/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/list-simple/sll2c_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 20:06:31,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 20:06:31,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 20:06:31,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 20:06:31,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 20:06:31,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 20:06:31,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 20:06:31,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 20:06:31,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 20:06:31,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 20:06:31,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 20:06:31,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 20:06:31,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 20:06:31,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 20:06:31,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 20:06:31,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 20:06:31,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 20:06:31,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 20:06:31,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 20:06:31,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 20:06:31,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 20:06:31,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 20:06:31,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 20:06:31,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 20:06:31,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 20:06:31,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 20:06:31,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 20:06:31,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 20:06:31,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 20:06:31,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 20:06:31,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 20:06:31,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 20:06:31,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 20:06:31,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 20:06:31,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 20:06:31,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 20:06:31,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 20:06:31,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 20:06:31,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 20:06:31,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 20:06:31,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 20:06:31,179 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 [2020-10-27 20:06:31,231 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 20:06:31,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 20:06:31,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 20:06:31,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 20:06:31,234 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 20:06:31,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 20:06:31,235 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 20:06:31,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 20:06:31,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 20:06:31,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 20:06:31,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 20:06:31,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 20:06:31,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 20:06:31,236 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 20:06:31,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 20:06:31,236 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 20:06:31,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 20:06:31,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 20:06:31,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 20:06:31,237 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 20:06:31,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 20:06:31,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:06:31,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 20:06:31,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 20:06:31,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 20:06:31,238 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 20:06:31,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 20:06:31,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 20:06:31,239 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 20:06:31,239 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 20:06:31,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 20:06:31,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 20:06:31,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 20:06:31,650 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 20:06:31,650 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 20:06:31,651 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_update_all_reverse.i [2020-10-27 20:06:31,736 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2858aecaf/35c9858c68ee49cbb613ba1b3e3e26ee/FLAG5a78cd204 [2020-10-27 20:06:32,530 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 20:06:32,532 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/sll2c_update_all_reverse.i [2020-10-27 20:06:32,557 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2858aecaf/35c9858c68ee49cbb613ba1b3e3e26ee/FLAG5a78cd204 [2020-10-27 20:06:32,744 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2858aecaf/35c9858c68ee49cbb613ba1b3e3e26ee [2020-10-27 20:06:32,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 20:06:32,755 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 20:06:32,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 20:06:32,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 20:06:32,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 20:06:32,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:06:32" (1/1) ... [2020-10-27 20:06:32,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a59c40f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:06:32, skipping insertion in model container [2020-10-27 20:06:32,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:06:32" (1/1) ... [2020-10-27 20:06:32,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 20:06:32,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 20:06:33,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:06:33,164 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 20:06:33,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:06:33,346 INFO L208 MainTranslator]: Completed translation [2020-10-27 20:06:33,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:06:33 WrapperNode [2020-10-27 20:06:33,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 20:06:33,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 20:06:33,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 20:06:33,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 20:06:33,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:06:33" (1/1) ... [2020-10-27 20:06:33,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:06:33" (1/1) ... [2020-10-27 20:06:33,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:06:33" (1/1) ... [2020-10-27 20:06:33,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:06:33" (1/1) ... [2020-10-27 20:06:33,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:06:33" (1/1) ... [2020-10-27 20:06:33,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:06:33" (1/1) ... [2020-10-27 20:06:33,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:06:33" (1/1) ... [2020-10-27 20:06:33,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 20:06:33,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 20:06:33,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 20:06:33,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 20:06:33,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:06:33" (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 [2020-10-27 20:06:33,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 20:06:33,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 20:06:33,530 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 20:06:33,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-27 20:06:33,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-27 20:06:33,530 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-27 20:06:33,531 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-27 20:06:33,531 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2020-10-27 20:06:33,531 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_destroy [2020-10-27 20:06:33,531 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_get_data_at [2020-10-27 20:06:33,531 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_update_at [2020-10-27 20:06:33,532 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 20:06:33,532 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 20:06:33,532 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 20:06:33,532 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 20:06:33,532 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 20:06:33,533 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 20:06:33,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 20:06:33,533 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-27 20:06:33,533 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-27 20:06:33,533 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-27 20:06:33,533 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-27 20:06:33,534 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-27 20:06:33,534 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-27 20:06:33,534 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-27 20:06:33,534 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-27 20:06:33,534 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-27 20:06:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-27 20:06:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-27 20:06:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-27 20:06:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-27 20:06:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-27 20:06:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-27 20:06:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-27 20:06:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-27 20:06:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-27 20:06:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-27 20:06:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-27 20:06:33,537 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-27 20:06:33,537 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-27 20:06:33,537 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-27 20:06:33,537 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-27 20:06:33,537 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-27 20:06:33,537 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-27 20:06:33,537 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-27 20:06:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-27 20:06:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-27 20:06:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-27 20:06:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-27 20:06:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-27 20:06:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-27 20:06:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-27 20:06:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-27 20:06:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-27 20:06:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-27 20:06:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-27 20:06:33,540 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-27 20:06:33,540 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-27 20:06:33,540 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-27 20:06:33,540 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-27 20:06:33,540 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-27 20:06:33,541 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-27 20:06:33,541 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-27 20:06:33,541 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-27 20:06:33,541 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-27 20:06:33,541 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-27 20:06:33,542 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-27 20:06:33,542 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-27 20:06:33,542 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-27 20:06:33,542 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-27 20:06:33,542 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 20:06:33,542 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 20:06:33,543 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-27 20:06:33,543 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 20:06:33,543 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-27 20:06:33,543 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-27 20:06:33,543 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-27 20:06:33,543 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-27 20:06:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-27 20:06:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-27 20:06:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-27 20:06:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-27 20:06:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 20:06:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-27 20:06:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-27 20:06:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-27 20:06:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-27 20:06:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-27 20:06:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-27 20:06:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-27 20:06:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-27 20:06:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-27 20:06:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-27 20:06:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-27 20:06:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-27 20:06:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-27 20:06:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-27 20:06:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-27 20:06:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-27 20:06:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-27 20:06:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-27 20:06:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-27 20:06:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-27 20:06:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-27 20:06:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-27 20:06:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-27 20:06:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-27 20:06:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-27 20:06:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-27 20:06:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-27 20:06:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-27 20:06:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-27 20:06:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-27 20:06:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-27 20:06:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-27 20:06:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-27 20:06:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-27 20:06:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-27 20:06:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-27 20:06:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-27 20:06:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-27 20:06:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-27 20:06:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-27 20:06:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-27 20:06:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 20:06:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 20:06:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 20:06:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2020-10-27 20:06:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_destroy [2020-10-27 20:06:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 20:06:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 20:06:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_get_data_at [2020-10-27 20:06:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 20:06:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_update_at [2020-10-27 20:06:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 20:06:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 20:06:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 20:06:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 20:06:33,907 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-27 20:06:34,165 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 20:06:34,166 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-27 20:06:34,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:06:34 BoogieIcfgContainer [2020-10-27 20:06:34,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 20:06:34,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 20:06:34,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 20:06:34,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 20:06:34,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:06:32" (1/3) ... [2020-10-27 20:06:34,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a44828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:06:34, skipping insertion in model container [2020-10-27 20:06:34,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:06:33" (2/3) ... [2020-10-27 20:06:34,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a44828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:06:34, skipping insertion in model container [2020-10-27 20:06:34,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:06:34" (3/3) ... [2020-10-27 20:06:34,178 INFO L111 eAbstractionObserver]: Analyzing ICFG sll2c_update_all_reverse.i [2020-10-27 20:06:34,190 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 20:06:34,196 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 20:06:34,211 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 20:06:34,240 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 20:06:34,241 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 20:06:34,241 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 20:06:34,241 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 20:06:34,241 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 20:06:34,241 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 20:06:34,241 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 20:06:34,241 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 20:06:34,261 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2020-10-27 20:06:34,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-27 20:06:34,269 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:06:34,270 