/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 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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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 -i ../../../trunk/examples/svcomp/list-simple/sll2c_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 23:40:34,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 23:40:34,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 23:40:34,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 23:40:34,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 23:40:34,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 23:40:34,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 23:40:34,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 23:40:34,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 23:40:34,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 23:40:34,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 23:40:34,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 23:40:34,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 23:40:34,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 23:40:34,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 23:40:34,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 23:40:34,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 23:40:34,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 23:40:34,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 23:40:34,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 23:40:34,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 23:40:34,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 23:40:34,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 23:40:34,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 23:40:34,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 23:40:34,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 23:40:34,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 23:40:34,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 23:40:34,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 23:40:34,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 23:40:34,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 23:40:34,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 23:40:34,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 23:40:34,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 23:40:34,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 23:40:34,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 23:40:34,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 23:40:34,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 23:40:34,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 23:40:34,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 23:40:34,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 23:40:34,505 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 [2020-10-14 23:40:34,529 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 23:40:34,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 23:40:34,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 23:40:34,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 23:40:34,531 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 23:40:34,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 23:40:34,531 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 23:40:34,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 23:40:34,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 23:40:34,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 23:40:34,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 23:40:34,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 23:40:34,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 23:40:34,533 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 23:40:34,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 23:40:34,533 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 23:40:34,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 23:40:34,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 23:40:34,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 23:40:34,534 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 23:40:34,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 23:40:34,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 23:40:34,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 23:40:34,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 23:40:34,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 23:40:34,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 23:40:34,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 23:40:34,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 23:40:34,536 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 23:40:34,536 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 -> 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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 23:40:34,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 23:40:34,967 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 23:40:34,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 23:40:34,973 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 23:40:34,973 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 23:40:34,974 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_update_all_reverse.i [2020-10-14 23:40:35,052 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72dba88fe/9a8312141bae4ce38afb456f319f4e5d/FLAGc46150aff [2020-10-14 23:40:35,606 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 23:40:35,607 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/sll2c_update_all_reverse.i [2020-10-14 23:40:35,624 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72dba88fe/9a8312141bae4ce38afb456f319f4e5d/FLAGc46150aff [2020-10-14 23:40:35,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72dba88fe/9a8312141bae4ce38afb456f319f4e5d [2020-10-14 23:40:35,971 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 23:40:35,973 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 23:40:35,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 23:40:35,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 23:40:35,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 23:40:35,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:40:35" (1/1) ... [2020-10-14 23:40:35,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49215c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:40:35, skipping insertion in model container [2020-10-14 23:40:35,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:40:35" (1/1) ... [2020-10-14 23:40:35,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 23:40:36,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 23:40:36,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:40:36,543 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 23:40:36,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:40:36,649 INFO L208 MainTranslator]: Completed translation [2020-10-14 23:40:36,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:40:36 WrapperNode [2020-10-14 23:40:36,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 23:40:36,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 23:40:36,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 23:40:36,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 23:40:36,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:40:36" (1/1) ... [2020-10-14 23:40:36,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:40:36" (1/1) ... [2020-10-14 23:40:36,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:40:36" (1/1) ... [2020-10-14 23:40:36,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:40:36" (1/1) ... [2020-10-14 23:40:36,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:40:36" (1/1) ... [2020-10-14 23:40:36,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:40:36" (1/1) ... [2020-10-14 23:40:36,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:40:36" (1/1) ... [2020-10-14 23:40:36,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 23:40:36,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 23:40:36,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 23:40:36,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 23:40:36,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:40:36" (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 [2020-10-14 23:40:36,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 23:40:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 23:40:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-14 23:40:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-14 23:40:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-14 23:40:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-14 23:40:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2020-10-14 23:40:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_destroy [2020-10-14 23:40:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_get_data_at [2020-10-14 23:40:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_update_at [2020-10-14 23:40:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 23:40:36,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 23:40:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-14 23:40:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-14 23:40:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-14 23:40:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-14 23:40:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-14 23:40:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-14 23:40:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-14 23:40:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-14 23:40:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-14 23:40:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-14 23:40:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-14 23:40:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-14 23:40:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-14 23:40:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-14 23:40:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-14 23:40:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-14 23:40:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-14 23:40:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-14 23:40:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-14 23:40:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-14 23:40:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-14 23:40:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-14 23:40:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-14 23:40:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-14 23:40:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-14 23:40:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-14 23:40:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-14 23:40:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-14 23:40:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-14 23:40:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-14 23:40:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-14 23:40:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-14 23:40:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-14 23:40:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-14 23:40:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-14 23:40:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-14 23:40:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-14 23:40:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-14 23:40:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-14 23:40:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-14 23:40:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-14 23:40:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-14 23:40:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-14 23:40:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-14 23:40:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-14 23:40:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-14 23:40:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-14 23:40:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-14 23:40:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-14 23:40:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-14 23:40:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-14 23:40:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-14 23:40:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 23:40:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 23:40:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-14 23:40:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 23:40:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-14 23:40:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-14 23:40:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-14 23:40:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-14 23:40:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-14 23:40:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 23:40:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-14 23:40:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-14 23:40:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-14 23:40:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 23:40:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-14 23:40:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-14 23:40:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-14 23:40:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-14 23:40:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-14 23:40:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-14 23:40:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-14 23:40:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-14 23:40:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-14 23:40:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-14 23:40:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-14 23:40:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-14 23:40:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-14 23:40:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-14 23:40:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-14 23:40:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-14 23:40:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-14 23:40:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-14 23:40:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-14 23:40:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-14 23:40:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-14 23:40:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-14 23:40:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-14 23:40:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-14 23:40:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-14 23:40:36,813 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-14 23:40:36,813 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-14 23:40:36,813 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-14 23:40:36,813 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-14 23:40:36,813 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-14 23:40:36,813 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-14 23:40:36,813 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-14 23:40:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-14 23:40:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-14 23:40:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-14 23:40:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-14 23:40:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-14 23:40:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-14 23:40:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-14 23:40:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-14 23:40:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-14 23:40:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 23:40:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 23:40:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 23:40:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2020-10-14 23:40:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_destroy [2020-10-14 23:40:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 23:40:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 23:40:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_get_data_at [2020-10-14 23:40:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 23:40:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_update_at [2020-10-14 23:40:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 23:40:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 23:40:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 23:40:37,122 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-14 23:40:37,347 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 23:40:37,347 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-14 23:40:37,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:40:37 BoogieIcfgContainer [2020-10-14 23:40:37,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 23:40:37,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 23:40:37,352 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 23:40:37,355 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 23:40:37,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:40:35" (1/3) ... [2020-10-14 23:40:37,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35eeb2c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:40:37, skipping insertion in model container [2020-10-14 23:40:37,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:40:36" (2/3) ... [2020-10-14 23:40:37,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35eeb2c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:40:37, skipping insertion in model container [2020-10-14 23:40:37,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:40:37" (3/3) ... [2020-10-14 23:40:37,359 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2c_update_all_reverse.i [2020-10-14 23:40:37,370 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 23:40:37,378 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 23:40:37,392 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 23:40:37,418 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 23:40:37,419 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 23:40:37,419 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 23:40:37,419 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 23:40:37,419 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 23:40:37,419 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 23:40:37,419 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 23:40:37,420 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 23:40:37,440 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2020-10-14 23:40:37,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-14 23:40:37,447 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:40:37,449 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:40:37,449 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:40:37,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:40:37,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1158667966, now seen corresponding path program 1 times [2020-10-14 23:40:37,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:40:37,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1916067395] [2020-10-14 23:40:37,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:40:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:37,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:37,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:37,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:37,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:37,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 23:40:37,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 23:40:37,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 268 [2020-10-14 23:40:37,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:37,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:37,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:40:37,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 23:40:37,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:40:37,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 23:40:37,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:40:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:37,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:37,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:37,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:40:37,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:37,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 23:40:37,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:37,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:37,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:40:37,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:40:37,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:40:37,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:38,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:40:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:38,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:38,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:38,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 23:40:38,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:38,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 23:40:38,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:38,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:38,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:40:38,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 23:40:38,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:40:38,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:38,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:40:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:38,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:38,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:38,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:40:38,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:38,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 