/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/sll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 20:08:20,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 20:08:20,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 20:08:20,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 20:08:20,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 20:08:20,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 20:08:20,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 20:08:20,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 20:08:20,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 20:08:20,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 20:08:20,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 20:08:20,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 20:08:20,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 20:08:20,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 20:08:20,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 20:08:20,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 20:08:20,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 20:08:20,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 20:08:20,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 20:08:20,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 20:08:20,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 20:08:20,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 20:08:20,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 20:08:20,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 20:08:20,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 20:08:20,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 20:08:20,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 20:08:20,655 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 20:08:20,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 20:08:20,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 20:08:20,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 20:08:20,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 20:08:20,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 20:08:20,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 20:08:20,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 20:08:20,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 20:08:20,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 20:08:20,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 20:08:20,664 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 20:08:20,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 20:08:20,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 20:08:20,673 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 20:08:20,723 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 20:08:20,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 20:08:20,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 20:08:20,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 20:08:20,729 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 20:08:20,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 20:08:20,730 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 20:08:20,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 20:08:20,730 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 20:08:20,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 20:08:20,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 20:08:20,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 20:08:20,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 20:08:20,732 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 20:08:20,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 20:08:20,733 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 20:08:20,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 20:08:20,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 20:08:20,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 20:08:20,734 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 20:08:20,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 20:08:20,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:08:20,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 20:08:20,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 20:08:20,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 20:08:20,735 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 20:08:20,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 20:08:20,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 20:08:20,735 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 20:08:20,736 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 20:08:21,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 20:08:21,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 20:08:21,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 20:08:21,253 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 20:08:21,253 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 20:08:21,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-10-27 20:08:21,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a28c19f46/fb6e4e2aaf7f45a2be3f840df2522a77/FLAG0cda86975 [2020-10-27 20:08:22,116 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 20:08:22,117 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-10-27 20:08:22,138 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a28c19f46/fb6e4e2aaf7f45a2be3f840df2522a77/FLAG0cda86975 [2020-10-27 20:08:22,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a28c19f46/fb6e4e2aaf7f45a2be3f840df2522a77 [2020-10-27 20:08:22,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 20:08:22,428 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 20:08:22,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 20:08:22,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 20:08:22,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 20:08:22,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:08:22" (1/1) ... [2020-10-27 20:08:22,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@501e98de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:08:22, skipping insertion in model container [2020-10-27 20:08:22,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:08:22" (1/1) ... [2020-10-27 20:08:22,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 20:08:22,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 20:08:22,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:08:22,925 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 20:08:23,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:08:23,137 INFO L208 MainTranslator]: Completed translation [2020-10-27 20:08:23,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:08:23 WrapperNode [2020-10-27 20:08:23,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 20:08:23,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 20:08:23,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 20:08:23,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 20:08:23,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:08:23" (1/1) ... [2020-10-27 20:08:23,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:08:23" (1/1) ... [2020-10-27 20:08:23,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:08:23" (1/1) ... [2020-10-27 20:08:23,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:08:23" (1/1) ... [2020-10-27 20:08:23,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:08:23" (1/1) ... [2020-10-27 20:08:23,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:08:23" (1/1) ... [2020-10-27 20:08:23,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:08:23" (1/1) ... [2020-10-27 20:08:23,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 20:08:23,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 20:08:23,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 20:08:23,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 20:08:23,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:08:23" (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 20:08:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 20:08:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 20:08:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 20:08:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-27 20:08:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-27 20:08:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-27 20:08:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-27 20:08:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2020-10-27 20:08:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2020-10-27 20:08:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2020-10-27 20:08:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2020-10-27 20:08:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 20:08:23,373 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 20:08:23,373 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 20:08:23,374 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 20:08:23,374 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 20:08:23,374 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 20:08:23,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 20:08:23,374 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-27 20:08:23,374 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-27 20:08:23,375 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-27 20:08:23,375 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-27 20:08:23,375 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-27 20:08:23,375 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-27 20:08:23,375 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-27 20:08:23,375 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-27 20:08:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-27 20:08:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-27 20:08:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-27 20:08:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-27 20:08:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-27 20:08:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-27 20:08:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-27 20:08:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-27 20:08:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-27 20:08:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-27 20:08:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-27 20:08:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-27 20:08:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-27 20:08:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-27 20:08:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-27 20:08:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-27 20:08:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-27 20:08:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-27 20:08:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-27 20:08:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-27 20:08:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-27 20:08:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-27 20:08:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-27 20:08:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-27 20:08:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-27 20:08:23,380 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-27 20:08:23,380 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-27 20:08:23,380 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-27 20:08:23,380 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-27 20:08:23,380 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-27 20:08:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-27 20:08:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-27 20:08:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-27 20:08:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-27 20:08:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-27 20:08:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-27 20:08:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-27 20:08:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-27 20:08:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-27 20:08:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-27 20:08:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-27 20:08:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-27 20:08:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-27 20:08:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-27 20:08:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 20:08:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 20:08:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-27 20:08:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 20:08:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-27 20:08:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-27 20:08:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-27 20:08:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-27 20:08:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-27 20:08:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-27 20:08:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-27 20:08:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-27 20:08:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 20:08:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-27 20:08:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-27 20:08:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-27 20:08:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-27 20:08:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-27 20:08:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-27 20:08:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-27 20:08:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-27 20:08:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-27 20:08:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-27 20:08:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-27 20:08:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-27 20:08:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-27 20:08:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-27 20:08:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-27 20:08:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-27 20:08:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-27 20:08:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-27 20:08:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-27 20:08:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-27 20:08:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-27 20:08:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-27 20:08:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-27 20:08:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-27 20:08:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-27 20:08:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-27 20:08:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-27 20:08:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-27 20:08:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-27 20:08:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-27 20:08:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-27 20:08:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-27 20:08:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-27 20:08:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-27 20:08:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-27 20:08:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-27 20:08:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-27 20:08:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-27 20:08:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-27 20:08:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-27 20:08:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-27 20:08:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 20:08:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 20:08:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 20:08:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2020-10-27 20:08:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2020-10-27 20:08:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 20:08:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 20:08:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2020-10-27 20:08:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 20:08:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2020-10-27 20:08:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 20:08:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 20:08:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 20:08:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 20:08:24,020 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-27 20:08:24,215 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 20:08:24,216 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-27 20:08:24,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:08:24 BoogieIcfgContainer [2020-10-27 20:08:24,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 20:08:24,220 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 20:08:24,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 20:08:24,224 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 20:08:24,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:08:22" (1/3) ... [2020-10-27 20:08:24,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448b68e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:08:24, skipping insertion in model container [2020-10-27 20:08:24,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:08:23" (2/3) ... [2020-10-27 20:08:24,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448b68e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:08:24, skipping insertion in model container [2020-10-27 20:08:24,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:08:24" (3/3) ... [2020-10-27 20:08:24,228 INFO L111 eAbstractionObserver]: Analyzing ICFG sll2n_update_all_reverse.i [2020-10-27 20:08:24,241 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 20:08:24,247 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 20:08:24,262 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 20:08:24,293 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 20:08:24,293 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 20:08:24,294 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 20:08:24,294 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 20:08:24,294 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 20:08:24,294 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 20:08:24,294 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 20:08:24,294 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 20:08:24,316 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-10-27 20:08:24,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-27 20:08:24,326 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:08:24,327 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] [2020-10-27 20:08:24,328 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:08:24,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:08:24,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1464523986, now seen