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] [2020-10-27 20:06:34,271 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:06:34,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:06:34,278 INFO L82 PathProgramCache]: Analyzing trace with hash -2066695310, now seen corresponding path program 1 times [2020-10-27 20:06:34,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:06:34,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [988771049] [2020-10-27 20:06:34,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:06:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:34,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:34,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:34,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:35,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:36,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:36,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-27 20:06:36,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:06:36,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2180 [2020-10-27 20:06:36,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:36,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:06:36,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 20:06:36,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 20:06:36,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 20:06:36,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:06:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:36,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:36,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:36,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:06:36,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:06:36,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 20:06:36,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:36,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:06:36,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:06:36,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:06:36,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:06:36,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:06:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:36,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:36,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:36,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 20:06:36,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:06:36,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 20:06:36,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:36,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:06:36,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:06:36,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:06:36,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 20:06:36,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:06:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:36,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:36,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:36,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:06:36,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:06:36,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:06:36,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:36,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:06:36,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:06:36,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:06:36,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:06:36,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:06:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:36,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:36,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:36,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:06:36,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:06:36,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:06:36,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:36,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:06:36,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 20:06:36,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:06:36,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:06:36,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:06:36,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [988771049] [2020-10-27 20:06:36,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:06:36,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 20:06:36,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142350117] [2020-10-27 20:06:36,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 20:06:36,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:06:36,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 20:06:36,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-27 20:06:36,992 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 7 states. [2020-10-27 20:06:37,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:06:37,447 INFO L93 Difference]: Finished difference Result 121 states and 170 transitions. [2020-10-27 20:06:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 20:06:37,449 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-10-27 20:06:37,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:06:37,460 INFO L225 Difference]: With dead ends: 121 [2020-10-27 20:06:37,460 INFO L226 Difference]: Without dead ends: 54 [2020-10-27 20:06:37,464 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-27 20:06:37,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-27 20:06:37,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 46. [2020-10-27 20:06:37,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-27 20:06:37,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2020-10-27 20:06:37,519 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 34 [2020-10-27 20:06:37,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:06:37,519 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2020-10-27 20:06:37,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 20:06:37,520 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2020-10-27 20:06:37,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-27 20:06:37,522 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:06:37,523 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, 1] [2020-10-27 20:06:37,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 20:06:37,523 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:06:37,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:06:37,524 INFO L82 PathProgramCache]: Analyzing trace with hash -940956612, now seen corresponding path program 1 times [2020-10-27 20:06:37,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:06:37,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729865937] [2020-10-27 20:06:37,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:06:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:37,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:37,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:37,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:37,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:38,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:39,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:40,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:41,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:42,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:42,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:42,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 20:06:42,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 20:06:42,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-27 20:06:42,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:42,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 20:06:42,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-27 20:06:42,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 20:06:42,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:06:42,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:06:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:42,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:42,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:42,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:06:42,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:06:42,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:06:42,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:42,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:06:42,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:06:42,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:06:42,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:06:42,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:06:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:42,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:42,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:42,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 20:06:42,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:06:42,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 20:06:42,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:42,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:06:42,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:06:42,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:06:42,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:06:42,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:06:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:42,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:42,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:42,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:06:42,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:06:42,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:06:42,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:42,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:06:42,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:06:42,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:06:42,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:06:42,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 20:06:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:42,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:42,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:42,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:06:42,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:06:42,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 20:06:42,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:42,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:06:42,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:06:42,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:06:42,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:06:42,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 20:06:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:42,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:43,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:43,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:06:43,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:06:43,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 20:06:43,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:43,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 20:06:43,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:06:43,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:06:43,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:06:43,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:06:43,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [729865937] [2020-10-27 20:06:43,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:06:43,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-27 20:06:43,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113241547] [2020-10-27 20:06:43,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 20:06:43,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:06:43,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 20:06:43,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2020-10-27 20:06:43,104 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand 16 states. [2020-10-27 20:06:44,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:06:44,123 INFO L93 Difference]: Finished difference Result 70 states and 81 transitions. [2020-10-27 20:06:44,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 20:06:44,123 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 42 [2020-10-27 20:06:44,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:06:44,127 INFO L225 Difference]: With dead ends: 70 [2020-10-27 20:06:44,127 INFO L226 Difference]: Without dead ends: 66 [2020-10-27 20:06:44,129 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=101, Invalid=549, Unknown=0, NotChecked=0, Total=650 [2020-10-27 20:06:44,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-27 20:06:44,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2020-10-27 20:06:44,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-27 20:06:44,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 75 transitions. [2020-10-27 20:06:44,144 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 75 transitions. Word has length 42 [2020-10-27 20:06:44,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:06:44,145 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 75 transitions. [2020-10-27 20:06:44,145 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 20:06:44,145 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 75 transitions. [2020-10-27 20:06:44,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-27 20:06:44,147 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:06:44,147 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, 1, 1] [2020-10-27 20:06:44,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 20:06:44,148 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:06:44,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:06:44,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1198096928, now seen corresponding path program 1 times [2020-10-27 20:06:44,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:06:44,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [862376328] [2020-10-27 20:06:44,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:06:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:44,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:44,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:44,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:44,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:44,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:45,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:45,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:49,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:49,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 20:06:49,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:06:49,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 20:06:49,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:49,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:06:49,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-27 20:06:49,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:06:49,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:06:49,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:06:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:49,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:49,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:49,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:06:49,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:06:49,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:06:49,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:49,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:06:49,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:06:49,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:06:49,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:06:49,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:06:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:49,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:49,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:49,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 20:06:49,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:06:49,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 20:06:49,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:49,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:06:49,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:06:49,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:06:49,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:06:49,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:06:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:49,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:49,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:49,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:06:49,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:06:49,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:06:49,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:49,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:06:49,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:06:49,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:06:49,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:06:49,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 20:06:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:49,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:49,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:49,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:06:49,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:06:49,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 20:06:49,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:49,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:06:49,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:06:49,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:06:49,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:06:49,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 20:06:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:49,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:49,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:49,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:06:49,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:06:49,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:06:49,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:49,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:06:49,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 20:06:49,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:06:49,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:06:49,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:06:49,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [862376328] [2020-10-27 20:06:49,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:06:49,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 20:06:49,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407758886] [2020-10-27 20:06:49,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 20:06:49,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:06:49,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 20:06:49,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-27 