23:40:38,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:38,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:38,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:40:38,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:40:38,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:40:38,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:38,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 23:40:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:38,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:38,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:38,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:38,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:40:38,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:40:38,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:40:38,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:38,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:38,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:40:38,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:40:38,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:40:38,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:38,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 23:40:38,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1916067395] [2020-10-14 23:40:38,140 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:40:38,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 23:40:38,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879282966] [2020-10-14 23:40:38,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 23:40:38,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:40:38,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 23:40:38,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 23:40:38,170 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 4 states. [2020-10-14 23:40:38,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:40:38,419 INFO L93 Difference]: Finished difference Result 99 states and 130 transitions. [2020-10-14 23:40:38,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 23:40:38,421 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-10-14 23:40:38,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:40:38,431 INFO L225 Difference]: With dead ends: 99 [2020-10-14 23:40:38,432 INFO L226 Difference]: Without dead ends: 43 [2020-10-14 23:40:38,436 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 23:40:38,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-14 23:40:38,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-14 23:40:38,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-14 23:40:38,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2020-10-14 23:40:38,485 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 32 [2020-10-14 23:40:38,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:40:38,488 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2020-10-14 23:40:38,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 23:40:38,488 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2020-10-14 23:40:38,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-14 23:40:38,490 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:40:38,490 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:40:38,491 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 23:40:38,491 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:40:38,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:40:38,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1470117915, now seen corresponding path program 1 times [2020-10-14 23:40:38,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:40:38,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [320681317] [2020-10-14 23:40:38,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:40:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:38,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:38,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:38,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:38,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:39,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:39,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 23:40:39,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 23:40:39,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1065 [2020-10-14 23:40:39,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:39,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:39,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:40:39,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:40:39,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 23:40:39,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:40:39,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:40:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:39,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:39,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:39,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:40:39,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:39,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:40:39,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:39,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:39,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:40:39,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:40:39,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:40:39,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:39,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:40:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:39,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:39,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:39,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:39,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 23:40:39,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:40:39,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-14 23:40:39,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:39,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:39,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:40:39,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:40:39,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 23:40:39,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:39,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:40:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:39,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:39,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:39,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:40:39,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:39,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:40:39,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:39,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:39,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:40:39,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:40:39,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:40:39,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:39,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 23:40:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:39,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:39,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:39,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:40:39,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:39,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 23:40:39,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:39,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:39,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:40:39,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:40:39,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:40:39,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:39,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 23:40:39,851 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [320681317] [2020-10-14 23:40:39,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:40:39,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 23:40:39,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179425989] [2020-10-14 23:40:39,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 23:40:39,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:40:39,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 23:40:39,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-14 23:40:39,857 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 8 states. [2020-10-14 23:40:40,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:40:40,165 INFO L93 Difference]: Finished difference Result 70 states and 81 transitions. [2020-10-14 23:40:40,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 23:40:40,166 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2020-10-14 23:40:40,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:40:40,169 INFO L225 Difference]: With dead ends: 70 [2020-10-14 23:40:40,170 INFO L226 Difference]: Without dead ends: 57 [2020-10-14 23:40:40,171 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-14 23:40:40,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-14 23:40:40,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 50. [2020-10-14 23:40:40,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-14 23:40:40,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2020-10-14 23:40:40,184 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 57 transitions. Word has length 32 [2020-10-14 23:40:40,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:40:40,185 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 57 transitions. [2020-10-14 23:40:40,185 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 23:40:40,185 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2020-10-14 23:40:40,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-14 23:40:40,187 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:40:40,187 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:40:40,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 23:40:40,187 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:40:40,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:40:40,188 INFO L82 PathProgramCache]: Analyzing trace with hash 150774505, now seen corresponding path program 1 times [2020-10-14 23:40:40,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:40:40,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [722365249] [2020-10-14 23:40:40,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:40:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:40,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:40,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:40,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:40,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:41,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:41,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:42,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:42,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:44,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:44,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 23:40:44,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 23:40:44,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3824 [2020-10-14 23:40:44,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:44,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:44,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:40:44,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 23:40:44,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 23:40:44,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:44,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:40:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:44,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:44,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:44,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:40:44,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:44,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:40:44,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:44,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:44,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:40:44,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:40:44,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:40:44,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:44,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:40:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:44,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:44,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:44,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 23:40:44,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:44,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 23:40:44,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:44,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:44,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:40:44,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:40:44,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 23:40:44,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:44,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:40:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:44,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:44,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:44,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:40:44,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:44,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 23:40:44,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:44,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:44,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:40:44,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:40:44,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:40:44,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:44,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 23:40:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:44,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:44,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:44,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:40:44,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:44,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:40:44,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:44,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:44,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:40:44,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:40:44,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:40:44,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:44,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:40:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:44,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:44,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:44,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:40:44,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:44,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 23:40:44,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:44,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:44,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:40:44,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:40:44,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:40:44,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:44,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 23:40:44,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [722365249] [2020-10-14 23:40:44,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:40:44,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 23:40:44,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899025520] [2020-10-14 23:40:44,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 23:40:44,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:40:44,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 23:40:44,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-14 23:40:44,239 INFO L87 Difference]: Start difference. First operand 50 states and 57 transitions. Second operand 11 states. [2020-10-14 23:40:44,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:40:44,639 INFO L93 Difference]: Finished difference Result 80 states and 94 transitions. [2020-10-14 23:40:44,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 23:40:44,639 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 41 [2020-10-14 23:40:44,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:40:44,642 INFO L225 Difference]: With dead ends: 80 [2020-10-14 23:40:44,643 INFO L226 Difference]: Without dead ends: 53 [2020-10-14 23:40:44,645 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2020-10-14 23:40:44,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-14 23:40:44,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2020-10-14 23:40:44,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-14 23:40:44,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2020-10-14 23:40:44,665 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 41 [2020-10-14 23:40:44,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:40:44,667 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2020-10-14 23:40:44,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 23:40:44,668 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2020-10-14 23:40:44,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-14 23:40:44,669 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:40:44,670 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:40:44,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 23:40:44,672 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:40:44,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:40:44,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1356998511, now seen corresponding path program 1 times [2020-10-14 23:40:44,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:40:44,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1119062132] [2020-10-14 23:40:44,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:40:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:44,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:44,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:44,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:44,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:45,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:45,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:46,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:46,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 23:40:46,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 23:40:46,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1910 [2020-10-14 23:40:46,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:46,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:46,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:40:46,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:40:46,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-14 23:40:46,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 23:40:46,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:40:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:46,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:46,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:46,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:40:46,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:46,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:40:46,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:46,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:46,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:40:46,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:40:46,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:40:46,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:46,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:40:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:46,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:46,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:46,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:46,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 23:40:46,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:40:46,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-14 23:40:46,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:46,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:46,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:40:46,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:40:46,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 23:40:46,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:46,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:40:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:46,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:46,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:46,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:40:46,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:46,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:40:46,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:46,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:46,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:40:46,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:40:46,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:40:46,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:46,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:40:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:46,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:46,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:46,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:40:46,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:46,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:40:46,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:46,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:46,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:40:46,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:40:46,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:40:46,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 