corresponding path program 1 times [2020-10-27 20:08:24,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:08:24,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1465937478] [2020-10-27 20:08:24,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:08:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:24,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:24,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:24,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:25,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:25,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:26,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:26,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 20:08:26,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:08:26,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1764 [2020-10-27 20:08:26,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:26,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:08:26,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 20:08:26,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 20:08:26,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 20:08:26,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:08:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:26,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:26,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:26,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:26,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:26,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:08:26,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:26,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:26,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:26,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:26,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:26,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:08:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:26,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:26,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:26,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:26,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:26,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:08:26,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:26,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:26,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:26,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:26,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:26,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 20:08:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:26,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:26,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:26,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:26,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:26,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:08:26,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:26,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:26,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 20:08:26,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:26,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:26,540 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 20:08:26,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1465937478] [2020-10-27 20:08:26,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:08:26,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 20:08:26,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205007209] [2020-10-27 20:08:26,550 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 20:08:26,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:08:26,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 20:08:26,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-27 20:08:26,569 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 7 states. [2020-10-27 20:08:27,094 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2020-10-27 20:08:28,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:08:28,048 INFO L93 Difference]: Finished difference Result 154 states and 234 transitions. [2020-10-27 20:08:28,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 20:08:28,050 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-10-27 20:08:28,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:08:28,063 INFO L225 Difference]: With dead ends: 154 [2020-10-27 20:08:28,063 INFO L226 Difference]: Without dead ends: 78 [2020-10-27 20:08:28,068 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-27 20:08:28,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-27 20:08:28,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 45. [2020-10-27 20:08:28,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-27 20:08:28,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2020-10-27 20:08:28,125 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 27 [2020-10-27 20:08:28,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:08:28,126 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2020-10-27 20:08:28,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 20:08:28,126 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2020-10-27 20:08:28,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-27 20:08:28,128 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:08:28,128 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] [2020-10-27 20:08:28,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 20:08:28,129 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:08:28,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:08:28,129 INFO L82 PathProgramCache]: Analyzing trace with hash 341015580, now seen corresponding path program 1 times [2020-10-27 20:08:28,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:08:28,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [550552029] [2020-10-27 20:08:28,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:08:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:28,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:28,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:28,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:28,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:29,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:29,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:29,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:29,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:29,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:33,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:33,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 20:08:33,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 20:08:33,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 20:08:33,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:33,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 20:08:33,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 20:08:33,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 20:08:33,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:08:33,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:08:33,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:33,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:33,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:33,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:33,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:33,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:08:33,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:33,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:33,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:33,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:33,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:33,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:08:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:33,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:33,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:33,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:33,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:33,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:08:33,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:33,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:33,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:33,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:33,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:33,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 20:08:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:33,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:33,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:33,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:33,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:33,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 20:08:33,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:33,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:08:33,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:33,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:08:33,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:33,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 20:08:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:33,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:33,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:33,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:33,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:33,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 20:08:33,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:33,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 20:08:33,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:33,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:08:33,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:33,576 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 20:08:33,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [550552029] [2020-10-27 20:08:33,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:08:33,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-27 20:08:33,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338216972] [2020-10-27 20:08:33,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 20:08:33,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:08:33,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 20:08:33,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2020-10-27 20:08:33,581 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand 16 states. [2020-10-27 20:08:35,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:08:35,420 INFO L93 Difference]: Finished difference Result 97 states and 122 transitions. [2020-10-27 20:08:35,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 20:08:35,421 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 35 [2020-10-27 20:08:35,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:08:35,425 INFO L225 Difference]: With dead ends: 97 [2020-10-27 20:08:35,425 INFO L226 Difference]: Without dead ends: 93 [2020-10-27 20:08:35,427 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=165, Invalid=957, Unknown=0, NotChecked=0, Total=1122 [2020-10-27 20:08:35,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-27 20:08:35,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 63. [2020-10-27 20:08:35,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-27 20:08:35,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 73 transitions. [2020-10-27 20:08:35,446 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 73 transitions. Word has length 35 [2020-10-27 20:08:35,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:08:35,446 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 73 transitions. [2020-10-27 20:08:35,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 20:08:35,447 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 73 transitions. [2020-10-27 20:08:35,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-27 20:08:35,449 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:08:35,449 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:08:35,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 20:08:35,450 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:08:35,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:08:35,450 INFO L82 PathProgramCache]: Analyzing trace with hash 389933784, now seen corresponding path program 1 times [2020-10-27 20:08:35,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:08:35,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [301527365] [2020-10-27 20:08:35,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:08:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:35,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:35,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:35,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:35,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:35,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:35,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:35,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:35,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:38,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:38,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-27 20:08:38,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 20:08:38,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3270 [2020-10-27 20:08:38,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:38,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 20:08:38,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 20:08:38,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 20:08:38,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:38,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:08:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:38,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:38,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:38,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:38,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:38,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:08:38,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:38,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:38,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:38,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:38,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:38,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:08:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:38,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:38,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:38,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:38,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:38,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:08:38,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:38,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:38,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:38,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:38,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 17 [2020-10-27 20:08:38,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 20:08:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:38,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:38,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:38,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:38,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:38,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:08:38,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:38,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:08:38,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:38,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:08:38,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:38,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 20:08:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:38,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:38,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:38,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:08:38,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:38,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 20:08:38,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:38,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:08:38,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:08:38,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:08:38,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:38,939 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 20:08:38,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [301527365] [2020-10-27 20:08:38,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:08:38,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 20:08:38,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313740269] [2020-10-27 20:08:38,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 20:08:38,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:08:38,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 20:08:38,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:08:38,942 INFO L87 Difference]: Start difference. First operand 63 states and 73 transitions. Second operand 11 states. [2020-10-27 20:08:40,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:08:40,063 INFO L93 Difference]: Finished difference Result 213 states and 286 transitions. [2020-10-27 20:08:40,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 20:08:40,064 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 36 [2020-10-27 20:08:40,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:08:40,068 INFO L225 Difference]: With dead ends: 213 [2020-10-27 20:08:40,068 INFO L226 Difference]: Without dead ends: 174 [2020-10-27 20:08:40,069 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2020-10-27 20:08:40,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-10-27 20:08:40,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 74. [2020-10-27 20:08:40,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-27 20:08:40,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 89 transitions. [2020-10-27 20:08:40,093 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 89 transitions. Word has length 36 [2020-10-27 20:08:40,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:08:40,093 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 89 transitions. [2020-10-27 20:08:40,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 20:08:40,093 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 89 transitions. [2020-10-27 20:08:40,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-27 20:08:40,095 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:08:40,095 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] [2020-10-27 20:08:40,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 20:08:40,095 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:08:40,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:08:40,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1606633278, now seen corresponding path program 1 times [2020-10-27 20:08:40,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:08:40,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1817784635] [2020-10-27 