20:06:49,412 INFO L87 Difference]: Start difference. First operand 64 states and 75 transitions. Second operand 9 states. [2020-10-27 20:06:49,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:06:49,875 INFO L93 Difference]: Finished difference Result 77 states and 87 transitions. [2020-10-27 20:06:49,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 20:06:49,876 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 43 [2020-10-27 20:06:49,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:06:49,878 INFO L225 Difference]: With dead ends: 77 [2020-10-27 20:06:49,879 INFO L226 Difference]: Without dead ends: 58 [2020-10-27 20:06:49,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2020-10-27 20:06:49,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-10-27 20:06:49,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2020-10-27 20:06:49,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-27 20:06:49,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 64 transitions. [2020-10-27 20:06:49,892 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 64 transitions. Word has length 43 [2020-10-27 20:06:49,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:06:49,893 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 64 transitions. [2020-10-27 20:06:49,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 20:06:49,893 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2020-10-27 20:06:49,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-27 20:06:49,895 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:06:49,895 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, 1, 1] [2020-10-27 20:06:49,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 20:06:49,896 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:06:49,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:06:49,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1653389491, now seen corresponding path program 1 times [2020-10-27 20:06:49,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:06:49,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [478361725] [2020-10-27 20:06:49,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:06:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:49,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:49,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:49,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:50,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:50,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:50,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:50,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:51,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:54,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:54,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 20:06:54,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 20:06:54,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 20:06:54,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:54,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 20:06:54,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 20:06:54,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 20:06:54,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:06:54,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:06:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:54,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:55,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:55,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:06:55,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:06:55,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:06:55,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:55,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:06:55,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:06:55,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:06:55,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:06:55,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:06:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:55,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:55,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:55,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 20:06:55,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:06:55,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 20:06:55,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:55,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:06:55,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:06:55,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:06:55,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:06:55,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:06:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:55,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:55,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:55,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:06:55,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:06:55,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:06:55,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:55,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:06:55,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:06:55,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:06:55,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:06:55,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 20:06:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:55,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:55,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:55,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:06:55,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:06:55,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 20:06:55,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:55,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:06:55,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:06:55,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:06:55,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:06:55,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 20:06:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:55,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:55,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:55,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:06:55,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:06:55,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 20:06:55,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:55,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:06:55,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:06:55,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:06:55,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:06:55,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:06:55,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [478361725] [2020-10-27 20:06:55,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:06:55,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 20:06:55,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192829186] [2020-10-27 20:06:55,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 20:06:55,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:06:55,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 20:06:55,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2020-10-27 20:06:55,181 INFO L87 Difference]: Start difference. First operand 57 states and 64 transitions. Second operand 12 states. [2020-10-27 20:06:56,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:06:56,048 INFO L93 Difference]: Finished difference Result 109 states and 131 transitions. [2020-10-27 20:06:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:06:56,049 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 43 [2020-10-27 20:06:56,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:06:56,051 INFO L225 Difference]: With dead ends: 109 [2020-10-27 20:06:56,051 INFO L226 Difference]: Without dead ends: 77 [2020-10-27 20:06:56,052 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2020-10-27 20:06:56,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-27 20:06:56,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 68. [2020-10-27 20:06:56,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-27 20:06:56,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 79 transitions. [2020-10-27 20:06:56,068 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 79 transitions. Word has length 43 [2020-10-27 20:06:56,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:06:56,068 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 79 transitions. [2020-10-27 20:06:56,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 20:06:56,068 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2020-10-27 20:06:56,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-27 20:06:56,071 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:06:56,071 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:06:56,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 20:06:56,071 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:06:56,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:06:56,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1989566623, now seen corresponding path program 1 times [2020-10-27 20:06:56,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:06:56,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2048231925] [2020-10-27 20:06:56,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:06:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:56,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:56,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:56,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:56,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:57,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:57,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 20:06:57,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:06:57,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1296 [2020-10-27 20:06:57,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:57,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 20:06:57,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:06:57,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-27 20:06:57,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:06:57,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:06:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:57,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:57,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:57,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:06:57,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:06:57,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:06:57,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:57,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:06:57,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:06:57,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:06:57,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:06:57,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:06:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:57,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:57,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:57,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 20:06:57,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:06:57,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-27 20:06:57,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:57,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:06:57,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:06:57,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 20:06:57,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:06:57,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:06:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:57,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:57,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:57,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:06:57,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:06:57,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 20:06:57,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:57,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:06:57,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:06:57,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:06:57,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:06:57,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 20:06:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:57,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:57,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:57,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:06:57,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:06:57,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:06:57,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:57,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:06:57,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:06:57,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:06:57,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:06:57,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 20:06:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:57,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:57,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:57,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:06:57,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:06:57,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:06:57,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:57,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:06:57,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:06:57,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:06:57,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:06:57,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 20:06:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:57,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:57,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:06:57,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:06:57,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:06:57,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:06:57,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:06:57,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:06:57,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:06:57,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:06:57,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:06:57,703 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 20:06:57,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2048231925] [2020-10-27 20:06:57,704 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:06:57,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 20:06:57,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548861043] [2020-10-27 20:06:57,706 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 20:06:57,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:06:57,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 20:06:57,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:06:57,708 INFO L87 Difference]: Start difference. First operand 68 states and 79 transitions. Second operand 11 states. [2020-10-27 20:06:58,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:06:58,234 INFO L93 Difference]: Finished difference Result 111 states and 134 transitions. [2020-10-27 20:06:58,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 20:06:58,236 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 52 [2020-10-27 20:06:58,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:06:58,238 INFO L225 Difference]: With dead ends: 111 [2020-10-27 20:06:58,238 INFO L226 Difference]: Without dead ends: 71 [2020-10-27 20:06:58,240 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2020-10-27 20:06:58,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-27 20:06:58,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2020-10-27 20:06:58,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-27 20:06:58,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 80 transitions. [2020-10-27 20:06:58,255 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 80 transitions. Word has length 52 [2020-10-27 20:06:58,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:06:58,255 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 80 transitions. [2020-10-27 20:06:58,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 20:06:58,255 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2020-10-27 20:06:58,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-27 20:06:58,258 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:06:58,258 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, 1, 1] [2020-10-27 20:06:58,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 20:06:58,258 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:06:58,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:06:58,259 INFO L82 PathProgramCache]: Analyzing trace with hash 2072431031, now seen corresponding path program 1 times [2020-10-27 20:06:58,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:06:58,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [190294684] [2020-10-27 20:06:58,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:06:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:06:58,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:59,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:06:59,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:00,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:00,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:01,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:03,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:03,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 20:07:03,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:07:03,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 20:07:03,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:03,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 20:07:03,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 20:07:03,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-27 20:07:03,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:03,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:07:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:03,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:03,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:03,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:07:03,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:03,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:07:03,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:03,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:03,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:03,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:03,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:03,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:07:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:03,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:03,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:03,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 20:07:03,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:03,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-10-27 