23:40:46,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 23:40:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:46,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:46,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:46,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:46,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:40:46,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:40:46,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 23:40:46,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:46,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:46,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:40:46,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:40:46,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:40:46,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:46,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 23:40:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:46,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:46,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:46,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:40:46,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:46,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:40:46,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:46,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:46,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:40:46,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 23:40:46,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:40:46,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:46,971 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-14 23:40:46,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1119062132] [2020-10-14 23:40:46,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:40:46,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 23:40:46,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404626360] [2020-10-14 23:40:46,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 23:40:46,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:40:46,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 23:40:46,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-14 23:40:46,978 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand 8 states. [2020-10-14 23:40:47,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:40:47,185 INFO L93 Difference]: Finished difference Result 79 states and 91 transitions. [2020-10-14 23:40:47,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 23:40:47,185 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49 [2020-10-14 23:40:47,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:40:47,187 INFO L225 Difference]: With dead ends: 79 [2020-10-14 23:40:47,187 INFO L226 Difference]: Without dead ends: 60 [2020-10-14 23:40:47,190 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-14 23:40:47,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-14 23:40:47,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 54. [2020-10-14 23:40:47,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-14 23:40:47,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2020-10-14 23:40:47,204 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 49 [2020-10-14 23:40:47,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:40:47,206 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2020-10-14 23:40:47,206 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 23:40:47,206 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2020-10-14 23:40:47,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-14 23:40:47,214 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:40:47,214 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 23:40:47,214 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 23:40:47,214 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:40:47,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:40:47,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1746069753, now seen corresponding path program 2 times [2020-10-14 23:40:47,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:40:47,216 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1040446901] [2020-10-14 23:40:47,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:40:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:47,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:47,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:47,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:47,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:49,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:49,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 23:40:49,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 23:40:49,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2286 [2020-10-14 23:40:49,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:49,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:49,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:40:49,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:40:49,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 23:40:49,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:49,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:40:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:49,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:49,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:49,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:40:49,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:49,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:40:49,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:49,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:49,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:40:49,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:40:49,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:40:49,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:49,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:40:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:49,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:49,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:49,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:49,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 23:40:49,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:40:49,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 23:40:49,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:49,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:49,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:40:49,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:40:49,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 23:40:49,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:49,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:40:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:49,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:49,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:49,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:40:49,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:49,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:40:49,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:49,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:49,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:40:49,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:40:49,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:40:49,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:49,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:40:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:49,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:49,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:49,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:40:49,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:49,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:40:49,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:49,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:49,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:40:49,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:40:49,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:40:49,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:49,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 23:40:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:49,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:49,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:49,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:40:49,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:49,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 23:40:49,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:49,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:49,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:40:49,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:40:49,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:40:49,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:49,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 23:40:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:49,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:49,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:49,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:40:49,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:49,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:40:49,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:49,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:49,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:40:49,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:40:49,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:40:49,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:49,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 23:40:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:49,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:49,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:49,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:40:49,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:49,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:40:49,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:49,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:49,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:40:49,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 23:40:49,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:40:49,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:49,779 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-14 23:40:49,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1040446901] [2020-10-14 23:40:49,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:40:49,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 23:40:49,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474201846] [2020-10-14 23:40:49,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 23:40:49,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:40:49,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 23:40:49,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-14 23:40:49,781 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand 9 states. [2020-10-14 23:40:50,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:40:50,073 INFO L93 Difference]: Finished difference Result 92 states and 107 transitions. [2020-10-14 23:40:50,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 23:40:50,073 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-10-14 23:40:50,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:40:50,075 INFO L225 Difference]: With dead ends: 92 [2020-10-14 23:40:50,075 INFO L226 Difference]: Without dead ends: 63 [2020-10-14 23:40:50,076 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-10-14 23:40:50,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-14 23:40:50,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 58. [2020-10-14 23:40:50,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-14 23:40:50,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 67 transitions. [2020-10-14 23:40:50,085 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 67 transitions. Word has length 57 [2020-10-14 23:40:50,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:40:50,086 INFO L479 AbstractCegarLoop]: Abstraction has 58 states and 67 transitions. [2020-10-14 23:40:50,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 23:40:50,086 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2020-10-14 23:40:50,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-14 23:40:50,087 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:40:50,087 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 23:40:50,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 23:40:50,088 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:40:50,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:40:50,088 INFO L82 PathProgramCache]: Analyzing trace with hash 468579648, now seen corresponding path program 1 times [2020-10-14 23:40:50,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:40:50,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [861767333] [2020-10-14 23:40:50,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:40:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:50,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:51,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:51,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:51,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:51,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:51,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:51,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:51,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 23:40:51,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 23:40:51,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1814 [2020-10-14 23:40:51,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:51,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:51,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-14 23:40:51,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 23:40:51,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-14 23:40:51,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:52,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:40:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:52,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:52,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:52,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:40:52,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:52,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:40:52,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:52,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:52,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:40:52,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:40:52,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:40:52,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:52,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:40:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:52,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:52,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:52,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 23:40:52,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:52,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-10-14 23:40:52,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:52,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:52,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 23:40:52,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:40:52,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 23:40:52,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:52,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:40:52,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:52,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:52,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:52,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:40:52,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:52,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 23:40:52,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:52,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:52,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:40:52,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:40:52,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:40:52,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:52,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:40:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:52,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:52,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:52,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:40:52,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:52,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 23:40:52,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:52,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:52,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:40:52,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:40:52,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 23:40:52,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:52,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 23:40:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:52,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:52,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:52,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:40:52,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:52,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 23:40:52,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:52,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:52,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 23:40:52,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:40:52,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 23:40:52,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:40:52,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 23:40:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:52,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:52,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:52,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:40:52,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:52,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 23:40:52,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:52,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:52,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:40:52,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:40:52,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 23:40:52,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:40:53,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 23:40:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:53,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:53,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:40:53,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:40:53,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:40:53,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 23:40:53,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:40:53,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:40:53,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:40:53,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:40:53,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 23:40:53,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:40:53,287 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-14 23:40:53,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [861767333] [2020-10-14 23:40:53,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:40:53,288 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-14 23:40:53,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617524671] [2020-10-14 23:40:53,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-14 23:40:53,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:40:53,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-14 23:40:53,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=807, Unknown=0, NotChecked=0, Total=870 [2020-10-14 23:40:53,290 INFO L87 Difference]: Start difference. First operand 58 states and 67 transitions. Second operand 30 states. [2020-10-14 23:40:55,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:40:55,678 INFO L93 Difference]: Finished difference Result 101 states and 128 transitions. [2020-10-14 23:40:55,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-14 23:40:55,679 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 58 [2020-10-14 23:40:55,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:40:55,682 INFO L225 Difference]: With dead ends: 101 [2020-10-14 23:40:55,682 INFO L226 Difference]: Without dead ends: 99 [2020-10-14 23:40:55,683 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=192, Invalid=2064, Unknown=0, NotChecked=0, Total=2256 [2020-10-14 23:40:55,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-10-14 23:40:55,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 85. [2020-10-14 23:40:55,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-10-14 23:40:55,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 108 transitions. [2020-10-14 23:40:55,699 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 108 transitions. Word has length 58 [2020-10-14 23:40:55,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:40:55,700 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 108 transitions. [2020-10-14 23:40:55,700 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-14 23:40:55,700 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 108 transitions. [2020-10-14 23:40:55,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-14 23:40:55,701 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:40:55,701 