20:08:40,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:08:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:40,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:40,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:40,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:40,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:40,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:40,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:40,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:40,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:43,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:43,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-27 20:08:43,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 20:08:43,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3841 [2020-10-27 20:08:43,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:43,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:08:43,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 20:08:43,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:08:43,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:44,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:08:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:44,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:44,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:44,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:44,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:44,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:08:44,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:44,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:44,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:44,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:44,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:44,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:08:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:44,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:44,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:44,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:44,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:44,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:08:44,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:44,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:44,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:44,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:44,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:44,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 20:08:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:44,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:44,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:44,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:08:44,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:44,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 20:08:44,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:44,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:08:44,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:44,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:08:44,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:44,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 20:08:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:44,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:44,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:44,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:44,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:44,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:08:44,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:44,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:44,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 20:08:44,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:44,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:44,124 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 20:08:44,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1817784635] [2020-10-27 20:08:44,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:08:44,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 20:08:44,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935385669] [2020-10-27 20:08:44,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 20:08:44,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:08:44,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 20:08:44,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-27 20:08:44,126 INFO L87 Difference]: Start difference. First operand 74 states and 89 transitions. Second operand 9 states. [2020-10-27 20:08:44,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:08:44,791 INFO L93 Difference]: Finished difference Result 113 states and 139 transitions. [2020-10-27 20:08:44,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 20:08:44,792 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 36 [2020-10-27 20:08:44,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:08:44,796 INFO L225 Difference]: With dead ends: 113 [2020-10-27 20:08:44,796 INFO L226 Difference]: Without dead ends: 88 [2020-10-27 20:08:44,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2020-10-27 20:08:44,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-27 20:08:44,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 58. [2020-10-27 20:08:44,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-27 20:08:44,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 66 transitions. [2020-10-27 20:08:44,827 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 66 transitions. Word has length 36 [2020-10-27 20:08:44,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:08:44,827 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 66 transitions. [2020-10-27 20:08:44,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 20:08:44,828 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2020-10-27 20:08:44,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-27 20:08:44,833 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:08:44,833 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] [2020-10-27 20:08:44,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 20:08:44,833 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:08:44,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:08:44,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1112351026, now seen corresponding path program 2 times [2020-10-27 20:08:44,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:08:44,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [914618070] [2020-10-27 20:08:44,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:08:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:44,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:44,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:44,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:44,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:44,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:45,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:45,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:46,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:48,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:48,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-27 20:08:48,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 20:08:48,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3381 [2020-10-27 20:08:48,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:48,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:08:48,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 20:08:48,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:08:48,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:48,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:08:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:48,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:48,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:48,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:48,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:48,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:08:48,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:48,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:48,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:48,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:48,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:48,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:08:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:48,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:48,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:48,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:48,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:48,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:08:48,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:48,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:48,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:48,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:48,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:48,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 20:08:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:48,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:48,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:48,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:48,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:48,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:08:48,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:48,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:08:48,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:48,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:08:48,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:48,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:08:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:48,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:48,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:48,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:48,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:48,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:08:48,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:48,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:48,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 20:08:48,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:48,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:48,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 20:08:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:48,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:48,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:48,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:08:48,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:48,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:08:48,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:48,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:48,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 20:08:48,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:48,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:48,419 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-27 20:08:48,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [914618070] [2020-10-27 20:08:48,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:08:48,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 20:08:48,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215322533] [2020-10-27 20:08:48,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 20:08:48,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:08:48,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 20:08:48,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-27 20:08:48,422 INFO L87 Difference]: Start difference. First operand 58 states and 66 transitions. Second operand 9 states. [2020-10-27 20:08:48,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:08:48,954 INFO L93 Difference]: Finished difference Result 119 states and 142 transitions. [2020-10-27 20:08:48,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 20:08:48,955 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 44 [2020-10-27 20:08:48,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:08:48,956 INFO L225 Difference]: With dead ends: 119 [2020-10-27 20:08:48,956 INFO L226 Difference]: Without dead ends: 80 [2020-10-27 20:08:48,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-10-27 20:08:48,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-10-27 20:08:48,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 58. [2020-10-27 20:08:48,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-27 20:08:48,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 64 transitions. [2020-10-27 20:08:48,982 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 64 transitions. Word has length 44 [2020-10-27 20:08:48,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:08:48,983 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 64 transitions. [2020-10-27 20:08:48,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 20:08:48,989 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 64 transitions. [2020-10-27 20:08:48,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-27 20:08:48,991 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:08:48,991 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] [2020-10-27 20:08:48,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 20:08:48,994 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:08:48,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:08:48,995 INFO L82 PathProgramCache]: Analyzing trace with hash 638352616, now seen corresponding path program 1 times [2020-10-27 20:08:48,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:08:48,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911699884] [2020-10-27 20:08:48,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:08:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:49,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:49,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:49,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:49,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:49,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:49,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:52,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:52,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 20:08:52,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:08:52,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3421 [2020-10-27 20:08:52,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:52,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:08:52,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:08:52,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 20:08:52,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:52,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:08:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:52,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:52,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:52,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:52,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:52,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:08:52,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:52,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:52,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:52,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:52,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:52,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:08:52,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:52,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:52,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:52,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:52,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:52,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:08:52,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:52,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:08:52,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:52,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:08:52,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:52,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 20:08:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:52,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:52,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:52,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:08:52,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:52,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 20:08:52,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:52,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:08:52,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:52,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:08:52,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:52,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:08:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:52,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:52,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:52,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:52,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:52,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:08:52,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:52,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:08:52,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:52,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:08:52,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:08:52,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 20:08:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:52,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:52,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:52,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:08:52,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:52,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:08:52,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:52,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:52,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 20:08:52,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:52,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:52,631 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-27 20:08:52,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911699884] [2020-10-27 20:08:52,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:08:52,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 20:08:52,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481604131] [2020-10-27 20:08:52,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 20:08:52,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:08:52,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 20:08:52,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-27 20:08:52,637 INFO L87 Difference]: Start difference. First operand 58 states and 64 transitions. Second operand 9 states. [2020-10-27 20:08:53,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:08:53,059 INFO L93 Difference]: Finished difference Result 103 states and 116 transitions. [2020-10-27 20:08:53,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 