20:07:03,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:03,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 20:07:03,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:03,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 20:07:03,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:04,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:07:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:04,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:04,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:04,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:07:04,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:04,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 20:07:04,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:04,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:07:04,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:04,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:07:04,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:04,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:07:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:04,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:04,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:04,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:07:04,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:04,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 20:07:04,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:04,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 20:07:04,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 20:07:04,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:07:04,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:04,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 20:07:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:04,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:04,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:04,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:07:04,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:04,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 20:07:04,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:04,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 20:07:04,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 20:07:04,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 20:07:04,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:04,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 20:07:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:04,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:04,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:04,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:07:04,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:04,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 20:07:04,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:04,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 20:07:04,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 20:07:04,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:07:04,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:04,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 20:07:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:04,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:04,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:04,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:07:04,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:04,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 20:07:04,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:04,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 20:07:04,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:04,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:07:04,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:05,123 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-27 20:07:05,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [190294684] [2020-10-27 20:07:05,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:07:05,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-27 20:07:05,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930539279] [2020-10-27 20:07:05,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-27 20:07:05,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:07:05,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-27 20:07:05,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=807, Unknown=0, NotChecked=0, Total=870 [2020-10-27 20:07:05,128 INFO L87 Difference]: Start difference. First operand 69 states and 80 transitions. Second operand 30 states. [2020-10-27 20:07:08,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:07:08,370 INFO L93 Difference]: Finished difference Result 121 states and 156 transitions. [2020-10-27 20:07:08,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 20:07:08,371 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 60 [2020-10-27 20:07:08,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:07:08,373 INFO L225 Difference]: With dead ends: 121 [2020-10-27 20:07:08,373 INFO L226 Difference]: Without dead ends: 117 [2020-10-27 20:07:08,375 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=192, Invalid=2064, Unknown=0, NotChecked=0, Total=2256 [2020-10-27 20:07:08,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-10-27 20:07:08,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 95. [2020-10-27 20:07:08,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-27 20:07:08,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 122 transitions. [2020-10-27 20:07:08,400 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 122 transitions. Word has length 60 [2020-10-27 20:07:08,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:07:08,400 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 122 transitions. [2020-10-27 20:07:08,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-27 20:07:08,401 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 122 transitions. [2020-10-27 20:07:08,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-27 20:07:08,404 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:07:08,404 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, 1, 1] [2020-10-27 20:07:08,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 20:07:08,405 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:07:08,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:07:08,405 INFO L82 PathProgramCache]: Analyzing trace with hash -33114325, now seen corresponding path program 2 times [2020-10-27 20:07:08,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:07:08,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [912158557] [2020-10-27 20:07:08,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:07:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:08,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:08,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:08,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:08,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:09,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:13,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:13,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 20:07:13,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:07:13,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 20:07:13,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 20:07:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:07:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 20:07:13,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:13,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:07:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:13,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:13,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:13,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:07:13,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:13,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:07:13,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:13,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:13,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:13,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:07:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:13,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:13,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:13,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 20:07:13,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:13,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 20:07:13,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:13,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:13,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:13,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:13,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:13,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:07:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:13,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:13,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:13,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:07:13,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:13,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:07:13,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:13,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:13,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:13,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:13,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:13,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:07:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:13,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:13,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:13,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:07:13,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:13,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:07:13,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:13,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:13,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:13,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 20:07:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:13,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:13,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:13,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 20:07:13,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:13,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 20:07:13,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:13,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:07:13,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:13,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:07:13,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:13,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 20:07:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:13,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:13,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:13,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:13,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:07:13,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:07:13,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 20:07:13,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:13,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:07:13,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:07:13,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:07:13,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:13,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 20:07:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:13,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:13,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:13,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:07:13,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:13,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:07:13,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:13,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:13,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 20:07:13,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:13,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:13,769 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 20:07:13,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [912158557] [2020-10-27 20:07:13,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:07:13,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 20:07:13,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535476660] [2020-10-27 20:07:13,771 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 20:07:13,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:07:13,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 20:07:13,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:07:13,773 INFO L87 Difference]: Start difference. First operand 95 states and 122 transitions. Second operand 13 states. [2020-10-27 20:07:14,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:07:14,472 INFO L93 Difference]: Finished difference Result 148 states and 189 transitions. [2020-10-27 20:07:14,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 20:07:14,474 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 61 [2020-10-27 20:07:14,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:07:14,477 INFO L225 Difference]: With dead ends: 148 [2020-10-27 20:07:14,479 INFO L226 Difference]: Without dead ends: 109 [2020-10-27 20:07:14,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2020-10-27 20:07:14,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-27 20:07:14,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 103. [2020-10-27 20:07:14,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-27 20:07:14,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 134 transitions. [2020-10-27 20:07:14,504 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 134 transitions. Word has length 61 [2020-10-27 20:07:14,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:07:14,504 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 134 transitions. [2020-10-27 20:07:14,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 20:07:14,505 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 134 transitions. [2020-10-27 20:07:14,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-27 20:07:14,507 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:07:14,508 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, 1, 1] [2020-10-27 20:07:14,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 20:07:14,508 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:07:14,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:07:14,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1567314226, now seen corresponding path program 3 times [2020-10-27 20:07:14,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:07:14,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1971235349] [2020-10-27 20:07:14,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:07:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:14,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:14,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:14,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:14,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:17,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:19,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:19,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 20:07:19,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:07:19,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 20:07:19,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:19,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 20:07:19,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-27 20:07:19,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 20:07:19,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:19,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:07:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:19,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:19,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:19,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:07:19,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:19,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:07:19,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:19,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:19,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:19,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:19,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:19,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:07:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:19,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:19,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:19,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 20:07:19,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:19,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 20:07:19,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:19,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:19,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:19,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:19,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:19,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:07:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:19,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:19,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:19,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:07:19,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:19,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:07:19,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:19,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:19,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:19,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:19,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:19,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:07:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:19,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:19,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:19,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:07:19,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:19,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:07:19,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:19,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:19,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:19,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:19,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:19,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 20:07:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:19,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:19,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:19,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:07:19,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:19,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 20:07:19,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:19,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:07:19,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:19,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:07:19,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:19,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 