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 23:40:55,701 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 23:40:55,702 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:40:55,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:40:55,702 INFO L82 PathProgramCache]: Analyzing trace with hash -234205714, now seen corresponding path program 2 times [2020-10-14 23:40:55,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:40:55,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [857096608] [2020-10-14 23:40:55,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:40:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:40:55,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:55,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:55,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:55,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:40:57,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:00,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:00,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 23:41:00,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 23:41:00,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 23:41:00,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:00,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:41:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:41:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-14 23:41:00,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:41:00,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:41:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:00,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:00,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:00,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:41:00,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:00,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:41:00,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:00,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:00,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:41:00,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:00,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:41:00,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:00,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:41:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:00,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:00,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:00,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:00,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 23:41:00,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:41:00,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 23:41:00,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:00,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:00,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:41:00,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:00,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 23:41:00,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:00,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:41:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:00,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:00,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:00,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:41:00,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:00,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:41:00,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:00,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:00,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:41:00,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:00,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:41:00,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:41:00,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:41:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:00,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:00,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:00,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:41:00,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:00,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:41:00,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:00,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:00,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:41:00,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:00,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:41:00,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:41:00,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 23:41:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:00,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:00,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:00,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:41:00,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:00,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:41:00,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:00,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:00,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:41:00,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:00,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:41:00,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:00,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 23:41:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:00,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:00,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:00,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:41:00,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:00,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:41:00,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:00,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:00,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:41:00,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:00,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:41:00,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:00,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 23:41:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:00,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:00,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:00,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 23:41:00,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:00,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 23:41:00,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:00,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:00,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:41:00,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:41:00,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 23:41:00,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:01,004 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-14 23:41:01,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [857096608] [2020-10-14 23:41:01,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:41:01,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 23:41:01,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765535885] [2020-10-14 23:41:01,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 23:41:01,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:41:01,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 23:41:01,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-14 23:41:01,007 INFO L87 Difference]: Start difference. First operand 85 states and 108 transitions. Second operand 10 states. [2020-10-14 23:41:01,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:41:01,326 INFO L93 Difference]: Finished difference Result 105 states and 131 transitions. [2020-10-14 23:41:01,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 23:41:01,326 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2020-10-14 23:41:01,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:41:01,328 INFO L225 Difference]: With dead ends: 105 [2020-10-14 23:41:01,328 INFO L226 Difference]: Without dead ends: 81 [2020-10-14 23:41:01,328 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2020-10-14 23:41:01,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-14 23:41:01,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-10-14 23:41:01,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-14 23:41:01,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 100 transitions. [2020-10-14 23:41:01,344 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 100 transitions. Word has length 59 [2020-10-14 23:41:01,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:41:01,344 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 100 transitions. [2020-10-14 23:41:01,344 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 23:41:01,344 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 100 transitions. [2020-10-14 23:41:01,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-14 23:41:01,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:41:01,346 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 23:41:01,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 23:41:01,346 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:41:01,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:41:01,346 INFO L82 PathProgramCache]: Analyzing trace with hash -80971525, now seen corresponding path program 3 times [2020-10-14 23:41:01,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:41:01,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [681011628] [2020-10-14 23:41:01,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:41:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:01,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:01,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:01,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:01,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:03,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:03,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:04,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:04,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:04,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:06,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:06,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 23:41:06,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 23:41:06,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 23:41:06,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:06,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:06,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-14 23:41:06,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 23:41:06,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-14 23:41:06,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:06,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:41:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:06,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:06,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:06,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:41:06,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:06,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:41:06,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:06,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:06,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:41:06,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:06,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:41:06,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:06,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:41:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:06,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:06,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:06,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 23:41:06,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:06,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-14 23:41:06,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:06,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:06,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 23:41:06,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:06,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 23:41:06,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:06,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:41:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:06,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:06,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:06,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:41:06,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:06,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 23:41:06,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:06,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:06,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:41:06,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:06,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:41:06,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:06,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:41:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:06,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:06,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:06,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:41:06,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:06,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 23:41:06,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:06,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:06,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:41:06,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:06,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:41:06,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:06,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 23:41:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:06,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:06,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:06,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:41:06,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:06,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 23:41:06,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:06,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:06,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 23:41:06,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:41:06,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 23:41:06,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:41:07,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 23:41:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:07,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:07,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:07,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:41:07,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:07,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 23:41:07,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:07,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:07,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 23:41:07,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:41:07,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 23:41:07,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:07,547 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2020-10-14 23:41:07,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 23:41:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:07,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:07,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:07,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:41:07,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:07,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 23:41:07,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:07,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:07,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 23:41:07,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:07,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 23:41:07,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:07,791 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-14 23:41:07,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [681011628] [2020-10-14 23:41:07,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:41:07,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-14 23:41:07,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69732116] [2020-10-14 23:41:07,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-14 23:41:07,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:41:07,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-14 23:41:07,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=798, Unknown=0, NotChecked=0, Total=870 [2020-10-14 23:41:07,794 INFO L87 Difference]: Start difference. First operand 81 states and 100 transitions. Second operand 30 states. [2020-10-14 23:41:09,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:41:09,608 INFO L93 Difference]: Finished difference Result 101 states and 130 transitions. [2020-10-14 23:41:09,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-14 23:41:09,608 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 59 [2020-10-14 23:41:09,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:41:09,610 INFO L225 Difference]: With dead ends: 101 [2020-10-14 23:41:09,610 INFO L226 Difference]: Without dead ends: 99 [2020-10-14 23:41:09,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=198, Invalid=1964, Unknown=0, NotChecked=0, Total=2162 [2020-10-14 23:41:09,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-10-14 23:41:09,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2020-10-14 23:41:09,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-10-14 23:41:09,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 127 transitions. [2020-10-14 23:41:09,629 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 127 transitions. Word has length 59 [2020-10-14 23:41:09,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:41:09,630 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 127 transitions. [2020-10-14 23:41:09,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-14 23:41:09,630 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 127 transitions. [2020-10-14 23:41:09,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-14 23:41:09,631 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:41:09,631 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 23:41:09,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 23:41:09,632 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:41:09,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:41:09,632 INFO L82 PathProgramCache]: Analyzing trace with hash 403234343, now seen corresponding path program 4 times [2020-10-14 23:41:09,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:41:09,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [785798156] [2020-10-14 23:41:09,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:41:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:09,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:09,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:09,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:09,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:11,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:12,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:12,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 23:41:12,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 23:41:12,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3241 [2020-10-14 23:41:12,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:12,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:12,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:41:12,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:41:12,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 23:41:12,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:12,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:41:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:12,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:12,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:12,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:41:12,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:12,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:41:12,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:12,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:12,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:41:12,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:12,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:41:12,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:12,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:41:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:12,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:12,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:12,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:12,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 23:41:12,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:41:12,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 23:41:12,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:12,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:12,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:41:12,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:12,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 