20:08:53,059 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45 [2020-10-27 20:08:53,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:08:53,060 INFO L225 Difference]: With dead ends: 103 [2020-10-27 20:08:53,061 INFO L226 Difference]: Without dead ends: 62 [2020-10-27 20:08:53,062 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-27 20:08:53,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-27 20:08:53,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 59. [2020-10-27 20:08:53,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-27 20:08:53,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 65 transitions. [2020-10-27 20:08:53,082 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 65 transitions. Word has length 45 [2020-10-27 20:08:53,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:08:53,083 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 65 transitions. [2020-10-27 20:08:53,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 20:08:53,085 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2020-10-27 20:08:53,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-27 20:08:53,088 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:08:53,090 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, 1, 1] [2020-10-27 20:08:53,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 20:08:53,091 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:08:53,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:08:53,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1823551942, now seen corresponding path program 1 times [2020-10-27 20:08:53,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:08:53,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2094223721] [2020-10-27 20:08:53,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:08:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:53,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:53,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:53,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:53,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:54,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:54,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:54,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:54,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:54,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:58,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:58,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 20:08:58,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 20:08:58,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 20:08:58,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:58,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 20:08:58,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 20:08:58,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 20:08:58,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:58,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:08:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:58,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:58,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:58,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:58,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:58,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:08:58,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:58,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:58,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:58,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:58,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:58,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:08:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:58,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:58,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:58,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 20:08:58,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:58,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 20:08:58,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:58,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 20:08:58,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:58,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 20:08:58,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:58,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:08:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:58,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:58,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:58,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:58,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:58,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 20:08:58,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:58,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:08:58,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:58,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:08:58,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:58,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:08:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:58,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:58,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:58,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:08:58,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:58,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 20:08:58,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:58,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 20:08:58,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 20:08:58,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 20:08:58,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:59,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 20:08:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:59,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:59,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:59,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:59,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:59,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 20:08:59,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:59,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 20:08:59,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 20:08:59,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:08:59,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:59,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 20:08:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:59,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:59,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:59,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:08:59,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:59,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 20:08:59,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:59,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 20:08:59,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:59,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:08:59,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:59,745 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 20:08:59,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2094223721] [2020-10-27 20:08:59,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:08:59,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-27 20:08:59,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519625485] [2020-10-27 20:08:59,746 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-27 20:08:59,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:08:59,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-27 20:08:59,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=696, Unknown=0, NotChecked=0, Total=756 [2020-10-27 20:08:59,748 INFO L87 Difference]: Start difference. First operand 59 states and 65 transitions. Second operand 28 states. [2020-10-27 20:09:00,602 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2020-10-27 20:09:00,788 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2020-10-27 20:09:01,061 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2020-10-27 20:09:02,090 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2020-10-27 20:09:02,353 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2020-10-27 20:09:02,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:09:02,841 INFO L93 Difference]: Finished difference Result 98 states and 119 transitions. [2020-10-27 20:09:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 20:09:02,842 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 54 [2020-10-27 20:09:02,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:09:02,845 INFO L225 Difference]: With dead ends: 98 [2020-10-27 20:09:02,845 INFO L226 Difference]: Without dead ends: 94 [2020-10-27 20:09:02,848 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=202, Invalid=1960, Unknown=0, NotChecked=0, Total=2162 [2020-10-27 20:09:02,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-10-27 20:09:02,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 90. [2020-10-27 20:09:02,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-27 20:09:02,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 110 transitions. [2020-10-27 20:09:02,884 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 110 transitions. Word has length 54 [2020-10-27 20:09:02,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:09:02,884 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 110 transitions. [2020-10-27 20:09:02,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-27 20:09:02,884 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 110 transitions. [2020-10-27 20:09:02,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-27 20:09:02,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:09:02,890 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:09:02,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 20:09:02,891 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:09:02,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:09:02,891 INFO L82 PathProgramCache]: Analyzing trace with hash -896079250, now seen corresponding path program 2 times [2020-10-27 20:09:02,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:09:02,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [416150832] [2020-10-27 20:09:02,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:09:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:02,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:02,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:03,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:03,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:03,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:03,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:03,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:06,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:07,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:07,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 20:09:07,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 20:09:07,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 20:09:07,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:07,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 20:09:07,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-27 20:09:07,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 20:09:07,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:09:07,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:09:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:07,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:07,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:07,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:09:07,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:07,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:09:07,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:07,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:09:07,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:07,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:09:07,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:08,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:09:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:08,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:08,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:08,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 20:09:08,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:08,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:09:08,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:08,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:09:08,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:08,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:09:08,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:08,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:09:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:08,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:08,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:08,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:09:08,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:08,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:09:08,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:08,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:09:08,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:08,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:09:08,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:08,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:09:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:08,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:08,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:08,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:09:08,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:08,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:09:08,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:08,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:09:08,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:08,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:09:08,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:08,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 20:09:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:08,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:08,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:08,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:09:08,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:08,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 20:09:08,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:08,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:09:08,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:08,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:09:08,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:08,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 20:09:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:08,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:08,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:08,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 20:09:08,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:08,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:09:08,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:08,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:09:08,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:09:08,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:09:08,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:08,205 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 20:09:08,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [416150832] [2020-10-27 20:09:08,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:09:08,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 20:09:08,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077350997] [2020-10-27 20:09:08,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 20:09:08,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:09:08,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 20:09:08,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-27 20:09:08,208 INFO L87 Difference]: Start difference. First operand 90 states and 110 transitions. Second operand 14 states. [2020-10-27 20:09:09,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:09:09,012 INFO L93 Difference]: Finished difference Result 138 states and 171 transitions. [2020-10-27 20:09:09,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 20:09:09,014 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 55 [2020-10-27 20:09:09,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:09:09,018 INFO L225 Difference]: With dead ends: 138 [2020-10-27 20:09:09,018 INFO L226 Difference]: Without dead ends: 89 [2020-10-27 20:09:09,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2020-10-27 20:09:09,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-10-27 20:09:09,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 74. [2020-10-27 20:09:09,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-27 20:09:09,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 85 transitions. [2020-10-27 20:09:09,045 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 85 transitions. Word has length 55 [2020-10-27 20:09:09,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:09:09,046 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 85 transitions. [2020-10-27 20:09:09,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 20:09:09,046 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 85 transitions. [2020-10-27 20:09:09,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-27 20:09:09,047 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:09:09,047 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:09:09,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 20:09:09,047 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:09:09,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:09:09,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1457031408, now seen corresponding path program 3 times [2020-10-27 20:09:09,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:09:09,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [942614690] [2020-10-27 20:09:09,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:09:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:09,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:09,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:09,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:09,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:09,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:09,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:09,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:09,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:14,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:14,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 20:09:14,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 20:09:14,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 20:09:14,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:14,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 