20:07:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:19,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:19,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:19,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:07:19,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:19,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:07:19,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:19,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:07:19,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:19,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:07:19,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:19,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 20:07:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:19,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:19,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:19,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 20:07:19,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:19,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:07:19,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:19,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:07:19,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:07:19,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:07:19,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:19,893 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-27 20:07:19,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1971235349] [2020-10-27 20:07:19,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:07:19,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 20:07:19,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063409541] [2020-10-27 20:07:19,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 20:07:19,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:07:19,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 20:07:19,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-27 20:07:19,895 INFO L87 Difference]: Start difference. First operand 103 states and 134 transitions. Second operand 14 states. [2020-10-27 20:07:20,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:07:20,839 INFO L93 Difference]: Finished difference Result 139 states and 179 transitions. [2020-10-27 20:07:20,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 20:07:20,840 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 61 [2020-10-27 20:07:20,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:07:20,842 INFO L225 Difference]: With dead ends: 139 [2020-10-27 20:07:20,848 INFO L226 Difference]: Without dead ends: 111 [2020-10-27 20:07:20,849 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=119, Invalid=531, Unknown=0, NotChecked=0, Total=650 [2020-10-27 20:07:20,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-27 20:07:20,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2020-10-27 20:07:20,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-10-27 20:07:20,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 127 transitions. [2020-10-27 20:07:20,892 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 127 transitions. Word has length 61 [2020-10-27 20:07:20,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:07:20,892 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 127 transitions. [2020-10-27 20:07:20,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 20:07:20,892 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 127 transitions. [2020-10-27 20:07:20,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-27 20:07:20,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:07:20,902 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, 1, 1] [2020-10-27 20:07:20,903 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 20:07:20,903 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:07:20,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:07:20,903 INFO L82 PathProgramCache]: Analyzing trace with hash -2006410545, now seen corresponding path program 4 times [2020-10-27 20:07:20,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:07:20,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [964272586] [2020-10-27 20:07:20,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:07:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:20,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:20,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:21,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:21,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:22,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:25,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:25,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 20:07:25,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:07:25,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 20:07:25,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:25,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 20:07:25,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:07:25,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 20:07:25,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:25,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:07:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:26,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:26,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:26,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:07:26,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:26,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:07:26,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:26,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:26,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:26,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:26,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:26,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:07:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:26,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:26,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:26,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 20:07:26,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:26,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-27 20:07:26,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:26,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:07:26,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:26,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 20:07:26,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:26,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:07:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:26,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:26,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:26,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:07:26,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:26,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:07:26,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:26,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:07:26,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:26,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:07:26,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:26,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:07:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:26,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:26,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:26,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:07:26,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:26,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:07:26,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:26,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:07:26,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:26,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:07:26,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:26,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 20:07:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:26,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:26,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:26,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:07:26,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:26,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:07:26,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:26,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:07:26,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:26,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:07:26,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:26,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 20:07:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:26,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:26,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:26,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:26,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:07:26,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:07:26,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 20:07:26,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:26,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:07:26,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:07:26,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:07:26,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:26,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 20:07:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:26,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:26,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:26,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:07:26,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:26,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 20:07:26,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:26,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:07:26,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:07:26,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:07:26,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:26,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 20:07:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:26,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:26,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:26,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:07:26,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:26,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:07:26,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:26,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:26,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 20:07:26,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:26,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:26,348 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-27 20:07:26,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [964272586] [2020-10-27 20:07:26,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:07:26,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 20:07:26,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387826511] [2020-10-27 20:07:26,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 20:07:26,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:07:26,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 20:07:26,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2020-10-27 20:07:26,351 INFO L87 Difference]: Start difference. First operand 99 states and 127 transitions. Second operand 15 states. [2020-10-27 20:07:27,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:07:27,411 INFO L93 Difference]: Finished difference Result 203 states and 268 transitions. [2020-10-27 20:07:27,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 20:07:27,413 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 68 [2020-10-27 20:07:27,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:07:27,419 INFO L225 Difference]: With dead ends: 203 [2020-10-27 20:07:27,419 INFO L226 Difference]: Without dead ends: 145 [2020-10-27 20:07:27,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=111, Invalid=539, Unknown=0, NotChecked=0, Total=650 [2020-10-27 20:07:27,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-27 20:07:27,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 101. [2020-10-27 20:07:27,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-27 20:07:27,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 130 transitions. [2020-10-27 20:07:27,473 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 130 transitions. Word has length 68 [2020-10-27 20:07:27,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:07:27,473 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 130 transitions. [2020-10-27 20:07:27,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 20:07:27,473 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 130 transitions. [2020-10-27 20:07:27,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-27 20:07:27,480 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:07:27,481 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, 1, 1] [2020-10-27 20:07:27,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 20:07:27,481 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:07:27,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:07:27,481 INFO L82 PathProgramCache]: Analyzing trace with hash 800978293, now seen corresponding path program 5 times [2020-10-27 20:07:27,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:07:27,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911610706] [2020-10-27 20:07:27,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:07:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:27,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:27,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:27,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:27,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:28,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:28,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:28,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:28,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:32,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:32,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:32,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 20:07:32,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 20:07:32,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5315 [2020-10-27 20:07:32,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:32,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 20:07:32,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:07:32,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 20:07:32,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:32,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:07:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:32,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:32,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:32,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:07:32,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:32,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:07:32,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:32,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:32,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:32,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:32,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:32,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:07:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:32,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:32,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:32,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 20:07:32,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:32,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 20:07:32,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:32,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:32,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:32,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:32,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:32,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:07:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:32,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:32,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:32,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:07:32,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:32,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:07:32,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:32,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:32,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:32,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:32,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:32,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:07:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:32,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:32,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:32,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:07:32,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:32,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:07:32,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:32,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:32,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:32,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:32,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:32,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 20:07:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:32,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:32,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:32,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:07:32,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:32,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 20:07:32,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:32,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:07:32,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:32,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:07:32,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:33,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 20:07:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:33,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:33,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:33,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:07:33,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:33,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:07:33,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:33,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:07:33,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:07:33,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:07:33,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:33,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 20:07:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:33,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:33,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:33,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:07:33,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:33,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:07:33,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:33,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:33,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 20:07:33,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:33,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:33,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 20:07:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:33,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:33,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:33,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:07:33,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:33,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:07:33,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:33,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:33,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 20:07:33,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:33,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:33,109 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 17 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 20:07:33,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911610706] [2020-10-27 20:07:33,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:07:33,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 20:07:33,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099472639] [2020-10-27 20:07:33,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 20:07:33,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:07:33,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 20:07:33,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-27 20:07:33,112 INFO L87 Difference]: Start difference. First operand 101 states and 130 transitions. Second operand 12 states. [2020-10-27 20:07:33,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:07:33,838 INFO L93 Difference]: Finished difference Result 161 states and 203 transitions. [2020-10-27 20:07:33,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:07:33,840 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 69 [2020-10-27 20:07:33,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:07:33,841 INFO L225 Difference]: With dead ends: 161 [2020-10-27 20:07:33,841 INFO L226 Difference]: Without dead ends: 90 [2020-10-27 20:07:33,843 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2020-10-27 20:07:33,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-10-27 20:07:33,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 86. [2020-10-27 20:07:33,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-27 20:07:33,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 102 transitions. [2020-10-27 20:07:33,858 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 102 transitions. Word has length 69 [2020-10-27 20:07:33,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:07:33,860 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 102 transitions. [2020-10-27 20:07:33,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 20:07:33,860 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 102 transitions. [2020-10-27 20:07:33,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-27 20:07:33,862 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:07:33,862 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 20:07:33,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 20:07:33,862 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:07:33,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:07:33,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1155536255, now seen corresponding path program 6 times [2020-10-27 20:07:33,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:07:33,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1792191780] [2020-10-27 20:07:33,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:07:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:33,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:33,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:33,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:34,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:34,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:34,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:34,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:34,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:34,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:38,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:38,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 20:07:38,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 20:07:38,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 20:07:38,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:38,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 20:07:38,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-27 20:07:38,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 20:07:38,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:38,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:07:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:38,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:38,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:38,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:07:38,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:38,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:07:38,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:38,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:38,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:38,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:38,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:38,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:07:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:38,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:39,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:39,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 20:07:39,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:39,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 20:07:39,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:39,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:39,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:39,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:39,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:39,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:07:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:39,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:39,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:39,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:07:39,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:39,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:07:39,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:39,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:39,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:39,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:39,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:39,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:07:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:39,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:39,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:39,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:07:39,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:39,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:07:39,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:39,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:39,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:39,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:39,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:39,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 20:07:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:39,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:39,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:39,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 20:07:39,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:39,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:07:39,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:39,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:07:39,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:39,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:07:39,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:39,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 20:07:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:39,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:39,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:39,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:07:39,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:39,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 20:07:39,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:39,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:07:39,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:39,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:07:39,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:39,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 20:07:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:39,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:39,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:39,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:07:39,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:39,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:07:39,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:39,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:07:39,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:39,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:07:39,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:39,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 20:07:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:39,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:39,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:39,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:07:39,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:39,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:07:39,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:39,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:07:39,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:07:39,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:07:39,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:39,264 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 11 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-27 20:07:39,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1792191780] [2020-10-27 20:07:39,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:07:39,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 20:07:39,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581616183] [2020-10-27 20:07:39,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 20:07:39,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:07:39,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 20:07:39,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-27 20:07:39,270 INFO L87 Difference]: Start difference. First operand 86 states and 102 transitions. Second operand 14 states. [2020-10-27 20:07:40,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:07:40,362 INFO L93 Difference]: Finished difference Result 114 states and 135 transitions. [2020-10-27 20:07:40,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 20:07:40,365 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 70 [2020-10-27 20:07:40,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:07:40,367 INFO L225 Difference]: With dead ends: 114 [2020-10-27 20:07:40,368 INFO L226 Difference]: Without dead ends: 67 [2020-10-27 20:07:40,369 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=109, Invalid=491, Unknown=0, NotChecked=0, Total=600 [2020-10-27 20:07:40,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-27 20:07:40,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 64. [2020-10-27 20:07:40,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-27 20:07:40,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 70 transitions. [2020-10-27 20:07:40,379 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 70 transitions. Word has length 70 [2020-10-27 20:07:40,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:07:40,380 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 70 transitions. [2020-10-27 20:07:40,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 20:07:40,380 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2020-10-27 20:07:40,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-27 20:07:40,381 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:07:40,381 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, 1, 1] [2020-10-27 20:07:40,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 20:07:40,381 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:07:40,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:07:40,382 INFO L82 PathProgramCache]: Analyzing trace with hash 26433644, now seen corresponding path program 1 times [2020-10-27 20:07:40,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:07:40,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [178032455] [2020-10-27 20:07:40,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:07:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:40,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:40,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:40,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:40,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:40,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:40,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:41,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:41,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:41,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:41,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:41,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:42,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:43,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:43,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:43,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:43,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:44,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:44,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:45,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:45,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 20:07:45,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 20:07:45,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 20:07:45,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:45,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 20:07:45,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-27 20:07:45,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 20:07:45,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:45,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:07:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:45,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:45,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:45,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:07:45,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:45,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:07:45,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:45,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:45,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:45,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:45,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:45,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:07:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:45,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:45,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:45,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 20:07:45,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:45,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 20:07:45,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:45,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:45,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:45,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:45,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:45,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:07:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:45,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:45,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:45,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:07:45,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:45,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:07:45,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:45,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:45,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:45,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:45,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:45,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:07:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:45,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:45,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:45,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:07:45,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:45,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:07:45,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:45,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:45,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:45,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:45,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:45,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 20:07:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:45,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:45,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:45,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:07:45,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:45,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:07:45,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:45,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:45,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:45,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:45,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:45,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 20:07:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:45,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:45,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:45,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:07:45,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:45,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 20:07:45,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:45,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:07:45,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:45,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:07:45,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:45,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 20:07:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:45,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:45,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:45,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:45,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:07:45,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:07:45,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 20:07:45,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:45,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:07:45,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:45,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:07:45,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:45,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 20:07:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:45,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:45,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:45,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:07:45,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:45,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:07:45,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:45,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:07:45,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:07:45,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:07:45,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:45,901 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-27 20:07:45,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [178032455] [2020-10-27 20:07:45,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:07:45,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 20:07:45,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204285816] [2020-10-27 20:07:45,903 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 20:07:45,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:07:45,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 20:07:45,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2020-10-27 20:07:45,904 INFO L87 Difference]: Start difference. First operand 64 states and 70 transitions. Second operand 18 states. [2020-10-27 20:07:46,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:07:46,943 INFO L93 Difference]: Finished difference Result 89 states and 97 transitions. [2020-10-27 20:07:46,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 20:07:46,944 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 70 [2020-10-27 20:07:46,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:07:46,945 INFO L225 Difference]: With dead ends: 89 [2020-10-27 20:07:46,945 INFO L226 Difference]: Without dead ends: 62 [2020-10-27 20:07:46,946 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=129, Invalid=801, Unknown=0, NotChecked=0, Total=930 [2020-10-27 20:07:46,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-27 20:07:46,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 61. [2020-10-27 20:07:46,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-10-27 20:07:46,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 65 transitions. [2020-10-27 20:07:46,964 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 65 transitions. Word has length 70 [2020-10-27 20:07:46,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:07:46,964 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 65 transitions. [2020-10-27 20:07:46,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 20:07:46,964 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2020-10-27 20:07:46,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-27 20:07:46,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:07:46,965 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, 1, 1] [2020-10-27 20:07:46,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 20:07:46,965 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:07:46,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:07:46,966 INFO L82 PathProgramCache]: Analyzing trace with hash -90373593, now seen corresponding path program 2 times [2020-10-27 20:07:46,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:07:46,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1748039840] [2020-10-27 20:07:46,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:07:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:46,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:47,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:47,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:47,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:47,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:47,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:47,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:51,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:51,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-27 20:07:51,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:07:51,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 20:07:51,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:51,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 20:07:51,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-27 20:07:51,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 20:07:51,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:52,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:07:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:52,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:52,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:52,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:07:52,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:52,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:07:52,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:52,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:52,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:52,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:52,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:52,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:07:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:52,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:52,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:52,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 20:07:52,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:52,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:07:52,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:52,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:52,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:52,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:52,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:52,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:07:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:52,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:52,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:52,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:07:52,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:52,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:07:52,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:52,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:52,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:52,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:52,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:52,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:07:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:52,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:52,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:52,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:07:52,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:52,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:07:52,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:52,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:52,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:52,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:52,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:52,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 20:07:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:52,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:52,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:52,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:07:52,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:52,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:07:52,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:52,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:52,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:52,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:52,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:52,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 20:07:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:52,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:52,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:52,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:07:52,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:52,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:07:52,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:52,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:07:52,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:52,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:07:52,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:52,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 20:07:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:52,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:52,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:52,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:07:52,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:52,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:07:52,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:52,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:07:52,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:07:52,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:07:52,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:52,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 20:07:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:07:52,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:07:52,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:07:52,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:07:52,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:07:52,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:07:52,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:07:52,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:07:52,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:07:52,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:07:52,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:07:52,198 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-27 20:07:52,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1748039840] [2020-10-27 20:07:52,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:07:52,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 20:07:52,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539478836] [2020-10-27 20:07:52,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 20:07:52,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:07:52,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 20:07:52,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:07:52,200 INFO L87 Difference]: Start difference. First operand 61 states and 65 transitions. Second operand 11 states. [2020-10-27 20:07:52,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:07:52,667 INFO L93 Difference]: Finished difference Result 73 states and 77 transitions. [2020-10-27 20:07:52,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 20:07:52,668 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 71 [2020-10-27 20:07:52,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:07:52,668 INFO L225 Difference]: With dead ends: 73 [2020-10-27 20:07:52,668 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 20:07:52,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2020-10-27 20:07:52,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 20:07:52,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 20:07:52,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 20:07:52,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 20:07:52,670 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2020-10-27 20:07:52,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:07:52,670 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 20:07:52,670 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 20:07:52,670 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 20:07:52,670 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 20:07:52,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 20:07:52,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 20:07:53,628 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 29 [2020-10-27 20:07:54,008 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 50 [2020-10-27 20:07:54,156 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2020-10-27 20:07:54,512 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 44 [2020-10-27 20:07:54,704 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 44 [2020-10-27 20:07:55,019 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 55 [2020-10-27 20:07:55,087 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2020-10-27 20:07:55,087 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 12) the Hoare annotation is: true [2020-10-27 20:07:55,087 INFO L274 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed. [2020-10-27 20:07:55,088 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-10-27 20:07:55,088 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-27 20:07:55,088 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 20:07:55,088 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string1.offset)| |#t~string1.offset|) (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-27 20:07:55,088 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 20:07:55,088 INFO L277 CegarLoopResult]: At program point myexitENTRY(lines 571 573) the Hoare annotation is: true [2020-10-27 20:07:55,088 INFO L277 CegarLoopResult]: At program point L572(line 572) the Hoare annotation is: true [2020-10-27 20:07:55,089 INFO L274 CegarLoopResult]: For program point myexitEXIT(lines 571 573) no Hoare annotation was computed. [2020-10-27 20:07:55,089 INFO L274 CegarLoopResult]: For program point sll_circular_get_data_atEXIT(lines 606 612) no Hoare annotation was computed. [2020-10-27 20:07:55,089 INFO L270 CegarLoopResult]: At program point L607-2(lines 607 610) the Hoare annotation is: (let ((.cse0 (+ sll_circular_get_data_at_~index 1))) (or (and (= (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$.base| |sll_circular_get_data_at_#in~head.base|) |sll_circular_get_data_at_#in~head.offset|) sll_circular_get_data_at_~head.base) (<= 1 |sll_circular_get_data_at_#in~index|) (= .cse0 |sll_circular_get_data_at_#in~index|)) (and (<= 2 |sll_circular_get_data_at_#in~index|) (<= .cse0 |sll_circular_get_data_at_#in~index|)) (and (= sll_circular_get_data_at_~head.offset |sll_circular_get_data_at_#in~head.offset|) (= sll_circular_get_data_at_~index |sll_circular_get_data_at_#in~index|) (= |sll_circular_get_data_at_#in~head.base| sll_circular_get_data_at_~head.base)))) [2020-10-27 20:07:55,089 INFO L274 CegarLoopResult]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2020-10-27 20:07:55,089 INFO L277 CegarLoopResult]: At program point sll_circular_get_data_atENTRY(lines 606 612) the Hoare annotation is: true [2020-10-27 20:07:55,089 INFO L274 CegarLoopResult]: For program point sll_circular_get_data_atFINAL(lines 606 612) no Hoare annotation was computed. [2020-10-27 20:07:55,090 INFO L274 CegarLoopResult]: For program point __bswap_32ENTRY(lines 74 78) no Hoare annotation was computed. [2020-10-27 20:07:55,090 INFO L274 CegarLoopResult]: For program point __bswap_32FINAL(lines 74 78) no Hoare annotation was computed. [2020-10-27 20:07:55,090 INFO L274 CegarLoopResult]: For program point __bswap_32EXIT(lines 74 78) no Hoare annotation was computed. [2020-10-27 20:07:55,090 INFO L274 CegarLoopResult]: For program point __bswap_64ENTRY(lines 79 83) no Hoare annotation was computed. [2020-10-27 20:07:55,090 INFO L274 CegarLoopResult]: For program point __bswap_64FINAL(lines 79 83) no Hoare annotation was computed. [2020-10-27 20:07:55,090 INFO L274 CegarLoopResult]: For program point __bswap_64EXIT(lines 79 83) no Hoare annotation was computed. [2020-10-27 20:07:55,090 INFO L270 CegarLoopResult]: At program point sll_circular_createENTRY(lines 583 594) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 20:07:55,090 INFO L274 CegarLoopResult]: For program point sll_circular_createFINAL(lines 583 594) no Hoare annotation was computed. [2020-10-27 20:07:55,091 INFO L270 CegarLoopResult]: At program point L587(line 587) the Hoare annotation is: (or (and (= sll_circular_create_~head~0.base sll_circular_create_~last~0.base) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= (select |#valid| sll_circular_create_~last~0.base) 1)) (and (<= 3 |sll_circular_create_#in~len|) (<= (+ sll_circular_create_~len 1) |sll_circular_create_#in~len|))) [2020-10-27 20:07:55,091 INFO L274 CegarLoopResult]: For program point L587-1(line 587) no Hoare annotation was computed. [2020-10-27 20:07:55,091 INFO L274 CegarLoopResult]: For program point sll_circular_createEXIT(lines 583 594) no Hoare annotation was computed. [2020-10-27 20:07:55,091 INFO L270 CegarLoopResult]: At program point L584(line 584) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= |old(#valid)| |#valid|)) [2020-10-27 20:07:55,091 INFO L270 CegarLoopResult]: At program point L586-2(lines 586 591) the Hoare annotation is: (let ((.cse1 (= sll_circular_create_~head~0.base sll_circular_create_~last~0.base)) (.cse0 (<= (+ sll_circular_create_~len 1) |sll_circular_create_#in~len|))) (or (and (not (= (select (select |#memory_$Pointer$.base| sll_circular_create_~head~0.base) sll_circular_create_~head~0.offset) sll_circular_create_~head~0.base)) (= sll_circular_create_~head~0.offset 0) .cse0 (not .cse1)) (and .cse1 (= |sll_circular_create_#in~len| sll_circular_create_~len) (= (select |#valid| sll_circular_create_~last~0.base) 1)) (and (<= 3 |sll_circular_create_#in~len|) .cse0))) [2020-10-27 20:07:55,091 INFO L274 CegarLoopResult]: For program point L584-1(line 584) no Hoare annotation was computed. [2020-10-27 20:07:55,092 INFO L274 CegarLoopResult]: For program point L586-3(lines 586 591) no Hoare annotation was computed. [2020-10-27 20:07:55,092 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 20:07:55,092 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-27 20:07:55,092 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 20:07:55,092 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 20:07:55,092 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 620 639) no Hoare annotation was computed. [2020-10-27 20:07:55,092 INFO L270 CegarLoopResult]: At program point L632(lines 620 639) the Hoare annotation is: false [2020-10-27 20:07:55,092 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 620 639) no Hoare annotation was computed. [2020-10-27 20:07:55,093 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 620 639) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 20:07:55,093 INFO L274 CegarLoopResult]: For program point L637(line 637) no Hoare annotation was computed. [2020-10-27 20:07:55,093 INFO L274 CegarLoopResult]: For program point L635(line 635) no Hoare annotation was computed. [2020-10-27 20:07:55,093 INFO L270 CegarLoopResult]: At program point L631(line 631) the Hoare annotation is: (let ((.cse4 (+ main_~i~0 main_~len~0)) (.cse6 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 4)))) (let ((.cse0 (or (< 0 main_~i~0) (= .cse4 .cse6))) (.cse1 (= main_~len~0 .cse6)) (.cse2 (or (<= 1 main_~i~0) (= main_~expected~0 .cse6)))) (or (and (<= main_~len~0 2) (<= (+ main_~i~0 2) main_~len~0) .cse0 .cse1 .cse2) (and (<= main_~i~0 0) .cse0 .cse1 (<= main_~len~0 1) .cse2) (let ((.cse5 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))) (let ((.cse3 (select (select |#memory_int| .cse5) (+ (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset) 4)))) (and (= main_~expected~0 .cse3) .cse0 (= (* main_~len~0 2) (+ .cse3 1)) .cse1 (= .cse4 .cse3) (not (= .cse5 main_~s~0.base)) (= main_~s~0.offset 0) .cse2 (<= main_~i~0 1))))))) [2020-10-27 20:07:55,093 INFO L274 CegarLoopResult]: For program point L631-1(line 631) no Hoare annotation was computed. [2020-10-27 20:07:55,093 INFO L274 CegarLoopResult]: For program point L631-2(lines 631 633) no Hoare annotation was computed. [2020-10-27 20:07:55,094 INFO L270 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: (let ((.cse2 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)) (.cse7 (+ main_~i~0 main_~len~0))) (let ((.cse0 (<= 0 main_~i~0)) (.cse1 (= .cse7 main_~new_data~0)) (.cse3 (not (= .cse2 main_~s~0.base))) (.cse4 (= main_~s~0.offset 0))) (or (and (<= main_~len~0 2) (<= (+ main_~i~0 2) main_~len~0) .cse0 .cse1 (= (* main_~len~0 2) (+ (select (select |#memory_int| .cse2) (+ (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset) 4)) 1)) .cse3 .cse4) (let ((.cse6 (* 2 main_~len~0)) (.cse5 (+ main_~new_data~0 1))) (and (<= .cse5 .cse6) .cse0 .cse1 (<= .cse6 .cse5) .cse3 .cse4 (<= main_~i~0 1))) (and (<= main_~new_data~0 .cse7) (<= main_~i~0 0) (<= main_~len~0 main_~new_data~0) (<= main_~len~0 1))))) [2020-10-27 20:07:55,094 INFO L274 CegarLoopResult]: For program point L629-2(lines 629 634) no Hoare annotation was computed. [2020-10-27 20:07:55,094 INFO L274 CegarLoopResult]: For program point L627-1(lines 625 628) no Hoare annotation was computed. [2020-10-27 20:07:55,094 INFO L270 CegarLoopResult]: At program point L629-3(lines 629 634) the Hoare annotation is: (let ((.cse2 (+ main_~i~0 1))) (let ((.cse0 (<= main_~len~0 .cse2)) (.cse1 (= main_~len~0 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 4))))) (or (and (<= main_~i~0 0) .cse0 .cse1) (and .cse0 (<= .cse2 0)) (and (<= main_~len~0 2) (<= (+ main_~i~0 2) main_~len~0) .cse1) (let ((.cse4 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))) (let ((.cse3 (select (select |#memory_int| .cse4) (+ (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset) 4)))) (and (= (* main_~len~0 2) (+ .cse3 1)) (= (+ main_~i~0 main_~len~0) .cse3) (not (= .cse4 main_~s~0.base)) .cse1 (= main_~s~0.offset 0) (<= main_~i~0 1))))))) [2020-10-27 20:07:55,094 INFO L270 CegarLoopResult]: At program point L629-4(lines 629 634) the Hoare annotation is: (<= (+ main_~i~0 1) 0) [2020-10-27 20:07:55,094 INFO L270 CegarLoopResult]: At program point L623(line 623) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= main_~len~0 2) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 20:07:55,095 INFO L270 CegarLoopResult]: At program point L625-2(lines 625 628) the Hoare annotation is: (let ((.cse10 (+ main_~i~0 1))) (let ((.cse13 (+ main_~i~0 main_~len~0 1)) (.cse12 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 4))) (.cse16 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)) (.cse11 (<= main_~len~0 .cse10))) (let ((.cse4 (or .cse11 (<= 0 main_~i~0))) (.cse0 (<= main_~len~0 2)) (.cse3 (<= (+ main_~i~0 2) main_~len~0)) (.cse5 (= (* main_~len~0 2) (+ (select (select |#memory_int| .cse16) (+ (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset) 4)) 1))) (.cse6 (not (= .cse16 main_~s~0.base))) (.cse7 (= main_~s~0.offset 0)) (.cse8 (<= main_~i~0 0)) (.cse14 (or (< 0 .cse10) (= .cse13 .cse12))) (.cse15 (<= 0 .cse10)) (.cse9 (<= main_~len~0 1))) (or (let ((.cse2 (* 2 main_~len~0)) (.cse1 (+ main_~new_data~0 1))) (and .cse0 (<= .cse1 .cse2) .cse3 .cse4 .cse5 (<= .cse2 .cse1) .cse6 .cse7)) (and .cse8 .cse4 .cse9) (and (<= .cse10 main_~len~0) .cse11 .cse6 .cse7 (<= main_~i~0 1)) (and (<= .cse12 .cse13) .cse0 .cse14 .cse3 .cse15 .cse5 .cse6 .cse7) (and .cse8 .cse14 .cse15 .cse9))))) [2020-10-27 20:07:55,095 INFO L274 CegarLoopResult]: For program point L623-1(line 623) no Hoare annotation was computed. [2020-10-27 20:07:55,095 INFO L274 CegarLoopResult]: For program point L625-3(lines 625 628) no Hoare annotation was computed. [2020-10-27 20:07:55,095 INFO L270 CegarLoopResult]: At program point sll_circular_destroyENTRY(lines 595 605) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-10-27 20:07:55,095 INFO L274 CegarLoopResult]: For program point L596(lines 596 604) no Hoare annotation was computed. [2020-10-27 20:07:55,095 INFO L277 CegarLoopResult]: At program point L598-2(lines 598 602) the Hoare annotation is: true [2020-10-27 20:07:55,095 INFO L274 CegarLoopResult]: For program point L598-3(lines 598 602) no Hoare annotation was computed. [2020-10-27 20:07:55,095 INFO L274 CegarLoopResult]: For program point L596-2(lines 595 605) no Hoare annotation was computed. [2020-10-27 20:07:55,095 INFO L274 CegarLoopResult]: For program point sll_circular_destroyEXIT(lines 595 605) no Hoare annotation was computed. [2020-10-27 20:07:55,096 INFO L274 CegarLoopResult]: For program point sll_circular_update_atEXIT(lines 613 619) no Hoare annotation was computed. [2020-10-27 20:07:55,096 INFO L270 CegarLoopResult]: At program point sll_circular_update_atENTRY(lines 613 619) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-27 20:07:55,096 INFO L274 CegarLoopResult]: For program point sll_circular_update_atFINAL(lines 613 619) no Hoare annotation was computed. [2020-10-27 20:07:55,096 INFO L270 CegarLoopResult]: At program point L614-2(lines 614 617) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (or (not (<= |sll_circular_update_at_#in~index| 1)) (and (<= |sll_circular_update_at_#in~index| sll_circular_update_at_~index) (= |sll_circular_update_at_#in~head.base| sll_circular_update_at_~head.base) (= sll_circular_update_at_~head.offset |sll_circular_update_at_#in~head.offset|) (<= sll_circular_update_at_~index |sll_circular_update_at_#in~index|) (= |sll_circular_update_at_#in~data| sll_circular_update_at_~data))) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-27 20:07:55,096 INFO L274 CegarLoopResult]: For program point L614-3(lines 614 617) no Hoare annotation was computed. [2020-10-27 20:07:55,096 INFO L277 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: true [2020-10-27 20:07:55,097 INFO L274 CegarLoopResult]: For program point L576(lines 576 578) no Hoare annotation was computed. [2020-10-27 20:07:55,097 INFO L274 CegarLoopResult]: For program point L576-1(lines 576 578) no Hoare annotation was computed. [2020-10-27 20:07:55,097 INFO L270 CegarLoopResult]: At program point node_createENTRY(lines 574 582) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 20:07:55,097 INFO L274 CegarLoopResult]: For program point node_createFINAL(lines 574 582) no Hoare annotation was computed. [2020-10-27 20:07:55,097 INFO L274 CegarLoopResult]: For program point node_createEXIT(lines 574 582) no Hoare annotation was computed. [2020-10-27 20:07:55,108 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,111 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,111 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,111 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,121 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,121 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,121 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,122 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,122 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,122 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,123 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,126 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,126 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,137 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,139 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,143 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,144 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,144 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,144 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,146 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,146 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,147 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,147 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,148 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,151 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,151 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,152 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,152 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,152 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,152 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,152 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,155 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,164 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,166 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,166 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,167 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,167 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,167 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,167 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 08:07:55 BoogieIcfgContainer [2020-10-27 20:07:55,170 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 20:07:55,172 INFO L168 Benchmark]: Toolchain (without parser) took 82420.91 ms. Allocated memory was 125.8 MB in the beginning and 784.3 MB in the end (delta: 658.5 MB). Free memory was 100.3 MB in the beginning and 597.0 MB in the end (delta: -496.7 MB). Peak memory consumption was 466.9 MB. Max. memory is 8.0 GB. [2020-10-27 20:07:55,172 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 125.8 MB. Free memory is still 85.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 20:07:55,173 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.36 ms. Allocated memory is still 125.8 MB. Free memory was 99.6 MB in the beginning and 76.8 MB in the end (delta: 22.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-10-27 20:07:55,174 INFO L168 Benchmark]: Boogie Preprocessor took 74.63 ms. Allocated memory is still 125.8 MB. Free memory was 76.8 MB in the beginning and 74.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-27 20:07:55,174 INFO L168 Benchmark]: RCFGBuilder took 744.51 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 74.1 MB in the beginning and 89.5 MB in the end (delta: -15.4 MB). Peak memory consumption was 11.8 MB. Max. memory is 8.0 GB. [2020-10-27 20:07:55,175 INFO L168 Benchmark]: TraceAbstraction took 80999.93 ms. Allocated memory was 151.0 MB in the beginning and 784.3 MB in the end (delta: 633.3 MB). Free memory was 89.0 MB in the beginning and 597.0 MB in the end (delta: -508.0 MB). Peak memory consumption was 428.9 MB. Max. memory is 8.0 GB. [2020-10-27 20:07:55,178 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 125.8 MB. Free memory is still 85.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 590.36 ms. Allocated memory is still 125.8 MB. Free memory was 99.6 MB in the beginning and 76.8 MB in the end (delta: 22.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 74.63 ms. Allocated memory is still 125.8 MB. Free memory was 76.8 MB in the beginning and 74.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 744.51 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 74.1 MB in the beginning and 89.5 MB in the end (delta: -15.4 MB). Peak memory consumption was 11.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 80999.93 ms. Allocated memory was 151.0 MB in the beginning and 784.3 MB in the end (delta: 633.3 MB). Free memory was 89.0 MB in the beginning and 597.0 MB in the end (delta: -508.0 MB). Peak memory consumption was 428.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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 - 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_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_int - 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_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_int - 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_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_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_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_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_int - 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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: 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: 625]: Loop Invariant [2020-10-27 20:07:55,195 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,195 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,195 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,195 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,196 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,196 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,196 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,196 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,196 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,196 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,197 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,197 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,202 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,202 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,202 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,202 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,203 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,203 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,203 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,203 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,203 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,205 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,205 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,205 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,205 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,205 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,205 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,205 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,206 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,206 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,206 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,206 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,206 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((((((len <= 2 && new_data + 1 <= 2 * len) && i + 2 <= len) && (len <= i + 1 || 0 <= i)) && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] + 1) && 2 * len <= new_data + 1) && !(#memory_$Pointer$[s][s] == s)) && s == 0) || ((i <= 0 && (len <= i + 1 || 0 <= i)) && len <= 1)) || ((((i + 1 <= len && len <= i + 1) && !(#memory_$Pointer$[s][s] == s)) && s == 0) && i <= 1)) || (((((((unknown-#memory_int-unknown[s][s + 4] <= i + len + 1 && len <= 2) && (0 < i + 1 || i + len + 1 == unknown-#memory_int-unknown[s][s + 4])) && i + 2 <= len) && 0 <= i + 1) && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] + 1) && !(#memory_$Pointer$[s][s] == s)) && s == 0)) || (((i <= 0 && (0 < i + 1 || i + len + 1 == unknown-#memory_int-unknown[s][s + 4])) && 0 <= i + 1) && len <= 1) - InvariantResult [Line: 586]: Loop Invariant [2020-10-27 20:07:55,207 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,207 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,207 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((!(#memory_$Pointer$[head][head] == head) && head == 0) && len + 1 <= \old(len)) && !(head == last)) || ((head == last && \old(len) == len) && \valid[last] == 1)) || (3 <= \old(len) && len + 1 <= \old(len)) - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 614]: Loop Invariant [2020-10-27 20:07:55,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,209 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,210 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,210 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,211 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,211 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,211 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,211 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((#memory_$Pointer$ == \old(#memory_$Pointer$) && (!(\old(index) <= 1) || ((((\old(index) <= index && head == head) && head == head) && index <= \old(index)) && \old(data) == data))) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$) - InvariantResult [Line: 629]: Loop Invariant [2020-10-27 20:07:55,211 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,211 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,212 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,212 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:07:55,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((i <= 0 && len <= i + 1) && len == unknown-#memory_int-unknown[s][s + 4]) || (len <= i + 1 && i + 1 <= 0)) || ((len <= 2 && i + 2 <= len) && len == unknown-#memory_int-unknown[s][s + 4])) || (((((len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] + 1 && i + len == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4]) && !(#memory_$Pointer$[s][s] == s)) && len == unknown-#memory_int-unknown[s][s + 4]) && s == 0) && i <= 1) - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant [2020-10-27 20:07:55,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,218 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:07:55,218 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:07:55,218 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:07:55,218 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((#memory_$Pointer$[head][head] == head && #memory_$Pointer$[head][head] == head) && 1 <= \old(index)) && index + 1 == \old(index)) || (2 <= \old(index) && index + 1 <= \old(index))) || ((head == head && index == \old(index)) && head == head) - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 78.4s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 12.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 523 SDtfs, 744 SDslu, 2741 SDs, 0 SdLazy, 5534 SolverSat, 561 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 428 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 277 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 798 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=7, 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, 13 MinimizatonAttempts, 114 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 114 PreInvPairs, 183 NumberOfFragments, 903 HoareAnnotationTreeSize, 114 FomulaSimplifications, 7717 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 26 FomulaSimplificationsInter, 6608 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 64.6s InterpolantComputationTime, 744 NumberOfCodeBlocks, 744 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 731 ConstructedInterpolants, 0 QuantifiedInterpolants, 192942 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 2 PerfectInterpolantSequences, 165/261 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...