23:41:12,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:12,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:41:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:12,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:12,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:12,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:41:12,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:12,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:41:12,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:12,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:12,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:41:12,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:12,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:41:12,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:12,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:41:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:12,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:12,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:12,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:41:12,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:12,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:41:12,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:12,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:12,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:41:12,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:12,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:41:12,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:13,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 23:41:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:13,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:13,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:13,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 23:41:13,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:13,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 23:41:13,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:13,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:13,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:41:13,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:41:13,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 23:41:13,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:13,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 23:41:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:13,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:13,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:13,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:41:13,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:13,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:41:13,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:13,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:13,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:41:13,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:41:13,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:41:13,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:13,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 23:41:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:13,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:13,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:13,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:41:13,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:13,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:41:13,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:13,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:13,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:41:13,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 23:41:13,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:41:13,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:13,077 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-14 23:41:13,077 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [785798156] [2020-10-14 23:41:13,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:41:13,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 23:41:13,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975003311] [2020-10-14 23:41:13,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 23:41:13,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:41:13,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 23:41:13,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-14 23:41:13,079 INFO L87 Difference]: Start difference. First operand 97 states and 127 transitions. Second operand 10 states. [2020-10-14 23:41:13,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:41:13,436 INFO L93 Difference]: Finished difference Result 132 states and 168 transitions. [2020-10-14 23:41:13,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 23:41:13,436 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2020-10-14 23:41:13,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:41:13,438 INFO L225 Difference]: With dead ends: 132 [2020-10-14 23:41:13,438 INFO L226 Difference]: Without dead ends: 91 [2020-10-14 23:41:13,439 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2020-10-14 23:41:13,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-14 23:41:13,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-10-14 23:41:13,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-10-14 23:41:13,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 114 transitions. [2020-10-14 23:41:13,462 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 114 transitions. Word has length 59 [2020-10-14 23:41:13,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:41:13,462 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 114 transitions. [2020-10-14 23:41:13,463 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 23:41:13,463 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 114 transitions. [2020-10-14 23:41:13,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-14 23:41:13,464 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:41:13,464 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2020-10-14 23:41:13,464 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 23:41:13,464 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:41:13,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:41:13,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1887845224, now seen corresponding path program 5 times [2020-10-14 23:41:13,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:41:13,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1298149743] [2020-10-14 23:41:13,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:41:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:13,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:13,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:13,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:13,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:14,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:15,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:15,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:15,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:15,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:16,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:18,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:18,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 23:41:18,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 23:41:18,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 23:41:18,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:18,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:18,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 23:41:18,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 23:41:18,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 23:41:18,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:18,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:41:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:18,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:18,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:18,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:41:18,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:18,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:41:18,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:18,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:18,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:41:18,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:18,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:41:18,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:41:18,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:41:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:18,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:18,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:18,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 23:41:18,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:18,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 23:41:18,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:18,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:18,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:41:18,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:18,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 23:41:18,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:18,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:41:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:18,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:18,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:18,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:41:18,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:18,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:41:18,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:18,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:18,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:41:18,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:18,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:41:18,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:18,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:41:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:18,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:18,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:18,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:41:18,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:18,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:41:18,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:18,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:18,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:41:18,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:18,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:41:18,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:18,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 23:41:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:18,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:18,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:18,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:41:18,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:18,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:41:18,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:18,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:18,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:41:18,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:18,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:41:18,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:18,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 23:41:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:18,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:18,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:18,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:41:18,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:18,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:41:18,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:18,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:18,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:41:18,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:18,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:41:18,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:18,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 23:41:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:18,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:18,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:18,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:41:18,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:18,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:41:18,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:18,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:18,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:41:18,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:18,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:41:18,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:18,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 23:41:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:18,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:18,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:18,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:41:18,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:18,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:41:18,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:18,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:18,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:41:18,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:41:18,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:41:18,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:18,789 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-14 23:41:18,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1298149743] [2020-10-14 23:41:18,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:41:18,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-14 23:41:18,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842205577] [2020-10-14 23:41:18,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 23:41:18,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:41:18,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 23:41:18,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-10-14 23:41:18,791 INFO L87 Difference]: Start difference. First operand 91 states and 114 transitions. Second operand 13 states. [2020-10-14 23:41:19,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:41:19,250 INFO L93 Difference]: Finished difference Result 126 states and 161 transitions. [2020-10-14 23:41:19,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 23:41:19,251 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 66 [2020-10-14 23:41:19,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:41:19,253 INFO L225 Difference]: With dead ends: 126 [2020-10-14 23:41:19,253 INFO L226 Difference]: Without dead ends: 80 [2020-10-14 23:41:19,254 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2020-10-14 23:41:19,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-10-14 23:41:19,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2020-10-14 23:41:19,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-14 23:41:19,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 99 transitions. [2020-10-14 23:41:19,266 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 99 transitions. Word has length 66 [2020-10-14 23:41:19,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:41:19,266 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 99 transitions. [2020-10-14 23:41:19,266 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 23:41:19,267 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 99 transitions. [2020-10-14 23:41:19,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-14 23:41:19,268 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:41:19,268 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 23:41:19,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 23:41:19,268 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:41:19,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:41:19,269 INFO L82 PathProgramCache]: Analyzing trace with hash 47532101, now seen corresponding path program 6 times [2020-10-14 23:41:19,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:41:19,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1183609188] [2020-10-14 23:41:19,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:41:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:19,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:19,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:19,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:19,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:19,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:19,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:19,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:19,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:19,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:23,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:23,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:24,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:24,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 23:41:24,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-14 23:41:24,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 23:41:24,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:24,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:24,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:41:24,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:41:24,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-14 23:41:24,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:24,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:41:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:24,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:24,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:24,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:41:24,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:24,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:41:24,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:24,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:24,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:41:24,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:24,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:41:24,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:24,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:41:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:24,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:24,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:24,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:24,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 23:41:24,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:41:24,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 23:41:24,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:24,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:24,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:41:24,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:24,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 23:41:24,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:24,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:41:24,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:24,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:24,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:24,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:41:24,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:24,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:41:24,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:24,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:24,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:41:24,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:24,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:41:24,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:24,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:41:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:24,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:24,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:24,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:41:24,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:24,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:41:24,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:24,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:24,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:41:24,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:24,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:41:24,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:24,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 23:41:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:24,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:24,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:24,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:24,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:41:24,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:41:24,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 23:41:24,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:24,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:24,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:41:24,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:24,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:41:24,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:24,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 23:41:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:24,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:24,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:24,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:24,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:41:24,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:41:24,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:41:24,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:24,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:24,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:41:24,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:24,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:41:24,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:24,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 23:41:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:24,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:24,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:24,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:41:24,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:24,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:41:24,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:24,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:24,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:41:24,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 23:41:24,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:41:24,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:24,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 23:41:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:24,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:24,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:24,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:41:24,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:24,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:41:24,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:24,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:24,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:41:24,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 23:41:24,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:41:24,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:24,494 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-14 23:41:24,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1183609188] [2020-10-14 23:41:24,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:41:24,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 23:41:24,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232254570] [2020-10-14 23:41:24,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 23:41:24,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:41:24,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 23:41:24,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 23:41:24,497 INFO L87 Difference]: Start difference. First operand 80 states and 99 transitions. Second operand 9 states. [2020-10-14 23:41:24,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:41:24,713 INFO L93 Difference]: Finished difference Result 130 states and 156 transitions. [2020-10-14 23:41:24,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 23:41:24,714 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 67 [2020-10-14 23:41:24,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:41:24,715 INFO L225 Difference]: With dead ends: 130 [2020-10-14 23:41:24,715 INFO L226 Difference]: Without dead ends: 72 [2020-10-14 23:41:24,716 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-10-14 23:41:24,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-14 23:41:24,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2020-10-14 23:41:24,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-14 23:41:24,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 76 transitions. [2020-10-14 23:41:24,725 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 76 transitions. Word has length 67 [2020-10-14 23:41:24,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:41:24,726 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 76 transitions. [2020-10-14 23:41:24,726 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 23:41:24,726 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions. [2020-10-14 23:41:24,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-14 23:41:24,727 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:41:24,727 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:41:24,727 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 23:41:24,727 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:41:24,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:41:24,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1935800245, now seen corresponding path program 1 times [2020-10-14 23:41:24,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:41:24,728 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1392361110] [2020-10-14 23:41:24,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:41:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:24,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:24,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:24,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:24,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:25,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:25,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:25,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:26,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:26,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:26,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:26,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:26,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:26,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:26,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:29,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:29,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 23:41:29,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-14 23:41:29,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 23:41:29,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:29,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:29,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 23:41:29,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:41:29,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 23:41:29,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:29,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:41:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:29,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:29,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:29,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:41:29,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:29,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:41:29,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:29,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:29,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:41:29,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:29,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:41:29,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:29,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:41:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:29,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:29,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:29,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:29,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 23:41:29,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:41:29,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 23:41:29,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:29,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:29,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:41:29,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:29,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 23:41:29,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:29,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:41:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:29,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:29,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:29,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:41:29,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:29,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:41:29,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:29,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:29,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:41:29,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:29,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:41:29,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:29,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:41:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:29,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:29,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:29,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:41:29,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:29,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:41:29,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:29,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:29,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:41:29,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:29,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:41:29,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:29,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 23:41:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:29,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:29,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:29,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:41:29,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:29,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:41:29,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:29,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:29,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:41:29,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:29,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:41:29,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:29,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 23:41:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:29,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:29,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:29,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:41:29,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:29,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 23:41:29,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:29,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:29,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:41:29,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:29,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:41:29,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:30,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 23:41:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:30,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:30,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:30,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:41:30,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:30,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:41:30,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:30,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:30,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:41:30,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:30,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:41:30,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:30,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 23:41:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:30,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:30,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:30,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:41:30,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:30,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:41:30,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:30,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:30,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:41:30,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:30,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:41:30,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:30,142 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 23:41:30,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1392361110] [2020-10-14 23:41:30,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:41:30,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-14 23:41:30,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603955691] [2020-10-14 23:41:30,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-14 23:41:30,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:41:30,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-14 23:41:30,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2020-10-14 23:41:30,144 INFO L87 Difference]: Start difference. First operand 70 states and 76 transitions. Second operand 17 states. [2020-10-14 23:41:30,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:41:30,993 INFO L93 Difference]: Finished difference Result 78 states and 82 transitions. [2020-10-14 23:41:30,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 23:41:30,994 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 68 [2020-10-14 23:41:30,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:41:30,995 INFO L225 Difference]: With dead ends: 78 [2020-10-14 23:41:30,996 INFO L226 Difference]: Without dead ends: 74 [2020-10-14 23:41:30,997 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=129, Invalid=801, Unknown=0, NotChecked=0, Total=930 [2020-10-14 23:41:30,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-14 23:41:31,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 70. [2020-10-14 23:41:31,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-14 23:41:31,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 75 transitions. [2020-10-14 23:41:31,006 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 75 transitions. Word has length 68 [2020-10-14 23:41:31,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:41:31,006 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 75 transitions. [2020-10-14 23:41:31,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-14 23:41:31,007 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2020-10-14 23:41:31,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-14 23:41:31,007 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:41:31,008 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:41:31,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 23:41:31,008 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:41:31,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:41:31,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1755538365, now seen corresponding path program 2 times [2020-10-14 23:41:31,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:41:31,009 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1353904840] [2020-10-14 23:41:31,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:41:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:31,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:31,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:31,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:31,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:31,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:33,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:35,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:35,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:35,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:35,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:35,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:36,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:36,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:36,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 23:41:36,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-14 23:41:36,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-14 23:41:36,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:36,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:36,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:41:36,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:41:36,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 23:41:36,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:36,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:41:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:36,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:36,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:36,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:41:36,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:36,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:41:36,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:36,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:36,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:41:36,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:36,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:41:36,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:36,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:41:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:36,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:36,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:36,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:36,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 23:41:36,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:41:36,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 23:41:36,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:36,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:36,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:41:36,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:36,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 23:41:36,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:36,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:41:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:36,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:36,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:36,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:41:36,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:36,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:41:36,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:36,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:36,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:41:36,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:36,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:41:36,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:36,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:41:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:36,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:36,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:36,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:41:36,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:36,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:41:36,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:36,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:36,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:41:36,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:36,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:41:36,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:36,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 23:41:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:36,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:36,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:36,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:41:36,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:36,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:41:36,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:36,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:36,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:41:36,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:36,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:41:36,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:36,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 23:41:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:36,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:36,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:36,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:41:36,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:36,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:41:36,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:36,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:36,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:41:36,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:36,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:41:36,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:36,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 23:41:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:36,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:36,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:36,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:36,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:41:36,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:41:36,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 23:41:36,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:36,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:36,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:41:36,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:36,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:41:36,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:36,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 23:41:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:36,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:36,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:36,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:41:36,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:36,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:41:36,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:36,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:36,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:41:36,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:41:36,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:41:36,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:36,276 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-14 23:41:36,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1353904840] [2020-10-14 23:41:36,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:41:36,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 23:41:36,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721242280] [2020-10-14 23:41:36,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 23:41:36,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:41:36,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 23:41:36,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-14 23:41:36,279 INFO L87 Difference]: Start difference. First operand 70 states and 75 transitions. Second operand 10 states. [2020-10-14 23:41:36,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:41:36,666 INFO L93 Difference]: Finished difference Result 74 states and 78 transitions. [2020-10-14 23:41:36,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 23:41:36,666 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2020-10-14 23:41:36,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:41:36,668 INFO L225 Difference]: With dead ends: 74 [2020-10-14 23:41:36,668 INFO L226 Difference]: Without dead ends: 57 [2020-10-14 23:41:36,669 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-10-14 23:41:36,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-14 23:41:36,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-10-14 23:41:36,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-14 23:41:36,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2020-10-14 23:41:36,683 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 69 [2020-10-14 23:41:36,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:41:36,683 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2020-10-14 23:41:36,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 23:41:36,684 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2020-10-14 23:41:36,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-14 23:41:36,685 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:41:36,685 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:41:36,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 23:41:36,686 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:41:36,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:41:36,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1058841018, now seen corresponding path program 3 times [2020-10-14 23:41:36,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:41:36,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [38989633] [2020-10-14 23:41:36,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:41:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:36,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:36,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:36,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:36,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:36,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:39,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:41,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:41,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 23:41:41,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 23:41:41,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 23:41:41,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:41,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:41,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:41:41,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:41:41,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 23:41:41,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:41,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:41:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:41,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:41,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:41,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:41:41,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:41,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:41:41,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:41,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:41,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:41:41,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:41,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:41:41,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:41:41,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:41:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:41,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:41,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:41,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:41,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 23:41:41,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:41:41,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 23:41:41,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:41,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:41,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:41:41,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:41,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 23:41:41,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:41:41,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:41:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:41,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:41,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:41,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:41:41,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:41,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:41:41,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:41,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:41,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:41:41,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:41,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:41:41,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:41:41,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:41:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:41,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:41,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:41,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:41:41,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:41,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:41:41,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:41,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:41,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:41:41,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:41,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:41:41,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:41:41,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 23:41:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:41,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:41,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:41,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:41,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:41:41,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:41:41,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 23:41:41,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:41,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:41,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:41:41,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:41:41,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:41:41,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:41:41,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 23:41:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:41,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:41,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:41,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:41:41,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:41,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 23:41:41,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:41,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:41,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:41:41,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:41:41,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:41:41,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:41:41,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 23:41:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:41,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:41,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:41,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:41:41,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:41,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:41:41,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:41,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:41,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:41:41,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 23:41:41,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:41:41,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:41:42,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 23:41:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:41:42,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:41:42,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:41:42,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:41:42,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:41:42,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:41:42,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:41:42,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:41:42,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:41:42,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:41:42,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:41:42,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:41:42,021 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-14 23:41:42,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [38989633] [2020-10-14 23:41:42,022 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:41:42,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 23:41:42,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944384852] [2020-10-14 23:41:42,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 23:41:42,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:41:42,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 23:41:42,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-14 23:41:42,024 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 10 states. [2020-10-14 23:41:42,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:41:42,335 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2020-10-14 23:41:42,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 23:41:42,336 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2020-10-14 23:41:42,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:41:42,336 INFO L225 Difference]: With dead ends: 57 [2020-10-14 23:41:42,337 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 23:41:42,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2020-10-14 23:41:42,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 23:41:42,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 23:41:42,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 23:41:42,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 23:41:42,338 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2020-10-14 23:41:42,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:41:42,339 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 23:41:42,339 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 23:41:42,339 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 23:41:42,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 23:41:42,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 23:41:42,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 23:41:42,903 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2020-10-14 23:41:43,167 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2020-10-14 23:41:43,387 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-10-14 23:41:43,441 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 23:41:43,442 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-14 23:41:43,442 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 23:41:43,442 INFO L271 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: true [2020-10-14 23:41:43,442 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 560 562) the Hoare annotation is: true [2020-10-14 23:41:43,442 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 560 562) no Hoare annotation was computed. [2020-10-14 23:41:43,443 INFO L268 CegarLoopResult]: For program point sll_circular_get_data_atEXIT(lines 595 601) no Hoare annotation was computed. [2020-10-14 23:41:43,443 INFO L271 CegarLoopResult]: At program point sll_circular_get_data_atENTRY(lines 595 601) the Hoare annotation is: true [2020-10-14 23:41:43,443 INFO L264 CegarLoopResult]: At program point L596-2(lines 596 599) the Hoare annotation is: (let ((.cse1 (+ sll_circular_get_data_at_~index 1))) (let ((.cse0 (<= .cse1 |sll_circular_get_data_at_#in~index|))) (or (and (<= 2 |sll_circular_get_data_at_#in~index|) .cse0) (and (<= |sll_circular_get_data_at_#in~index| .cse1) (= (select (select |#memory_$Pointer$.offset| |sll_circular_get_data_at_#in~head.base|) |sll_circular_get_data_at_#in~head.offset|) sll_circular_get_data_at_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_circular_get_data_at_#in~head.base|) |sll_circular_get_data_at_#in~head.offset|) sll_circular_get_data_at_~head.base) (<= 1 |sll_circular_get_data_at_#in~index|) .cse0) (and (= sll_circular_get_data_at_~head.offset |sll_circular_get_data_at_#in~head.offset|) (= sll_circular_get_data_at_~index |sll_circular_get_data_at_#in~index|) (= |sll_circular_get_data_at_#in~head.base| sll_circular_get_data_at_~head.base))))) [2020-10-14 23:41:43,443 INFO L268 CegarLoopResult]: For program point L596-3(lines 596 599) no Hoare annotation was computed. [2020-10-14 23:41:43,443 INFO L268 CegarLoopResult]: For program point sll_circular_get_data_atFINAL(lines 595 601) no Hoare annotation was computed. [2020-10-14 23:41:43,443 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-10-14 23:41:43,443 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-10-14 23:41:43,444 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-10-14 23:41:43,444 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-10-14 23:41:43,444 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-10-14 23:41:43,444 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-10-14 23:41:43,444 INFO L264 CegarLoopResult]: At program point L576(line 576) the Hoare annotation is: (let ((.cse0 (= sll_circular_create_~head~0.offset 0))) (or (and (= sll_circular_create_~head~0.base sll_circular_create_~last~0.base) .cse0 (= sll_circular_create_~last~0.offset 0) (= |sll_circular_create_#in~len| sll_circular_create_~len) (not (= (select |#valid| sll_circular_create_~last~0.base) 0))) (and .cse0 (<= 3 |sll_circular_create_#in~len|) (<= (+ sll_circular_create_~len 1) |sll_circular_create_#in~len|) (= (select (select |#memory_$Pointer$.offset| sll_circular_create_~head~0.base) sll_circular_create_~head~0.offset) 0) (= sll_circular_create_~head~0.offset sll_circular_create_~last~0.offset)))) [2020-10-14 23:41:43,444 INFO L268 CegarLoopResult]: For program point L576-1(line 576) no Hoare annotation was computed. [2020-10-14 23:41:43,445 INFO L264 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= |old(#valid)| |#valid|)) [2020-10-14 23:41:43,445 INFO L264 CegarLoopResult]: At program point L575-2(lines 575 580) the Hoare annotation is: (let ((.cse0 (= sll_circular_create_~head~0.base sll_circular_create_~last~0.base)) (.cse1 (= sll_circular_create_~head~0.offset 0)) (.cse2 (<= (+ sll_circular_create_~len 1) |sll_circular_create_#in~len|)) (.cse3 (= (select (select |#memory_$Pointer$.offset| sll_circular_create_~head~0.base) sll_circular_create_~head~0.offset) 0)) (.cse4 (= sll_circular_create_~head~0.offset sll_circular_create_~last~0.offset))) (or (and .cse0 .cse1 (= sll_circular_create_~last~0.offset 0) (= |sll_circular_create_#in~len| sll_circular_create_~len) (not (= (select |#valid| sll_circular_create_~last~0.base) 0))) (and (not (= (select (select |#memory_$Pointer$.base| sll_circular_create_~head~0.base) sll_circular_create_~head~0.offset) sll_circular_create_~head~0.base)) .cse1 .cse2 (not .cse0) .cse3 .cse4) (and .cse1 (<= 3 |sll_circular_create_#in~len|) .cse2 .cse3 .cse4))) [2020-10-14 23:41:43,445 INFO L268 CegarLoopResult]: For program point L573-1(line 573) no Hoare annotation was computed. [2020-10-14 23:41:43,445 INFO L268 CegarLoopResult]: For program point L575-3(lines 575 580) no Hoare annotation was computed. [2020-10-14 23:41:43,445 INFO L264 CegarLoopResult]: At program point sll_circular_createENTRY(lines 572 583) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 23:41:43,445 INFO L268 CegarLoopResult]: For program point sll_circular_createFINAL(lines 572 583) no Hoare annotation was computed. [2020-10-14 23:41:43,446 INFO L268 CegarLoopResult]: For program point sll_circular_createEXIT(lines 572 583) no Hoare annotation was computed. [2020-10-14 23:41:43,446 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 23:41:43,446 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-14 23:41:43,446 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 23:41:43,446 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 23:41:43,446 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 609 628) no Hoare annotation was computed. [2020-10-14 23:41:43,446 INFO L268 CegarLoopResult]: For program point L624(line 624) no Hoare annotation was computed. [2020-10-14 23:41:43,446 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 609 628) no Hoare annotation was computed. [2020-10-14 23:41:43,447 INFO L264 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: (let ((.cse1 (+ main_~i~0 main_~len~0)) (.cse2 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 4)))) (or (let ((.cse3 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))) (let ((.cse0 (select (select |#memory_int| .cse3) (+ (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset) 4)))) (and (<= (* 2 main_~len~0) (+ .cse0 1)) (<= (+ main_~i~0 1) main_~len~0) (<= main_~expected~0 .cse0) (<= 1 main_~i~0) (<= .cse0 .cse1) (= .cse1 (+ .cse2 1)) (<= .cse0 main_~expected~0) (not (= .cse3 main_~s~0.base)) (<= main_~i~0 1)))) (and (<= main_~i~0 0) (<= main_~len~0 2) (<= 2 main_~len~0) (<= 0 main_~i~0) (= main_~expected~0 .cse2) (= .cse1 .cse2)))) [2020-10-14 23:41:43,447 INFO L268 CegarLoopResult]: For program point L620-1(line 620) no Hoare annotation was computed. [2020-10-14 23:41:43,447 INFO L268 CegarLoopResult]: For program point L620-2(lines 620 622) no Hoare annotation was computed. [2020-10-14 23:41:43,447 INFO L264 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse7 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)) (.cse8 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset))) (let ((.cse1 (* 2 main_~len~0)) (.cse2 (<= main_~s~0.offset .cse8)) (.cse3 (= (+ main_~i~0 main_~len~0) main_~new_data~0)) (.cse4 (not (= .cse7 main_~s~0.base))) (.cse5 (<= main_~i~0 1))) (or (let ((.cse0 (+ main_~new_data~0 1))) (and (<= 1 main_~i~0) (<= .cse0 .cse1) .cse2 .cse3 (<= .cse1 .cse0) .cse4 .cse5)) (let ((.cse6 (select (select |#memory_int| .cse7) (+ .cse8 4)))) (and (<= main_~len~0 2) (= (+ main_~len~0 1) .cse6) (<= (+ .cse6 1) .cse1) .cse2 .cse3 (<= main_~len~0 (+ main_~i~0 2)) .cse4 .cse5))))) [2020-10-14 23:41:43,447 INFO L268 CegarLoopResult]: For program point L618-2(lines 618 623) no Hoare annotation was computed. [2020-10-14 23:41:43,447 INFO L268 CegarLoopResult]: For program point L616-1(lines 614 617) no Hoare annotation was computed. [2020-10-14 23:41:43,448 INFO L264 CegarLoopResult]: At program point L618-3(lines 618 623) the Hoare annotation is: (let ((.cse2 (+ main_~i~0 main_~len~0)) (.cse3 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 4))) (.cse5 (<= main_~len~0 2)) (.cse6 (<= 2 main_~len~0)) (.cse1 (+ main_~i~0 1))) (or (let ((.cse4 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))) (let ((.cse0 (select (select |#memory_int| .cse4) (+ (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset) 4)))) (and (<= (* 2 main_~len~0) (+ .cse0 1)) (<= .cse1 main_~len~0) (<= 1 main_~i~0) (<= .cse0 .cse2) (= .cse2 (+ .cse3 1)) (not (= .cse4 main_~s~0.base)) (<= main_~i~0 1)))) (and (<= main_~i~0 0) .cse5 .cse6 (= .cse2 .cse3)) (and .cse5 .cse6 (<= .cse1 0)))) [2020-10-14 23:41:43,448 INFO L271 CegarLoopResult]: At program point L618-4(lines 618 623) the Hoare annotation is: true [2020-10-14 23:41:43,448 INFO L264 CegarLoopResult]: At program point L612(line 612) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= main_~len~0 2) (<= 2 main_~len~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 23:41:43,448 INFO L264 CegarLoopResult]: At program point L614-2(lines 614 617) the Hoare annotation is: (let ((.cse10 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)) (.cse11 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset))) (let ((.cse9 (select (select |#memory_int| .cse10) (+ .cse11 4)))) (let ((.cse5 (+ .cse9 1)) (.cse4 (* 2 main_~len~0))) (let ((.cse0 (+ main_~i~0 1)) (.cse6 (<= main_~len~0 2)) (.cse7 (<= .cse5 .cse4)) (.cse1 (<= main_~s~0.offset .cse11)) (.cse2 (not (= .cse10 main_~s~0.base))) (.cse3 (<= main_~i~0 1))) (or (and (<= .cse0 main_~len~0) (<= 1 main_~i~0) (<= main_~len~0 .cse0) .cse1 .cse2 .cse3) (and (= (+ (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 4)) 2) (* main_~len~0 2)) (<= .cse4 .cse5) .cse6 (<= 2 main_~len~0) .cse7 (<= .cse0 0) .cse2) (let ((.cse8 (+ main_~new_data~0 1))) (and .cse6 (<= .cse8 .cse4) .cse7 (= (+ main_~len~0 1) .cse9) .cse1 (<= 0 main_~i~0) (<= .cse4 .cse8) .cse2 .cse3))))))) [2020-10-14 23:41:43,448 INFO L268 CegarLoopResult]: For program point L612-1(line 612) no Hoare annotation was computed. [2020-10-14 23:41:43,449 INFO L268 CegarLoopResult]: For program point L614-3(lines 614 617) no Hoare annotation was computed. [2020-10-14 23:41:43,449 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 626) no Hoare annotation was computed. [2020-10-14 23:41:43,449 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 609 628) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 23:41:43,449 INFO L264 CegarLoopResult]: At program point L621(lines 609 628) the Hoare annotation is: false [2020-10-14 23:41:43,449 INFO L264 CegarLoopResult]: At program point sll_circular_destroyENTRY(lines 584 594) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-10-14 23:41:43,449 INFO L268 CegarLoopResult]: For program point sll_circular_destroyEXIT(lines 584 594) no Hoare annotation was computed. [2020-10-14 23:41:43,449 INFO L268 CegarLoopResult]: For program point L585(lines 585 593) no Hoare annotation was computed. [2020-10-14 23:41:43,450 INFO L271 CegarLoopResult]: At program point L587-2(lines 587 591) the Hoare annotation is: true [2020-10-14 23:41:43,450 INFO L268 CegarLoopResult]: For program point L587-3(lines 587 591) no Hoare annotation was computed. [2020-10-14 23:41:43,450 INFO L268 CegarLoopResult]: For program point L585-2(lines 584 594) no Hoare annotation was computed. [2020-10-14 23:41:43,450 INFO L268 CegarLoopResult]: For program point sll_circular_update_atEXIT(lines 602 608) no Hoare annotation was computed. [2020-10-14 23:41:43,450 INFO L264 CegarLoopResult]: At program point sll_circular_update_atENTRY(lines 602 608) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-14 23:41:43,450 INFO L268 CegarLoopResult]: For program point sll_circular_update_atFINAL(lines 602 608) no Hoare annotation was computed. [2020-10-14 23:41:43,450 INFO L264 CegarLoopResult]: At program point L603-2(lines 603 606) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (let ((.cse3 (+ sll_circular_update_at_~index 1))) (let ((.cse0 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (.cse1 (<= .cse3 |sll_circular_update_at_#in~index|)) (.cse2 (= |sll_circular_update_at_#in~data| sll_circular_update_at_~data))) (or (and .cse0 (<= 2 |sll_circular_update_at_#in~index|) .cse1) (and .cse0 (<= |sll_circular_update_at_#in~index| sll_circular_update_at_~index) (= |sll_circular_update_at_#in~head.base| sll_circular_update_at_~head.base) (= sll_circular_update_at_~head.offset |sll_circular_update_at_#in~head.offset|) (<= sll_circular_update_at_~index |sll_circular_update_at_#in~index|) .cse2) (and (<= |sll_circular_update_at_#in~index| .cse3) .cse0 (= sll_circular_update_at_~head.offset (select (select |#memory_$Pointer$.offset| |sll_circular_update_at_#in~head.base|) |sll_circular_update_at_#in~head.offset|)) (= (select (select |#memory_$Pointer$.base| |sll_circular_update_at_#in~head.base|) |sll_circular_update_at_#in~head.offset|) sll_circular_update_at_~head.base) .cse1 (<= 1 |sll_circular_update_at_#in~index|) .cse2)))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-14 23:41:43,451 INFO L268 CegarLoopResult]: For program point L603-3(lines 603 606) no Hoare annotation was computed. [2020-10-14 23:41:43,451 INFO L264 CegarLoopResult]: At program point node_createENTRY(lines 563 571) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 23:41:43,451 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 563 571) no Hoare annotation was computed. [2020-10-14 23:41:43,451 INFO L271 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: true [2020-10-14 23:41:43,451 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 563 571) no Hoare annotation was computed. [2020-10-14 23:41:43,451 INFO L268 CegarLoopResult]: For program point L565(lines 565 567) no Hoare annotation was computed. [2020-10-14 23:41:43,451 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 567) no Hoare annotation was computed. [2020-10-14 23:41:43,462 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,464 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,464 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,466 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,466 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,467 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,470 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,471 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,471 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,472 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,472 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,474 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,475 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,475 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,475 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,476 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,476 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,476 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,477 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,477 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,477 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,478 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,478 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,478 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,478 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,479 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,479 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,479 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,479 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,480 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,480 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,480 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,480 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,481 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,481 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,481 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,481 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,482 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,482 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,482 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,482 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,482 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,483 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,484 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,484 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,484 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,487 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,487 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,487 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,487 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,487 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,488 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,488 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,488 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,488 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,489 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,489 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,489 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,489 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,493 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,493 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,493 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,494 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,494 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,497 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,497 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,497 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,497 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,498 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,498 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,498 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,498 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,499 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,499 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,501 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,501 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,501 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,501 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,502 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,502 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,503 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,503 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,503 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,503 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,504 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,504 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,504 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,504 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,504 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,505 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,505 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,505 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,505 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,505 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,506 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,506 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,506 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,506 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,506 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,507 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,507 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,508 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,508 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,508 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,509 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,511 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,511 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,511 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,512 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,512 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,512 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,513 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,513 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,513 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,513 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,513 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:41:43 BoogieIcfgContainer [2020-10-14 23:41:43,517 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 23:41:43,519 INFO L168 Benchmark]: Toolchain (without parser) took 67546.27 ms. Allocated memory was 148.4 MB in the beginning and 874.0 MB in the end (delta: 725.6 MB). Free memory was 102.7 MB in the beginning and 597.3 MB in the end (delta: -494.6 MB). Peak memory consumption was 231.0 MB. Max. memory is 7.1 GB. [2020-10-14 23:41:43,520 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-10-14 23:41:43,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.71 ms. Allocated memory was 148.4 MB in the beginning and 205.5 MB in the end (delta: 57.1 MB). Free memory was 102.7 MB in the beginning and 169.7 MB in the end (delta: -67.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2020-10-14 23:41:43,522 INFO L168 Benchmark]: Boogie Preprocessor took 62.24 ms. Allocated memory is still 205.5 MB. Free memory was 169.7 MB in the beginning and 167.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-14 23:41:43,523 INFO L168 Benchmark]: RCFGBuilder took 637.45 ms. Allocated memory is still 205.5 MB. Free memory was 167.0 MB in the beginning and 118.4 MB in the end (delta: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. [2020-10-14 23:41:43,523 INFO L168 Benchmark]: TraceAbstraction took 66164.65 ms. Allocated memory was 205.5 MB in the beginning and 874.0 MB in the end (delta: 668.5 MB). Free memory was 117.4 MB in the beginning and 597.3 MB in the end (delta: -479.8 MB). Peak memory consumption was 188.6 MB. Max. memory is 7.1 GB. [2020-10-14 23:41:43,527 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 676.71 ms. Allocated memory was 148.4 MB in the beginning and 205.5 MB in the end (delta: 57.1 MB). Free memory was 102.7 MB in the beginning and 169.7 MB in the end (delta: -67.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.24 ms. Allocated memory is still 205.5 MB. Free memory was 169.7 MB in the beginning and 167.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 637.45 ms. Allocated memory is still 205.5 MB. Free memory was 167.0 MB in the beginning and 118.4 MB in the end (delta: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 66164.65 ms. Allocated memory was 205.5 MB in the beginning and 874.0 MB in the end (delta: 668.5 MB). Free memory was 117.4 MB in the beginning and 597.3 MB in the end (delta: -479.8 MB). Peak memory consumption was 188.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 626]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 575]: Loop Invariant [2020-10-14 23:41:43,542 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,542 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,543 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,543 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,543 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,543 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,544 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,544 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,544 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,544 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,544 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,545 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((head == last && head == 0) && last == 0) && \old(len) == len) && !(\valid[last] == 0)) || (((((!(#memory_$Pointer$[head][head] == head) && head == 0) && len + 1 <= \old(len)) && !(head == last)) && #memory_$Pointer$[head][head] == 0) && head == last)) || ((((head == 0 && 3 <= \old(len)) && len + 1 <= \old(len)) && #memory_$Pointer$[head][head] == 0) && head == last) - InvariantResult [Line: 614]: Loop Invariant [2020-10-14 23:41:43,545 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,545 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,545 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,546 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,546 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,546 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,546 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,546 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,547 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,547 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,547 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,547 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,547 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,548 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,548 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,548 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,548 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,548 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,549 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,549 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,549 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,549 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,549 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,549 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,550 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,550 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,550 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,550 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,551 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,553 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,553 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,553 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,553 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,554 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,554 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,554 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,554 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,554 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,554 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,555 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,555 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,555 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,555 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,555 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,556 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,556 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,556 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,556 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,556 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,557 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,557 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,557 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,557 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,557 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,557 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((i + 1 <= len && 1 <= i) && len <= i + 1) && s <= #memory_$Pointer$[s][s]) && !(#memory_$Pointer$[s][s] == s)) && i <= 1) || ((((((unknown-#memory_int-unknown[s][s + 4] + 2 == len * 2 && 2 * len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] + 1) && len <= 2) && 2 <= len) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] + 1 <= 2 * len) && i + 1 <= 0) && !(#memory_$Pointer$[s][s] == s))) || ((((((((len <= 2 && new_data + 1 <= 2 * len) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] + 1 <= 2 * len) && len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4]) && s <= #memory_$Pointer$[s][s]) && 0 <= i) && 2 * len <= new_data + 1) && !(#memory_$Pointer$[s][s] == s)) && i <= 1) - InvariantResult [Line: 596]: Loop Invariant [2020-10-14 23:41:43,558 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,558 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,559 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,559 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,560 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,560 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((2 <= \old(index) && index + 1 <= \old(index)) || ((((\old(index) <= index + 1 && #memory_$Pointer$[head][head] == head) && #memory_$Pointer$[head][head] == head) && 1 <= \old(index)) && index + 1 <= \old(index))) || ((head == head && index == \old(index)) && head == head) - InvariantResult [Line: 609]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 603]: Loop Invariant [2020-10-14 23:41:43,560 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,560 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,561 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,561 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,561 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,561 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,562 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,563 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,563 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,563 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,563 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,563 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,563 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown) && ((((#memory_$Pointer$ == \old(#memory_$Pointer$) && 2 <= \old(index)) && index + 1 <= \old(index)) || (((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(index) <= index) && head == head) && head == head) && index <= \old(index)) && \old(data) == data)) || ((((((\old(index) <= index + 1 && #memory_$Pointer$ == \old(#memory_$Pointer$)) && head == #memory_$Pointer$[head][head]) && #memory_$Pointer$[head][head] == head) && index + 1 <= \old(index)) && 1 <= \old(index)) && \old(data) == data))) && #memory_$Pointer$ == \old(#memory_$Pointer$) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 618]: Loop Invariant [2020-10-14 23:41:43,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,570 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,570 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,570 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:41:43,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:41:43,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:41:43,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:41:43,575 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((((2 * len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] + 1 && i + 1 <= len) && 1 <= i) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] <= i + len) && i + len == unknown-#memory_int-unknown[s][s + 4] + 1) && !(#memory_$Pointer$[s][s] == s)) && i <= 1) || (((i <= 0 && len <= 2) && 2 <= len) && i + len == unknown-#memory_int-unknown[s][s + 4])) || ((len <= 2 && 2 <= len) && i + 1 <= 0) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 64.9s, OverallIterations: 14, TraceHistogramMax: 3, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 523 SDtfs, 721 SDslu, 2393 SDs, 0 SdLazy, 4864 SolverSat, 491 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 436 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 263 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 787 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 42 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 99 PreInvPairs, 166 NumberOfFragments, 906 HoareAnnotationTreeSize, 99 FomulaSimplifications, 1178 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 25 FomulaSimplificationsInter, 894 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 55.4s InterpolantComputationTime, 785 NumberOfCodeBlocks, 785 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 771 ConstructedInterpolants, 0 QuantifiedInterpolants, 241048 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 3 PerfectInterpolantSequences, 217/278 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...