20:09:14,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-27 20:09:14,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 20:09:14,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:14,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:09:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:14,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:14,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:14,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:09:14,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:14,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:09:14,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:14,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:09:14,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:14,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:09:14,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:14,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:09:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:14,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:14,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:14,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 20:09:14,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:14,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 20:09:14,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:14,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:09:14,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:14,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:09:14,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:14,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:09:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:14,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:14,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:14,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:09:14,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:14,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:09:14,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:14,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:09:14,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:14,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:09:14,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:14,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:09:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:14,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:14,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:14,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 20:09:14,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:14,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 20:09:14,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:14,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:09:14,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:14,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:09:14,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:14,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 20:09:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:14,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:14,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:14,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:14,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:09:14,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:09:14,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:09:14,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:14,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:09:14,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:09:14,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:09:14,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:14,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 20:09:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:14,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:14,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:14,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:09:14,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:14,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:09:14,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:14,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:09:14,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 20:09:14,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:09:14,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:14,318 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 20:09:14,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [942614690] [2020-10-27 20:09:14,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:09:14,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 20:09:14,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191893379] [2020-10-27 20:09:14,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 20:09:14,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:09:14,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 20:09:14,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:09:14,321 INFO L87 Difference]: Start difference. First operand 74 states and 85 transitions. Second operand 13 states. [2020-10-27 20:09:15,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:09:15,105 INFO L93 Difference]: Finished difference Result 102 states and 117 transitions. [2020-10-27 20:09:15,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 20:09:15,106 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 55 [2020-10-27 20:09:15,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:09:15,107 INFO L225 Difference]: With dead ends: 102 [2020-10-27 20:09:15,107 INFO L226 Difference]: Without dead ends: 79 [2020-10-27 20:09:15,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 10 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 20:09:15,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-10-27 20:09:15,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 75. [2020-10-27 20:09:15,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-27 20:09:15,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 86 transitions. [2020-10-27 20:09:15,124 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 86 transitions. Word has length 55 [2020-10-27 20:09:15,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:09:15,125 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 86 transitions. [2020-10-27 20:09:15,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 20:09:15,125 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2020-10-27 20:09:15,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-27 20:09:15,126 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:09:15,126 INFO L422 BasicCegarLoop]: trace histogram [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 20:09:15,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 20:09:15,126 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:09:15,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:09:15,127 INFO L82 PathProgramCache]: Analyzing trace with hash -641263960, now seen corresponding path program 4 times [2020-10-27 20:09:15,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:09:15,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [613638] [2020-10-27 20:09:15,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:09:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:15,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:15,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:16,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:16,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:17,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:18,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:20,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:20,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-27 20:09:20,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:09:20,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4908 [2020-10-27 20:09:20,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:20,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 20:09:20,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 20:09:20,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-27 20:09:20,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:20,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:09:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:20,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:20,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:20,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:09:20,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:20,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:09:20,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:20,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:09:20,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:20,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:09:20,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:20,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:09:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:20,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:20,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:20,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 20:09:20,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:20,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-27 20:09:20,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:20,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 20:09:20,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:20,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 20:09:20,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:20,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:09:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:20,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:20,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:20,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:09:20,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:20,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 20:09:20,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:20,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:09:20,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:20,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:09:20,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:20,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 20:09:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:20,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:20,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:20,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:09:20,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:20,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 20:09:20,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:20,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 20:09:20,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 20:09:20,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:09:20,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:20,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 20:09:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:20,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:21,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:21,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:09:21,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:21,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 20:09:21,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:21,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 20:09:21,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 20:09:21,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 20:09:21,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:21,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 20:09:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:21,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:21,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:21,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:09:21,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:21,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 20:09:21,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:21,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 20:09:21,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 20:09:21,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:09:21,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:21,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 20:09:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:21,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:21,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:21,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:09:21,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:21,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 20:09:21,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:21,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 20:09:21,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:21,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:09:21,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:21,666 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-27 20:09:21,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [613638] [2020-10-27 20:09:21,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:09:21,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-27 20:09:21,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594644208] [2020-10-27 20:09:21,667 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-27 20:09:21,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:09:21,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-27 20:09:21,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=807, Unknown=0, NotChecked=0, Total=870 [2020-10-27 20:09:21,670 INFO L87 Difference]: Start difference. First operand 75 states and 86 transitions. Second operand 30 states. [2020-10-27 20:09:24,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:09:24,864 INFO L93 Difference]: Finished difference Result 104 states and 126 transitions. [2020-10-27 20:09:24,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 20:09:24,865 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 63 [2020-10-27 20:09:24,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:09:24,866 INFO L225 Difference]: With dead ends: 104 [2020-10-27 20:09:24,867 INFO L226 Difference]: Without dead ends: 100 [2020-10-27 20:09:24,871 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=202, Invalid=2248, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 20:09:24,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-10-27 20:09:24,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 85. [2020-10-27 20:09:24,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-10-27 20:09:24,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 103 transitions. [2020-10-27 20:09:24,887 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 103 transitions. Word has length 63 [2020-10-27 20:09:24,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:09:24,887 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 103 transitions. [2020-10-27 20:09:24,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-27 20:09:24,887 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 103 transitions. [2020-10-27 20:09:24,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-27 20:09:24,888 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:09:24,888 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:09:24,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 20:09:24,889 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:09:24,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:09:24,890 INFO L82 PathProgramCache]: Analyzing trace with hash 241580496, now seen corresponding path program 5 times [2020-10-27 20:09:24,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:09:24,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1367286973] [2020-10-27 20:09:24,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:09:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:24,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:24,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:24,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:24,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:25,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:25,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:25,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:25,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:26,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:26,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:29,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:29,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:29,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:29,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-27 20:09:29,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 20:09:29,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 20:09:29,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:29,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 20:09:29,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-27 20:09:29,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 20:09:29,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:29,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:09:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:29,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:29,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:29,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:09:29,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:29,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:09:29,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:29,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:09:29,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:29,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:09:29,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:29,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:09:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:29,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:30,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:30,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 20:09:30,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:30,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:09:30,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:30,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:09:30,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:30,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:09:30,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:30,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:09:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:30,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:30,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:30,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:09:30,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:30,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:09:30,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:30,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:09:30,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:30,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:09:30,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:30,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:09:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:30,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:30,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:30,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 20:09:30,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:30,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 20:09:30,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:30,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:09:30,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:30,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:09:30,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:30,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 20:09:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:30,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:30,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:30,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:09:30,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:30,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:09:30,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:30,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:09:30,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:30,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:09:30,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:30,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 20:09:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:30,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:30,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:30,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:09:30,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:30,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:09:30,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:30,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:09:30,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:30,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:09:30,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:30,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 20:09:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:30,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:30,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:30,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:09:30,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:30,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:09:30,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:30,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:09:30,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:09:30,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:09:30,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:30,210 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-27 20:09:30,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1367286973] [2020-10-27 20:09:30,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:09:30,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 20:09:30,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636293177] [2020-10-27 20:09:30,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 20:09:30,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:09:30,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 20:09:30,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-10-27 20:09:30,212 INFO L87 Difference]: Start difference. First operand 85 states and 103 transitions. Second operand 14 states. [2020-10-27 20:09:31,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:09:31,328 INFO L93 Difference]: Finished difference Result 128 states and 159 transitions. [2020-10-27 20:09:31,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 20:09:31,329 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 64 [2020-10-27 20:09:31,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:09:31,330 INFO L225 Difference]: With dead ends: 128 [2020-10-27 20:09:31,330 INFO L226 Difference]: Without dead ends: 96 [2020-10-27 20:09:31,331 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=120, Invalid=582, Unknown=0, NotChecked=0, Total=702 [2020-10-27 20:09:31,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-10-27 20:09:31,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 87. [2020-10-27 20:09:31,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-27 20:09:31,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 105 transitions. [2020-10-27 20:09:31,354 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 105 transitions. Word has length 64 [2020-10-27 20:09:31,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:09:31,354 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 105 transitions. [2020-10-27 20:09:31,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 20:09:31,354 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 105 transitions. [2020-10-27 20:09:31,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-27 20:09:31,358 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:09:31,360 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:09:31,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 20:09:31,360 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:09:31,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:09:31,361 INFO L82 PathProgramCache]: Analyzing trace with hash -11560168, now seen corresponding path program 6 times [2020-10-27 20:09:31,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:09:31,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1732429218] [2020-10-27 20:09:31,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:09:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:31,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:31,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:31,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:31,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:31,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:31,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:32,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:32,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:36,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:36,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-27 20:09:36,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 20:09:36,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 20:09:36,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:36,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 20:09:36,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-27 20:09:36,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 20:09:36,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:36,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:09:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:36,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:36,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:36,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:09:36,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:36,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:09:36,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:36,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:09:36,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:36,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:09:36,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:36,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:09:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:36,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:36,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:36,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 20:09:36,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:36,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:09:36,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:36,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:09:36,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:36,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:09:36,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:36,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:09:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:36,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:36,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:36,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:09:36,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:36,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:09:36,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:36,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:09:36,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:36,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:09:36,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:36,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 20:09:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:36,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:36,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:36,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:09:36,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:36,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:09:36,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:36,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:09:36,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:36,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:09:36,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:36,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 20:09:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:36,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:36,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:36,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:09:36,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:36,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:09:36,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:36,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:09:36,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:36,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:09:36,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:36,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 20:09:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:36,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:36,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:36,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:36,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:09:36,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:09:36,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 20:09:36,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:36,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:09:36,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:09:36,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:09:36,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:36,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 20:09:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:36,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:36,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:36,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:09:36,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:36,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:09:36,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:36,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:09:36,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 20:09:36,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:09:36,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:36,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 20:09:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:36,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:36,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:36,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:09:36,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:36,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:09:36,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:36,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:09:36,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 20:09:36,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:09:36,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:36,625 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 14 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 20:09:36,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1732429218] [2020-10-27 20:09:36,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:09:36,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 20:09:36,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527347649] [2020-10-27 20:09:36,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 20:09:36,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:09:36,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 20:09:36,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:09:36,628 INFO L87 Difference]: Start difference. First operand 87 states and 105 transitions. Second operand 13 states. [2020-10-27 20:09:37,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:09:37,348 INFO L93 Difference]: Finished difference Result 130 states and 153 transitions. [2020-10-27 20:09:37,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 20:09:37,349 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 72 [2020-10-27 20:09:37,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:09:37,350 INFO L225 Difference]: With dead ends: 130 [2020-10-27 20:09:37,351 INFO L226 Difference]: Without dead ends: 67 [2020-10-27 20:09:37,352 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2020-10-27 20:09:37,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-27 20:09:37,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2020-10-27 20:09:37,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-10-27 20:09:37,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 73 transitions. [2020-10-27 20:09:37,363 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 73 transitions. Word has length 72 [2020-10-27 20:09:37,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:09:37,363 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 73 transitions. [2020-10-27 20:09:37,363 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 20:09:37,363 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 73 transitions. [2020-10-27 20:09:37,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-27 20:09:37,364 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:09:37,364 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:09:37,364 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 20:09:37,365 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:09:37,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:09:37,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1073244579, now seen corresponding path program 1 times [2020-10-27 20:09:37,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:09:37,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2024460651] [2020-10-27 20:09:37,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:09:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:37,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:37,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:37,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:37,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:37,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:37,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:42,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:42,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:42,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 20:09:42,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:09:42,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 20:09:42,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:42,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 20:09:42,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:09:42,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 20:09:42,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:42,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:09:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:42,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:42,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:42,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:09:42,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:42,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:09:42,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:42,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:09:42,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:42,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:09:42,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:42,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:09:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:42,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:42,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:42,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 20:09:42,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:42,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:09:42,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:42,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:09:42,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:42,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:09:42,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:42,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:09:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:42,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:42,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:42,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:09:42,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:42,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:09:42,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:42,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:09:42,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:42,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:09:42,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:42,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 20:09:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:42,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:42,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:42,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:09:42,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:42,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:09:42,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:42,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:09:42,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:42,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:09:42,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:42,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 20:09:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:42,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:42,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:42,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:09:42,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:42,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:09:42,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:42,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:09:42,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:42,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:09:42,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:42,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 20:09:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:42,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:42,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:42,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:09:42,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:42,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 20:09:42,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:42,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:09:42,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:42,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:09:42,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:42,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 20:09:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:42,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:42,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:42,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:42,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:09:42,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:09:42,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 20:09:42,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:09:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:09:42,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:09:42,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 20:09:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:42,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:42,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:42,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:09:42,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:42,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:09:42,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:42,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:09:42,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:09:42,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:09:42,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:09:42,765 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-27 20:09:42,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2024460651] [2020-10-27 20:09:42,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:09:42,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 20:09:42,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93343342] [2020-10-27 20:09:42,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 20:09:42,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:09:42,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 20:09:42,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2020-10-27 20:09:42,767 INFO L87 Difference]: Start difference. First operand 67 states and 73 transitions. Second operand 16 states. [2020-10-27 20:09:43,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:09:43,707 INFO L93 Difference]: Finished difference Result 90 states and 98 transitions. [2020-10-27 20:09:43,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 20:09:43,708 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 73 [2020-10-27 20:09:43,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:09:43,708 INFO L225 Difference]: With dead ends: 90 [2020-10-27 20:09:43,708 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 20:09:43,709 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=136, Invalid=734, Unknown=0, NotChecked=0, Total=870 [2020-10-27 20:09:43,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 20:09:43,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 20:09:43,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 20:09:43,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 20:09:43,710 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2020-10-27 20:09:43,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:09:43,710 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 20:09:43,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 20:09:43,710 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 20:09:43,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 20:09:43,711 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 20:09:43,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 20:09:43,936 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 107 [2020-10-27 20:09:44,342 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 71 [2020-10-27 20:09:44,520 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 116 [2020-10-27 20:09:45,086 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 57 [2020-10-27 20:09:45,321 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 34 [2020-10-27 20:09:45,672 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 46 [2020-10-27 20:09:45,953 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 44 [2020-10-27 20:09:46,146 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 48 [2020-10-27 20:09:46,787 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 78 [2020-10-27 20:09:46,966 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2020-10-27 20:09:46,966 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 12) the Hoare annotation is: true [2020-10-27 20:09:46,966 INFO L274 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed. [2020-10-27 20:09:46,966 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-10-27 20:09:46,966 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-27 20:09:46,966 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 20:09:46,967 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 20:09:46,967 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 20:09:46,967 INFO L277 CegarLoopResult]: At program point myexitENTRY(lines 571 573) the Hoare annotation is: true [2020-10-27 20:09:46,967 INFO L277 CegarLoopResult]: At program point L572(line 572) the Hoare annotation is: true [2020-10-27 20:09:46,967 INFO L274 CegarLoopResult]: For program point myexitEXIT(lines 571 573) no Hoare annotation was computed. [2020-10-27 20:09:46,967 INFO L277 CegarLoopResult]: At program point L593-2(lines 593 597) the Hoare annotation is: true [2020-10-27 20:09:46,968 INFO L274 CegarLoopResult]: For program point L593-3(lines 592 598) no Hoare annotation was computed. [2020-10-27 20:09:46,968 INFO L274 CegarLoopResult]: For program point sll_destroyEXIT(lines 592 598) no Hoare annotation was computed. [2020-10-27 20:09:46,968 INFO L270 CegarLoopResult]: At program point sll_destroyENTRY(lines 592 598) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-10-27 20:09:46,968 INFO L270 CegarLoopResult]: At program point L607-2(lines 607 610) the Hoare annotation is: (let ((.cse2 (+ sll_update_at_~index 1)) (.cse4 (= sll_update_at_~data |sll_update_at_#in~data|))) (and (let ((.cse0 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (.cse1 (= |#memory_int| |old(#memory_int)|)) (.cse3 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) (or (and .cse0 .cse1 (<= .cse2 |sll_update_at_#in~index|) .cse3) (and .cse0 (= |sll_update_at_#in~head.base| sll_update_at_~head.base) .cse1 (= |sll_update_at_#in~head.offset| sll_update_at_~head.offset) (= |sll_update_at_#in~index| sll_update_at_~index) .cse4 .cse3))) (or (and (<= |sll_update_at_#in~index| .cse2) (let ((.cse5 (+ |sll_update_at_#in~head.offset| 4))) (let ((.cse6 (select (select |#memory_$Pointer$.base| |sll_update_at_#in~head.base|) .cse5))) (or (and (= (select (select |#memory_$Pointer$.offset| |sll_update_at_#in~head.base|) .cse5) sll_update_at_~head.offset) .cse4 (= .cse6 sll_update_at_~head.base)) (= .cse6 |sll_update_at_#in~head.base|)))) (<= 1 |sll_update_at_#in~index|)) (<= |sll_update_at_#in~index| sll_update_at_~index) (not (<= |sll_update_at_#in~index| 1))))) [2020-10-27 20:09:46,969 INFO L274 CegarLoopResult]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2020-10-27 20:09:46,969 INFO L274 CegarLoopResult]: For program point sll_update_atFINAL(lines 606 612) no Hoare annotation was computed. [2020-10-27 20:09:46,969 INFO L274 CegarLoopResult]: For program point sll_update_atEXIT(lines 606 612) no Hoare annotation was computed. [2020-10-27 20:09:46,969 INFO L270 CegarLoopResult]: At program point sll_update_atENTRY(lines 606 612) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-27 20:09:46,969 INFO L274 CegarLoopResult]: For program point __bswap_32ENTRY(lines 74 78) no Hoare annotation was computed. [2020-10-27 20:09:46,969 INFO L274 CegarLoopResult]: For program point __bswap_32FINAL(lines 74 78) no Hoare annotation was computed. [2020-10-27 20:09:46,969 INFO L274 CegarLoopResult]: For program point __bswap_32EXIT(lines 74 78) no Hoare annotation was computed. [2020-10-27 20:09:46,969 INFO L274 CegarLoopResult]: For program point sll_createEXIT(lines 583 591) no Hoare annotation was computed. [2020-10-27 20:09:46,970 INFO L270 CegarLoopResult]: At program point sll_createENTRY(lines 583 591) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 20:09:46,970 INFO L270 CegarLoopResult]: At program point L586(line 586) the Hoare annotation is: (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= sll_create_~head~0.base 0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (= (select |#valid| sll_create_~head~0.base) 0))) [2020-10-27 20:09:46,970 INFO L274 CegarLoopResult]: For program point L586-1(line 586) no Hoare annotation was computed. [2020-10-27 20:09:46,970 INFO L274 CegarLoopResult]: For program point L585-2(lines 585 589) no Hoare annotation was computed. [2020-10-27 20:09:46,970 INFO L270 CegarLoopResult]: At program point L585-3(lines 585 589) the Hoare annotation is: (or (and (not (= sll_create_~head~0.base (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4))) (= sll_create_~head~0.offset 0) (not (= (select |#valid| sll_create_~head~0.base) 0))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= |sll_create_#in~len| sll_create_~len) (= |old(#length)| |#length|) (= sll_create_~head~0.base 0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))) [2020-10-27 20:09:46,970 INFO L274 CegarLoopResult]: For program point L585-4(lines 585 589) no Hoare annotation was computed. [2020-10-27 20:09:46,970 INFO L274 CegarLoopResult]: For program point sll_createFINAL(lines 583 591) no Hoare annotation was computed. [2020-10-27 20:09:46,970 INFO L274 CegarLoopResult]: For program point __bswap_64ENTRY(lines 79 83) no Hoare annotation was computed. [2020-10-27 20:09:46,971 INFO L274 CegarLoopResult]: For program point __bswap_64FINAL(lines 79 83) no Hoare annotation was computed. [2020-10-27 20:09:46,971 INFO L274 CegarLoopResult]: For program point __bswap_64EXIT(lines 79 83) no Hoare annotation was computed. [2020-10-27 20:09:46,971 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 20:09:46,971 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-27 20:09:46,971 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 20:09:46,971 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 20:09:46,971 INFO L277 CegarLoopResult]: At program point sll_get_data_atENTRY(lines 599 605) the Hoare annotation is: true [2020-10-27 20:09:46,971 INFO L274 CegarLoopResult]: For program point sll_get_data_atFINAL(lines 599 605) no Hoare annotation was computed. [2020-10-27 20:09:46,971 INFO L270 CegarLoopResult]: At program point L600-2(lines 600 603) the Hoare annotation is: (let ((.cse3 (= |sll_get_data_at_#in~index| sll_get_data_at_~index))) (and (let ((.cse2 (+ sll_get_data_at_~index 1))) (let ((.cse0 (<= .cse2 |sll_get_data_at_#in~index|))) (or (and .cse0 (<= 2 |sll_get_data_at_#in~index|)) (let ((.cse1 (+ |sll_get_data_at_#in~head.offset| 4))) (and (= (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) .cse1) sll_get_data_at_~head.offset) .cse0 (= sll_get_data_at_~head.base (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) .cse1)) (<= |sll_get_data_at_#in~index| .cse2))) (and .cse3 (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|) (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|))))) (or (not (<= |sll_get_data_at_#in~index| 0)) .cse3))) [2020-10-27 20:09:46,971 INFO L274 CegarLoopResult]: For program point L600-3(lines 600 603) no Hoare annotation was computed. [2020-10-27 20:09:46,971 INFO L274 CegarLoopResult]: For program point sll_get_data_atEXIT(lines 599 605) no Hoare annotation was computed. [2020-10-27 20:09:46,971 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 613 632) no Hoare annotation was computed. [2020-10-27 20:09:46,972 INFO L274 CegarLoopResult]: For program point L630(line 630) no Hoare annotation was computed. [2020-10-27 20:09:46,972 INFO L274 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-10-27 20:09:46,972 INFO L270 CegarLoopResult]: At program point L624(line 624) the Hoare annotation is: (let ((.cse15 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse6 (+ main_~i~0 1))) (let ((.cse1 (<= main_~len~0 2)) (.cse11 (<= main_~i~0 0)) (.cse12 (<= main_~len~0 .cse6)) (.cse3 (<= 0 main_~i~0)) (.cse4 (or (= .cse15 main_~expected~0) (<= 1 main_~i~0))) (.cse5 (= main_~len~0 .cse15)) (.cse7 (<= main_~i~0 1)) (.cse8 (select |#memory_$Pointer$.offset| main_~s~0.base)) (.cse10 (select |#memory_$Pointer$.base| main_~s~0.base))) (or (let ((.cse9 (+ main_~s~0.offset 4))) (let ((.cse0 (select .cse10 .cse9))) (let ((.cse2 (select (select |#memory_int| .cse0) (select .cse8 .cse9)))) (and (not (= .cse0 main_~s~0.base)) .cse1 (= .cse2 main_~expected~0) .cse3 (= (* main_~len~0 2) (+ .cse2 1)) .cse4 .cse5 (= main_~len~0 .cse6) .cse7)))) (and .cse11 .cse1 .cse3 .cse4 .cse5 .cse7) (and .cse11 .cse12 (<= 0 .cse6) .cse4 .cse5) (let ((.cse13 (select .cse10 4))) (let ((.cse14 (select (select |#memory_int| .cse13) (select .cse8 4)))) (and (not (= .cse13 main_~s~0.base)) (= (+ main_~len~0 1) .cse14) .cse12 .cse3 .cse4 .cse5 (= main_~s~0.offset 0) (= .cse14 main_~expected~0) .cse7)))))) [2020-10-27 20:09:46,972 INFO L274 CegarLoopResult]: For program point L624-1(line 624) no Hoare annotation was computed. [2020-10-27 20:09:46,972 INFO L274 CegarLoopResult]: For program point L624-2(lines 624 626) no Hoare annotation was computed. [2020-10-27 20:09:46,972 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 613 632) no Hoare annotation was computed. [2020-10-27 20:09:46,972 INFO L270 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: (let ((.cse6 (select |#memory_$Pointer$.base| main_~s~0.base)) (.cse5 (+ main_~s~0.offset 4))) (let ((.cse4 (select .cse6 .cse5))) (let ((.cse0 (<= main_~i~0 0)) (.cse1 (not (= .cse4 main_~s~0.base))) (.cse2 (<= 0 main_~i~0)) (.cse3 (= (+ main_~i~0 main_~len~0) main_~new_data~0)) (.cse7 (+ main_~i~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= (* main_~len~0 2) (+ (select (select |#memory_int| .cse4) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse5)) 1)) (<= main_~len~0 (+ main_~i~0 2))) (and (not (= (select .cse6 4) main_~s~0.base)) .cse0 (<= main_~len~0 .cse7) .cse2 .cse3 (= main_~s~0.offset 0)) (and .cse1 .cse2 .cse3 (= main_~len~0 .cse7) (<= main_~i~0 1)))))) [2020-10-27 20:09:46,973 INFO L274 CegarLoopResult]: For program point L622-2(lines 622 627) no Hoare annotation was computed. [2020-10-27 20:09:46,973 INFO L274 CegarLoopResult]: For program point L620-1(lines 618 621) no Hoare annotation was computed. [2020-10-27 20:09:46,973 INFO L270 CegarLoopResult]: At program point L622-3(lines 622 627) the Hoare annotation is: (let ((.cse5 (+ main_~i~0 1))) (let ((.cse2 (select |#memory_$Pointer$.offset| main_~s~0.base)) (.cse7 (select |#memory_$Pointer$.base| main_~s~0.base)) (.cse9 (<= main_~len~0 .cse5)) (.cse1 (<= main_~len~0 2)) (.cse4 (= main_~len~0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (.cse6 (<= main_~i~0 1))) (or (let ((.cse3 (+ main_~s~0.offset 4))) (let ((.cse0 (select .cse7 .cse3))) (and (not (= .cse0 main_~s~0.base)) .cse1 (= (* main_~len~0 2) (+ (select (select |#memory_int| .cse0) (select .cse2 .cse3)) 1)) .cse4 (= main_~len~0 .cse5) .cse6))) (let ((.cse8 (select .cse7 4))) (and (not (= .cse8 main_~s~0.base)) (= (+ main_~len~0 1) (select (select |#memory_int| .cse8) (select .cse2 4))) .cse9 .cse4 (= main_~s~0.offset 0) .cse6)) (and .cse9 (<= .cse5 0)) (and (<= main_~i~0 0) .cse1 .cse4 .cse6)))) [2020-10-27 20:09:46,973 INFO L270 CegarLoopResult]: At program point L622-4(lines 622 627) the Hoare annotation is: (<= (+ main_~i~0 1) 0) [2020-10-27 20:09:46,973 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= main_~len~0 2) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 20:09:46,974 INFO L270 CegarLoopResult]: At program point L618-2(lines 618 621) the Hoare annotation is: (let ((.cse15 (select |#memory_$Pointer$.base| main_~s~0.base)) (.cse17 (+ main_~s~0.offset 4)) (.cse1 (+ main_~i~0 1))) (let ((.cse7 (or (< 0 .cse1) (= (+ main_~i~0 main_~len~0 1) (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)))) (.cse8 (<= 0 .cse1)) (.cse6 (* main_~len~0 2)) (.cse14 (select |#memory_$Pointer$.offset| main_~s~0.base)) (.cse16 (select .cse15 .cse17))) (let ((.cse0 (not (= .cse16 main_~s~0.base))) (.cse5 (= .cse6 (+ (select (select |#memory_int| .cse16) (select .cse14 .cse17)) 1))) (.cse10 (<= main_~len~0 .cse1)) (.cse3 (<= main_~len~0 2)) (.cse2 (<= main_~i~0 0)) (.cse4 (or (<= 0 main_~i~0) (and .cse7 .cse8 (<= main_~len~0 (+ main_~i~0 2))))) (.cse9 (<= .cse1 0))) (or (and .cse0 (= main_~len~0 .cse1) (<= main_~i~0 1)) (and .cse2 .cse0 .cse3 .cse4 .cse5 (= (+ main_~new_data~0 1) .cse6)) (and .cse7 .cse0 .cse3 .cse8 .cse9 .cse5) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) .cse10 (= |#memory_int| |old(#memory_int)|) .cse9 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (and (let ((.cse13 (select .cse15 4))) (let ((.cse11 (not (= .cse13 main_~s~0.base))) (.cse12 (= main_~s~0.offset 0))) (or (and .cse11 .cse10 .cse12) (and .cse11 (= (+ main_~len~0 1) (select (select |#memory_int| .cse13) (select .cse14 4))) .cse3 .cse4 .cse12)))) .cse2) (and .cse4 .cse9))))) [2020-10-27 20:09:46,974 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-27 20:09:46,974 INFO L274 CegarLoopResult]: For program point L618-3(lines 618 621) no Hoare annotation was computed. [2020-10-27 20:09:46,974 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 613 632) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 20:09:46,974 INFO L270 CegarLoopResult]: At program point L625(lines 613 632) the Hoare annotation is: false [2020-10-27 20:09:46,974 INFO L277 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: true [2020-10-27 20:09:46,974 INFO L274 CegarLoopResult]: For program point L576(lines 576 578) no Hoare annotation was computed. [2020-10-27 20:09:46,974 INFO L274 CegarLoopResult]: For program point L576-1(lines 576 578) no Hoare annotation was computed. [2020-10-27 20:09:46,974 INFO L270 CegarLoopResult]: At program point node_createENTRY(lines 574 582) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 20:09:46,974 INFO L274 CegarLoopResult]: For program point node_createFINAL(lines 574 582) no Hoare annotation was computed. [2020-10-27 20:09:46,974 INFO L274 CegarLoopResult]: For program point node_createEXIT(lines 574 582) no Hoare annotation was computed. [2020-10-27 20:09:46,983 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:46,985 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:46,986 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:46,987 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:46,993 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:46,994 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:46,994 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:46,994 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:46,998 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:46,998 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:46,999 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:46,999 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,000 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,000 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,001 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,001 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,001 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,001 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,001 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,004 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,004 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,004 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,004 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,010 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,010 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,010 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,024 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,024 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,024 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,025 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,025 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,025 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,025 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,027 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,027 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,027 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,027 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 20:09:47,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 20:09:47,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,032 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,032 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,033 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,033 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,033 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,034 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,034 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,034 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,034 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,035 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,035 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,035 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,035 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,035 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,036 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,036 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,036 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,036 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,037 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,037 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,037 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,037 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,037 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,038 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,038 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,038 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,038 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,038 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 20:09:47,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 20:09:47,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,040 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,040 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,040 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,040 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,040 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,040 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,041 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,041 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,041 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,042 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,043 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 20:09:47,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 20:09:47,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,045 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,045 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,045 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,046 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,046 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 20:09:47,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 20:09:47,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,048 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,048 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,048 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,049 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,049 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,049 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,055 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 08:09:47 BoogieIcfgContainer [2020-10-27 20:09:47,068 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 20:09:47,071 INFO L168 Benchmark]: Toolchain (without parser) took 84651.33 ms. Allocated memory was 153.1 MB in the beginning and 706.7 MB in the end (delta: 553.6 MB). Free memory was 127.6 MB in the beginning and 616.3 MB in the end (delta: -488.7 MB). Peak memory consumption was 421.3 MB. Max. memory is 8.0 GB. [2020-10-27 20:09:47,072 INFO L168 Benchmark]: CDTParser took 0.75 ms. Allocated memory is still 153.1 MB. Free memory is still 125.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 20:09:47,075 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.13 ms. Allocated memory is still 153.1 MB. Free memory was 127.0 MB in the beginning and 104.1 MB in the end (delta: 22.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-10-27 20:09:47,078 INFO L168 Benchmark]: Boogie Preprocessor took 103.60 ms. Allocated memory is still 153.1 MB. Free memory was 104.1 MB in the beginning and 135.3 MB in the end (delta: -31.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-27 20:09:47,081 INFO L168 Benchmark]: RCFGBuilder took 974.50 ms. Allocated memory is still 153.1 MB. Free memory was 135.3 MB in the beginning and 90.8 MB in the end (delta: 44.6 MB). Peak memory consumption was 44.0 MB. Max. memory is 8.0 GB. [2020-10-27 20:09:47,082 INFO L168 Benchmark]: TraceAbstraction took 82848.22 ms. Allocated memory was 153.1 MB in the beginning and 706.7 MB in the end (delta: 553.6 MB). Free memory was 90.2 MB in the beginning and 616.3 MB in the end (delta: -526.1 MB). Peak memory consumption was 383.6 MB. Max. memory is 8.0 GB. [2020-10-27 20:09:47,084 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75 ms. Allocated memory is still 153.1 MB. Free memory is still 125.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 706.13 ms. Allocated memory is still 153.1 MB. Free memory was 127.0 MB in the beginning and 104.1 MB in the end (delta: 22.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 103.60 ms. Allocated memory is still 153.1 MB. Free memory was 104.1 MB in the beginning and 135.3 MB in the end (delta: -31.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 974.50 ms. Allocated memory is still 153.1 MB. Free memory was 135.3 MB in the beginning and 90.8 MB in the end (delta: 44.6 MB). Peak memory consumption was 44.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 82848.22 ms. Allocated memory was 153.1 MB in the beginning and 706.7 MB in the end (delta: 553.6 MB). Free memory was 90.2 MB in the beginning and 616.3 MB in the end (delta: -526.1 MB). Peak memory consumption was 383.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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_$Pointer$.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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_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_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 #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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_$Pointer$ - 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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - 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 #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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_$Pointer$ - 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 #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * 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: 600]: Loop Invariant [2020-10-27 20:09:47,099 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,099 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,099 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,100 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,100 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,100 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((index + 1 <= \old(index) && 2 <= \old(index)) || (((#memory_$Pointer$[head][head + 4] == head && index + 1 <= \old(index)) && head == #memory_$Pointer$[head][head + 4]) && \old(index) <= index + 1)) || ((\old(index) == index && head == head) && head == head)) && (!(\old(index) <= 0) || \old(index) == index) - InvariantResult [Line: 607]: Loop Invariant [2020-10-27 20:09:47,101 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,101 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,104 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,104 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,104 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,104 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,104 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,104 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,104 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,107 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,107 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,108 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,108 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,108 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,108 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,108 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,108 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && index + 1 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) || ((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && head == head) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && head == head) && \old(index) == index) && data == \old(data)) && #memory_$Pointer$ == \old(#memory_$Pointer$))) && ((((\old(index) <= index + 1 && (((#memory_$Pointer$[head][head + 4] == head && data == \old(data)) && #memory_$Pointer$[head][head + 4] == head) || #memory_$Pointer$[head][head + 4] == head)) && 1 <= \old(index)) || \old(index) <= index) || !(\old(index) <= 1)) - InvariantResult [Line: 618]: Loop Invariant [2020-10-27 20:09:47,116 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,116 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,117 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,117 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,118 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,118 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,118 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,118 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,119 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,119 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,119 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,119 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,119 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,119 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,120 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,120 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 20:09:47,124 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 20:09:47,124 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,124 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,124 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,124 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,124 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,124 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,127 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,127 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,132 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,132 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,133 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,133 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,133 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,133 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,133 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,133 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,134 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,134 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,134 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,134 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,134 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 20:09:47,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 20:09:47,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((!(#memory_$Pointer$[s][s + 4] == s) && len == i + 1) && i <= 1) || (((((i <= 0 && !(#memory_$Pointer$[s][s + 4] == s)) && len <= 2) && (0 <= i || (((0 < i + 1 || i + len + 1 == unknown-#memory_int-unknown[s][s]) && 0 <= i + 1) && len <= i + 2))) && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && new_data + 1 == len * 2)) || ((((((0 < i + 1 || i + len + 1 == unknown-#memory_int-unknown[s][s]) && !(#memory_$Pointer$[s][s + 4] == s)) && len <= 2) && 0 <= i + 1) && i + 1 <= 0) && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1)) || ((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(unknown-#length-unknown) == unknown-#length-unknown) && len <= i + 1) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && i + 1 <= 0) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid)) || ((((!(#memory_$Pointer$[s][4] == s) && len <= i + 1) && s == 0) || ((((!(#memory_$Pointer$[s][4] == s) && len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]]) && len <= 2) && (0 <= i || (((0 < i + 1 || i + len + 1 == unknown-#memory_int-unknown[s][s]) && 0 <= i + 1) && len <= i + 2))) && s == 0)) && i <= 0)) || ((0 <= i || (((0 < i + 1 || i + len + 1 == unknown-#memory_int-unknown[s][s]) && 0 <= i + 1) && len <= i + 2)) && i + 1 <= 0) - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant [2020-10-27 20:09:47,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,141 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 20:09:47,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 20:09:47,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,142 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,142 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,142 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,143 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,143 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 20:09:47,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 20:09:47,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((!(head == #memory_$Pointer$[head][4]) && head == 0) && !(\valid[head] == 0)) || ((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(len) <= len) && \old(unknown-#length-unknown) == unknown-#length-unknown) && head == 0) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid) - InvariantResult [Line: 622]: Loop Invariant [2020-10-27 20:09:47,144 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,145 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,145 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,145 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,145 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,145 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,148 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,148 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,148 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,148 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:09:47,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:09:47,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,150 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,150 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,150 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,150 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,150 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:09:47,150 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:09:47,151 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((((!(#memory_$Pointer$[s][s + 4] == s) && len <= 2) && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && len == unknown-#memory_int-unknown[s][s]) && len == i + 1) && i <= 1) || (((((!(#memory_$Pointer$[s][4] == s) && len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]]) && len <= i + 1) && len == unknown-#memory_int-unknown[s][s]) && s == 0) && i <= 1)) || (len <= i + 1 && i + 1 <= 0)) || (((i <= 0 && len <= 2) && len == unknown-#memory_int-unknown[s][s]) && i <= 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 79.4s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 16.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 510 SDtfs, 977 SDslu, 2621 SDs, 0 SdLazy, 6487 SolverSat, 775 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 437 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 313 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1197 ImplicationChecksByTransitivity, 11.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred 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, 265 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 111 PreInvPairs, 190 NumberOfFragments, 1094 HoareAnnotationTreeSize, 111 FomulaSimplifications, 140554 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 25 FomulaSimplificationsInter, 12400 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 61.6s InterpolantComputationTime, 659 NumberOfCodeBlocks, 659 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 646 ConstructedInterpolants, 0 QuantifiedInterpolants, 202549 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 115/221 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...