:34:20,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168571585] [2020-09-25 14:34:20,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 14:34:20,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:34:20,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 14:34:20,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:34:20,764 INFO L87 Difference]: Start difference. First operand 276 states. Second operand 7 states. [2020-09-25 14:34:22,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:34:22,086 INFO L93 Difference]: Finished difference Result 589 states and 799 transitions. [2020-09-25 14:34:22,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 14:34:22,088 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 85 [2020-09-25 14:34:22,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:34:22,109 INFO L225 Difference]: With dead ends: 589 [2020-09-25 14:34:22,109 INFO L226 Difference]: Without dead ends: 296 [2020-09-25 14:34:22,118 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-09-25 14:34:22,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-09-25 14:34:22,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 276. [2020-09-25 14:34:22,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-09-25 14:34:22,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 307 transitions. [2020-09-25 14:34:22,213 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 307 transitions. Word has length 85 [2020-09-25 14:34:22,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:34:22,213 INFO L479 AbstractCegarLoop]: Abstraction has 276 states and 307 transitions. [2020-09-25 14:34:22,214 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 14:34:22,214 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 307 transitions. [2020-09-25 14:34:22,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-25 14:34:22,225 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:34:22,225 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:34:22,229 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:34:22,229 INFO L427 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:34:22,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:34:22,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1671014528, now seen corresponding path program 1 times [2020-09-25 14:34:22,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:34:22,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [734450298] [2020-09-25 14:34:22,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:34:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:22,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:22,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:23,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:23,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:25,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:27,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:27,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-09-25 14:34:27,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:34:27,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-09-25 14:34:27,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:27,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:27,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-25 14:34:27,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 14:34:27,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-09-25 14:34:27,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:27,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:34:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:27,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:27,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:27,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:34:27,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:27,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:34:27,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:27,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:27,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:34:27,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:27,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:34:27,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:27,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 14:34:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:27,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:28,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:28,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:29,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:32,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:32,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-09-25 14:34:32,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:34:32,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-09-25 14:34:32,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:32,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:32,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-25 14:34:32,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 14:34:32,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-25 14:34:32,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:32,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:34:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:33,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:33,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:35,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:37,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:37,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-09-25 14:34:37,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:34:37,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-09-25 14:34:37,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:37,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:37,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-25 14:34:37,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 14:34:37,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-25 14:34:37,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:34:38,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:34:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:38,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:38,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:38,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:41,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:43,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:43,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-09-25 14:34:43,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:34:43,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 14:34:43,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:43,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:43,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-25 14:34:43,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:43,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-09-25 14:34:43,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:34:43,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:34:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:43,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:43,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:43,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:43,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:48,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:48,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-25 14:34:48,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:34:48,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 14:34:48,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:48,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:48,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 14:34:48,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:48,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-25 14:34:48,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:48,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:34:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:48,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:48,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:48,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:48,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:34:48,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:34:48,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-09-25 14:34:48,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:48,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:48,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:34:48,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:48,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 14:34:48,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:48,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-25 14:34:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:48,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:49,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:50,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking...