/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=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 01:22:38,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 01:22:38,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 01:22:38,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 01:22:38,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 01:22:38,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 01:22:38,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 01:22:38,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 01:22:38,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 01:22:38,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 01:22:38,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 01:22:38,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 01:22:38,551 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 01:22:38,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 01:22:38,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 01:22:38,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 01:22:38,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 01:22:38,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 01:22:38,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 01:22:38,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 01:22:38,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 01:22:38,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 01:22:38,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 01:22:38,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 01:22:38,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 01:22:38,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 01:22:38,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 01:22:38,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 01:22:38,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 01:22:38,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 01:22:38,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 01:22:38,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 01:22:38,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 01:22:38,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 01:22:38,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 01:22:38,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 01:22:38,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 01:22:38,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 01:22:38,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 01:22:38,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 01:22:38,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 01:22:38,631 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 01:22:38,658 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 01:22:38,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 01:22:38,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 01:22:38,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 01:22:38,661 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 01:22:38,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 01:22:38,661 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 01:22:38,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 01:22:38,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 01:22:38,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 01:22:38,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 01:22:38,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 01:22:38,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 01:22:38,663 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 01:22:38,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 01:22:38,663 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 01:22:38,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 01:22:38,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 01:22:38,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 01:22:38,664 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 01:22:38,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 01:22:38,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 01:22:38,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 01:22:38,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 01:22:38,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 01:22:38,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 01:22:38,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 01:22:38,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 01:22:38,666 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 01:22:38,666 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 01:22:39,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 01:22:39,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 01:22:39,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 01:22:39,077 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 01:22:39,078 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 01:22:39,079 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i [2020-10-27 01:22:39,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/deaa392b9/f66567c2b7a047dab1ec247796064c0c/FLAG0c4d821bd [2020-10-27 01:22:40,032 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 01:22:40,033 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i [2020-10-27 01:22:40,048 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/deaa392b9/f66567c2b7a047dab1ec247796064c0c/FLAG0c4d821bd [2020-10-27 01:22:40,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/deaa392b9/f66567c2b7a047dab1ec247796064c0c [2020-10-27 01:22:40,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 01:22:40,076 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 01:22:40,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 01:22:40,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 01:22:40,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 01:22:40,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:22:40" (1/1) ... [2020-10-27 01:22:40,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a4aacf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:22:40, skipping insertion in model container [2020-10-27 01:22:40,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:22:40" (1/1) ... [2020-10-27 01:22:40,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 01:22:40,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 01:22:40,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 01:22:40,569 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 01:22:40,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 01:22:40,682 INFO L208 MainTranslator]: Completed translation [2020-10-27 01:22:40,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:22:40 WrapperNode [2020-10-27 01:22:40,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 01:22:40,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 01:22:40,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 01:22:40,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 01:22:40,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:22:40" (1/1) ... [2020-10-27 01:22:40,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:22:40" (1/1) ... [2020-10-27 01:22:40,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:22:40" (1/1) ... [2020-10-27 01:22:40,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:22:40" (1/1) ... [2020-10-27 01:22:40,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:22:40" (1/1) ... [2020-10-27 01:22:40,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:22:40" (1/1) ... [2020-10-27 01:22:40,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:22:40" (1/1) ... [2020-10-27 01:22:40,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 01:22:40,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 01:22:40,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 01:22:40,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 01:22:40,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:22:40" (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 01:22:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 01:22:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 01:22:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 01:22:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-27 01:22:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-27 01:22:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-27 01:22:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-27 01:22:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2020-10-27 01:22:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2020-10-27 01:22:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_get_data_at [2020-10-27 01:22:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_update_at [2020-10-27 01:22:40,900 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 01:22:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 01:22:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 01:22:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 01:22:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 01:22:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 01:22:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 01:22:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-27 01:22:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-27 01:22:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-27 01:22:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-27 01:22:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-27 01:22:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-27 01:22:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-27 01:22:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-27 01:22:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-27 01:22:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-27 01:22:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-27 01:22:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-27 01:22:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-27 01:22:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-27 01:22:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-27 01:22:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-27 01:22:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-27 01:22:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-27 01:22:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-27 01:22:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-27 01:22:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-27 01:22:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-27 01:22:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-27 01:22:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-27 01:22:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-27 01:22:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-27 01:22:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-27 01:22:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-27 01:22:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-27 01:22:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-27 01:22:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-27 01:22:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-27 01:22:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-27 01:22:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-27 01:22:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-27 01:22:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-27 01:22:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-27 01:22:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-27 01:22:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-27 01:22:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-27 01:22:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-27 01:22:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-27 01:22:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-27 01:22:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-27 01:22:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-27 01:22:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-27 01:22:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-27 01:22:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-27 01:22:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-27 01:22:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-27 01:22:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-27 01:22:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-27 01:22:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 01:22:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 01:22:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-27 01:22:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 01:22:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-27 01:22:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-27 01:22:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-27 01:22:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-27 01:22:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-27 01:22:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-27 01:22:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-27 01:22:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-27 01:22:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 01:22:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-27 01:22:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-27 01:22:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-27 01:22:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-27 01:22:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-27 01:22:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-27 01:22:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-27 01:22:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-27 01:22:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-27 01:22:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-27 01:22:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-27 01:22:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-27 01:22:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-27 01:22:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-27 01:22:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-27 01:22:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-27 01:22:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-27 01:22:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-27 01:22:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-27 01:22:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-27 01:22:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-27 01:22:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-27 01:22:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-27 01:22:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-27 01:22:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-27 01:22:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-27 01:22:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-27 01:22:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-27 01:22:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-27 01:22:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-27 01:22:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-27 01:22:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-27 01:22:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-27 01:22:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-27 01:22:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-27 01:22:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-27 01:22:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-27 01:22:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-27 01:22:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-27 01:22:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-27 01:22:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-27 01:22:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 01:22:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 01:22:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 01:22:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2020-10-27 01:22:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2020-10-27 01:22:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 01:22:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 01:22:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_get_data_at [2020-10-27 01:22:40,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 01:22:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_update_at [2020-10-27 01:22:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 01:22:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 01:22:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 01:22:40,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 01:22:41,418 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-27 01:22:41,578 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 01:22:41,578 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-27 01:22:41,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:22:41 BoogieIcfgContainer [2020-10-27 01:22:41,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 01:22:41,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 01:22:41,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 01:22:41,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 01:22:41,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 01:22:40" (1/3) ... [2020-10-27 01:22:41,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@168a6283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:22:41, skipping insertion in model container [2020-10-27 01:22:41,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:22:40" (2/3) ... [2020-10-27 01:22:41,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@168a6283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:22:41, skipping insertion in model container [2020-10-27 01:22:41,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:22:41" (3/3) ... [2020-10-27 01:22:41,609 INFO L111 eAbstractionObserver]: Analyzing ICFG dll2c_update_all_reverse.i [2020-10-27 01:22:41,623 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 01:22:41,630 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 01:22:41,647 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 01:22:41,680 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 01:22:41,680 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 01:22:41,680 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 01:22:41,680 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 01:22:41,681 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 01:22:41,681 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 01:22:41,681 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 01:22:41,681 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 01:22:41,703 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2020-10-27 01:22:41,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-27 01:22:41,714 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:22:41,715 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:22:41,715 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:22:41,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:22:41,723 INFO L82 PathProgramCache]: Analyzing trace with hash -434495315, now seen corresponding path program 1 times [2020-10-27 01:22:41,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:22:41,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1936323754] [2020-10-27 01:22:41,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:22:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:42,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:42,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:42,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:43,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:43,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-27 01:22:43,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 01:22:43,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1657 [2020-10-27 01:22:43,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:43,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:22:43,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:22:43,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 01:22:43,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 01:22:43,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:22:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:43,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:43,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:43,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:22:43,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:43,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 01:22:43,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:43,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:43,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:43,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:43,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:43,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:22:43,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:43,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:43,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:43,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 01:22:43,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:43,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-27 01:22:43,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:43,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:22:43,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 01:22:43,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 01:22:43,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:43,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:22:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:43,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:43,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:43,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:43,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:43,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 01:22:43,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:43,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:22:43,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:43,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:22:43,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:43,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 01:22:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:43,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:43,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:43,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:43,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:43,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:22:43,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:43,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 01:22:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:43,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:43,914 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 01:22:43,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1936323754] [2020-10-27 01:22:43,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:22:43,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 01:22:43,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237341902] [2020-10-27 01:22:43,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 01:22:43,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:22:43,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 01:22:43,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-27 01:22:43,941 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 7 states. [2020-10-27 01:22:44,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:22:44,380 INFO L93 Difference]: Finished difference Result 116 states and 155 transitions. [2020-10-27 01:22:44,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 01:22:44,382 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-10-27 01:22:44,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:22:44,391 INFO L225 Difference]: With dead ends: 116 [2020-10-27 01:22:44,392 INFO L226 Difference]: Without dead ends: 52 [2020-10-27 01:22:44,395 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-10-27 01:22:44,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-10-27 01:22:44,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2020-10-27 01:22:44,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-27 01:22:44,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2020-10-27 01:22:44,448 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 34 [2020-10-27 01:22:44,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:22:44,448 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2020-10-27 01:22:44,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 01:22:44,449 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2020-10-27 01:22:44,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-27 01:22:44,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:22:44,451 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:22:44,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 01:22:44,452 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:22:44,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:22:44,453 INFO L82 PathProgramCache]: Analyzing trace with hash -2059482008, now seen corresponding path program 1 times [2020-10-27 01:22:44,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:22:44,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2029991197] [2020-10-27 01:22:44,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:22:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:44,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:44,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:44,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:44,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:44,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:46,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:46,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-27 01:22:46,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 01:22:46,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1822 [2020-10-27 01:22:46,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:46,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 01:22:46,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:22:46,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 01:22:46,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:46,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:22:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:46,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:46,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:46,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:22:46,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:46,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:22:46,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:46,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:46,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:46,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:46,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:46,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:22:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:46,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:46,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:46,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:46,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 01:22:46,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:22:46,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-27 01:22:46,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:46,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:22:46,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:46,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 01:22:46,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:46,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:22:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:46,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:46,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:46,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:46,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:46,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:22:46,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:46,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:46,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:46,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:46,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:46,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 01:22:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:46,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:46,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:46,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:46,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:46,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 01:22:46,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:46,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:46,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:46,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:46,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:46,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 01:22:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:46,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:46,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:46,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:46,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:46,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:22:46,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:46,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:46,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 01:22:46,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:46,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:46,598 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 01:22:46,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2029991197] [2020-10-27 01:22:46,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:22:46,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 01:22:46,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951667012] [2020-10-27 01:22:46,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 01:22:46,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:22:46,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 01:22:46,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 01:22:46,603 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand 6 states. [2020-10-27 01:22:46,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:22:46,849 INFO L93 Difference]: Finished difference Result 72 states and 83 transitions. [2020-10-27 01:22:46,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 01:22:46,850 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2020-10-27 01:22:46,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:22:46,852 INFO L225 Difference]: With dead ends: 72 [2020-10-27 01:22:46,852 INFO L226 Difference]: Without dead ends: 57 [2020-10-27 01:22:46,853 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 01:22:46,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-27 01:22:46,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 49. [2020-10-27 01:22:46,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-27 01:22:46,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2020-10-27 01:22:46,865 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 44 [2020-10-27 01:22:46,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:22:46,865 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2020-10-27 01:22:46,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 01:22:46,865 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2020-10-27 01:22:46,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-27 01:22:46,867 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:22:46,867 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:22:46,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 01:22:46,868 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:22:46,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:22:46,869 INFO L82 PathProgramCache]: Analyzing trace with hash 784219986, now seen corresponding path program 1 times [2020-10-27 01:22:46,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:22:46,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1698158182] [2020-10-27 01:22:46,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:22:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:46,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:46,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:46,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:47,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:47,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:47,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:50,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:51,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:51,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 01:22:51,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 01:22:51,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 01:22:51,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:51,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:22:51,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:22:51,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 01:22:51,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 01:22:51,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:22:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:51,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:51,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:51,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:22:51,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:51,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:22:51,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:51,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:51,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:51,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:51,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:51,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:22:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:52,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:52,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:52,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:52,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 01:22:52,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:22:52,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-27 01:22:52,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:52,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:22:52,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:52,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 01:22:52,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:52,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:22:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:52,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:52,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:52,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:52,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:52,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 01:22:52,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:52,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:22:52,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:52,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:22:52,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:52,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 01:22:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:52,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:52,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:52,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:52,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:52,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 01:22:52,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:52,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:22:52,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:52,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:22:52,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:22:52,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 01:22:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:52,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:52,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:52,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:52,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:52,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 01:22:52,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:52,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:22:52,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:52,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:22:52,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-27 01:22:52,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 01:22:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:52,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:52,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:52,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:52,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:52,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 01:22:52,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:52,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:22:52,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 01:22:52,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:22:52,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:22:52,415 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 01:22:52,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1698158182] [2020-10-27 01:22:52,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:22:52,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 01:22:52,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400655325] [2020-10-27 01:22:52,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 01:22:52,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:22:52,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 01:22:52,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-27 01:22:52,421 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 11 states. [2020-10-27 01:22:53,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:22:53,008 INFO L93 Difference]: Finished difference Result 79 states and 93 transitions. [2020-10-27 01:22:53,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 01:22:53,008 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 52 [2020-10-27 01:22:53,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:22:53,012 INFO L225 Difference]: With dead ends: 79 [2020-10-27 01:22:53,012 INFO L226 Difference]: Without dead ends: 65 [2020-10-27 01:22:53,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2020-10-27 01:22:53,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-27 01:22:53,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 55. [2020-10-27 01:22:53,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-27 01:22:53,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 63 transitions. [2020-10-27 01:22:53,026 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 63 transitions. Word has length 52 [2020-10-27 01:22:53,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:22:53,026 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 63 transitions. [2020-10-27 01:22:53,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 01:22:53,027 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2020-10-27 01:22:53,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-27 01:22:53,028 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:22:53,028 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:22:53,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 01:22:53,029 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:22:53,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:22:53,029 INFO L82 PathProgramCache]: Analyzing trace with hash -760340944, now seen corresponding path program 1 times [2020-10-27 01:22:53,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:22:53,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1583066647] [2020-10-27 01:22:53,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:22:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:53,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:53,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:53,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:53,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:53,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:53,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:55,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:55,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 01:22:55,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 01:22:55,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2922 [2020-10-27 01:22:55,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:55,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:22:55,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:22:55,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 01:22:55,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:22:56,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:22:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:56,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:56,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:56,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:22:56,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:56,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:22:56,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:56,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:56,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:56,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:56,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:22:56,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:22:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:56,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:56,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:56,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:56,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 01:22:56,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:22:56,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-27 01:22:56,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:56,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:22:56,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:56,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 01:22:56,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:56,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:22:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:56,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:56,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:56,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:56,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:56,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:22:56,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:56,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:56,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:56,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:56,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:56,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 01:22:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:56,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:56,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:56,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:56,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:56,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:22:56,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:56,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:56,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:56,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:56,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:56,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 01:22:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:56,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:56,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:56,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:56,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:56,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:22:56,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 01:22:56,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:56,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:22:56,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:56,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:22:56,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:56,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 01:22:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:56,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:56,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:56,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:22:56,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:56,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:22:56,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:56,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:56,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 01:22:56,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:56,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:56,354 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-27 01:22:56,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1583066647] [2020-10-27 01:22:56,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:22:56,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 01:22:56,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302338294] [2020-10-27 01:22:56,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 01:22:56,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:22:56,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 01:22:56,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 01:22:56,357 INFO L87 Difference]: Start difference. First operand 55 states and 63 transitions. Second operand 8 states. [2020-10-27 01:22:56,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:22:56,662 INFO L93 Difference]: Finished difference Result 84 states and 98 transitions. [2020-10-27 01:22:56,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 01:22:56,663 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2020-10-27 01:22:56,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:22:56,664 INFO L225 Difference]: With dead ends: 84 [2020-10-27 01:22:56,664 INFO L226 Difference]: Without dead ends: 63 [2020-10-27 01:22:56,667 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-27 01:22:56,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-27 01:22:56,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 58. [2020-10-27 01:22:56,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-27 01:22:56,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 67 transitions. [2020-10-27 01:22:56,678 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 67 transitions. Word has length 53 [2020-10-27 01:22:56,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:22:56,679 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 67 transitions. [2020-10-27 01:22:56,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 01:22:56,679 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2020-10-27 01:22:56,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-27 01:22:56,680 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:22:56,681 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:22:56,681 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 01:22:56,681 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:22:56,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:22:56,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1737511558, now seen corresponding path program 2 times [2020-10-27 01:22:56,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:22:56,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1356561042] [2020-10-27 01:22:56,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:22:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:56,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:56,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:56,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:56,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:00,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:00,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 01:23:00,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 01:23:00,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3730 [2020-10-27 01:23:00,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:00,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:23:00,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:23:00,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 01:23:00,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:00,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:23:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:00,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:00,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:00,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:23:00,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:00,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:23:00,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:00,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:23:00,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:00,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:23:00,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:00,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:23:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:00,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:00,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:00,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:00,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 01:23:00,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:23:00,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 01:23:00,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:00,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:23:00,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:00,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 01:23:00,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:00,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:23:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:00,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:00,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:00,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:23:00,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:00,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 01:23:00,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:00,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:23:00,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:00,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:23:00,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:00,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 01:23:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:00,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:00,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:00,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:23:00,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:00,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 01:23:00,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:00,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:23:00,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:00,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:23:00,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:00,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 01:23:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:00,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:00,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:00,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:23:00,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:00,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 01:23:00,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:00,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:23:00,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 01:23:00,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:23:00,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:00,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 01:23:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:00,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:00,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:00,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:23:00,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:00,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:23:00,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:00,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:23:00,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 01:23:00,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:23:00,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:00,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 01:23:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:00,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:00,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:00,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:23:00,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:00,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:23:00,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:00,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:23:00,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 01:23:00,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:23:00,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:00,770 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-27 01:23:00,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1356561042] [2020-10-27 01:23:00,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:23:00,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 01:23:00,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504453756] [2020-10-27 01:23:00,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 01:23:00,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:23:00,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 01:23:00,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-27 01:23:00,773 INFO L87 Difference]: Start difference. First operand 58 states and 67 transitions. Second operand 11 states. [2020-10-27 01:23:01,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:23:01,399 INFO L93 Difference]: Finished difference Result 97 states and 114 transitions. [2020-10-27 01:23:01,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 01:23:01,400 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 61 [2020-10-27 01:23:01,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:23:01,402 INFO L225 Difference]: With dead ends: 97 [2020-10-27 01:23:01,402 INFO L226 Difference]: Without dead ends: 66 [2020-10-27 01:23:01,403 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2020-10-27 01:23:01,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-27 01:23:01,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 62. [2020-10-27 01:23:01,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-27 01:23:01,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 72 transitions. [2020-10-27 01:23:01,415 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 72 transitions. Word has length 61 [2020-10-27 01:23:01,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:23:01,415 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 72 transitions. [2020-10-27 01:23:01,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 01:23:01,415 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 72 transitions. [2020-10-27 01:23:01,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-27 01:23:01,417 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:23:01,417 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:23:01,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 01:23:01,417 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:23:01,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:23:01,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1645882766, now seen corresponding path program 1 times [2020-10-27 01:23:01,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:23:01,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1902058157] [2020-10-27 01:23:01,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:23:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:01,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:03,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:03,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:03,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:04,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:04,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:06,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:06,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-27 01:23:06,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 01:23:06,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 01:23:06,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:06,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-27 01:23:06,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:23:06,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-27 01:23:06,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:06,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:23:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:06,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:06,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:06,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:23:06,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:06,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:23:06,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:06,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:23:06,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:06,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:23:06,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:06,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:23:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:06,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:07,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:07,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:07,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 01:23:07,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:23:07,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 635 [2020-10-27 01:23:07,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:07,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 01:23:07,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:07,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 01:23:07,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:08,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:23:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:08,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:08,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:08,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:23:08,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:08,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 01:23:08,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:08,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:23:08,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:08,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:23:08,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:08,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 01:23:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:08,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:08,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:08,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:23:08,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:08,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 01:23:08,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:08,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 01:23:08,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 01:23:08,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 01:23:08,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:08,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 01:23:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:08,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:08,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:08,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:23:08,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:08,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-27 01:23:08,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:08,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 01:23:08,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 01:23:08,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 01:23:08,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:08,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 01:23:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:08,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:08,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:08,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:23:08,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:08,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 01:23:08,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:08,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 01:23:08,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 01:23:08,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 01:23:08,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:09,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 01:23:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:09,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:09,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:09,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:23:09,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:09,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 01:23:09,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:09,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 01:23:09,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:09,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 01:23:09,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:09,363 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-27 01:23:09,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1902058157] [2020-10-27 01:23:09,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:23:09,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2020-10-27 01:23:09,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365995731] [2020-10-27 01:23:09,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-10-27 01:23:09,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:23:09,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-10-27 01:23:09,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1181, Unknown=0, NotChecked=0, Total=1260 [2020-10-27 01:23:09,370 INFO L87 Difference]: Start difference. First operand 62 states and 72 transitions. Second operand 36 states. [2020-10-27 01:23:14,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:23:14,042 INFO L93 Difference]: Finished difference Result 109 states and 143 transitions. [2020-10-27 01:23:14,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-27 01:23:14,043 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 62 [2020-10-27 01:23:14,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:23:14,045 INFO L225 Difference]: With dead ends: 109 [2020-10-27 01:23:14,045 INFO L226 Difference]: Without dead ends: 105 [2020-10-27 01:23:14,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 577 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=282, Invalid=3624, Unknown=0, NotChecked=0, Total=3906 [2020-10-27 01:23:14,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-10-27 01:23:14,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 96. [2020-10-27 01:23:14,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-27 01:23:14,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2020-10-27 01:23:14,072 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 62 [2020-10-27 01:23:14,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:23:14,073 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2020-10-27 01:23:14,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-10-27 01:23:14,073 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2020-10-27 01:23:14,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-27 01:23:14,079 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:23:14,079 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:23:14,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 01:23:14,080 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:23:14,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:23:14,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1215885072, now seen corresponding path program 2 times [2020-10-27 01:23:14,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:23:14,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1759112516] [2020-10-27 01:23:14,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:23:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:14,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:14,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:14,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:14,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:17,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:19,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:19,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-27 01:23:19,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 01:23:19,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 01:23:19,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 01:23:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:23:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 01:23:19,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:19,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:23:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:19,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:19,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:19,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:23:19,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:19,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:23:19,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:19,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:23:19,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:19,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:23:19,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:19,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:23:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:19,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:19,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:19,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:19,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 01:23:19,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:23:19,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-27 01:23:19,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:19,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:23:19,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:19,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 01:23:19,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:19,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:23:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:19,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:19,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:19,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:23:19,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:19,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 01:23:19,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:19,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:23:19,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:19,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:23:19,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:19,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 01:23:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:19,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:19,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:19,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:23:19,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:19,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 01:23:19,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:19,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:23:19,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:19,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:23:19,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:19,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 01:23:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:19,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:19,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:19,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:23:19,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:19,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 01:23:19,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:19,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:23:19,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:19,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 01:23:19,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:19,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 01:23:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:19,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:19,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:19,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:23:19,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:19,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:23:19,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:19,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:23:19,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:19,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:23:19,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:19,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 01:23:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:19,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:19,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:19,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 01:23:19,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:19,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 01:23:19,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:19,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:23:19,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 01:23:19,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 01:23:19,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:19,643 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-27 01:23:19,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1759112516] [2020-10-27 01:23:19,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:23:19,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 01:23:19,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144794559] [2020-10-27 01:23:19,645 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 01:23:19,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:23:19,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 01:23:19,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-10-27 01:23:19,650 INFO L87 Difference]: Start difference. First operand 96 states and 125 transitions. Second operand 13 states. [2020-10-27 01:23:20,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:23:20,246 INFO L93 Difference]: Finished difference Result 151 states and 192 transitions. [2020-10-27 01:23:20,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 01:23:20,246 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 63 [2020-10-27 01:23:20,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:23:20,249 INFO L225 Difference]: With dead ends: 151 [2020-10-27 01:23:20,249 INFO L226 Difference]: Without dead ends: 81 [2020-10-27 01:23:20,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=413, Unknown=0, NotChecked=0, Total=506 [2020-10-27 01:23:20,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-27 01:23:20,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-10-27 01:23:20,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-27 01:23:20,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 99 transitions. [2020-10-27 01:23:20,266 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 99 transitions. Word has length 63 [2020-10-27 01:23:20,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:23:20,266 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 99 transitions. [2020-10-27 01:23:20,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 01:23:20,267 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 99 transitions. [2020-10-27 01:23:20,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-27 01:23:20,268 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:23:20,268 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:23:20,269 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 01:23:20,269 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:23:20,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:23:20,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1324933606, now seen corresponding path program 3 times [2020-10-27 01:23:20,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:23:20,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1444177574] [2020-10-27 01:23:20,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:23:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:20,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:20,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:20,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:20,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:20,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:24,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:25,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:25,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-27 01:23:25,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 01:23:25,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 01:23:25,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:25,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 01:23:25,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:23:25,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-27 01:23:25,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:25,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:23:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:25,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:25,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:25,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:23:25,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:25,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:23:25,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:25,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:23:25,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:25,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:23:25,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:25,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:23:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:25,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:25,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:25,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:25,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 01:23:25,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:23:25,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-27 01:23:25,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:25,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:23:25,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:25,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 01:23:25,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:25,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:23:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:25,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:25,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:25,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:23:25,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:25,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:23:25,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:25,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:23:25,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:25,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:23:25,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:25,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 01:23:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:25,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:25,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:25,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:23:25,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:25,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:23:25,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:25,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:23:25,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:25,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:23:25,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:25,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 01:23:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:25,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:25,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:25,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:25,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:23:25,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:23:25,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 01:23:25,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:25,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:23:25,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:25,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 01:23:25,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:25,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 01:23:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:25,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:25,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:25,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:23:25,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:25,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 01:23:25,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:25,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:23:25,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 01:23:25,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 01:23:25,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:25,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 01:23:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:25,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:25,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:25,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:23:25,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:25,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:23:25,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:25,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:23:25,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 01:23:25,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:23:25,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:25,648 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 01:23:25,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1444177574] [2020-10-27 01:23:25,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:23:25,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 01:23:25,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924360891] [2020-10-27 01:23:25,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 01:23:25,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:23:25,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 01:23:25,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 01:23:25,655 INFO L87 Difference]: Start difference. First operand 81 states and 99 transitions. Second operand 13 states. [2020-10-27 01:23:26,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:23:26,234 INFO L93 Difference]: Finished difference Result 125 states and 150 transitions. [2020-10-27 01:23:26,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 01:23:26,235 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 63 [2020-10-27 01:23:26,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:23:26,236 INFO L225 Difference]: With dead ends: 125 [2020-10-27 01:23:26,237 INFO L226 Difference]: Without dead ends: 88 [2020-10-27 01:23:26,238 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2020-10-27 01:23:26,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-27 01:23:26,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 81. [2020-10-27 01:23:26,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-27 01:23:26,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 95 transitions. [2020-10-27 01:23:26,275 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 95 transitions. Word has length 63 [2020-10-27 01:23:26,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:23:26,275 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 95 transitions. [2020-10-27 01:23:26,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 01:23:26,275 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 95 transitions. [2020-10-27 01:23:26,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-27 01:23:26,279 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:23:26,280 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:23:26,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 01:23:26,280 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:23:26,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:23:26,281 INFO L82 PathProgramCache]: Analyzing trace with hash 843075590, now seen corresponding path program 4 times [2020-10-27 01:23:26,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:23:26,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1915557189] [2020-10-27 01:23:26,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:23:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:26,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:26,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:26,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:26,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:27,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:31,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:31,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-27 01:23:31,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 01:23:31,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 01:23:31,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:31,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 01:23:31,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:23:31,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 01:23:31,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:31,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:23:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:31,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:31,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:31,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:23:31,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:31,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:23:31,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:31,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:23:31,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:31,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:23:31,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:31,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:23:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:31,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:31,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:31,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:31,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 01:23:31,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:23:31,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 01:23:31,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:31,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:23:31,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:31,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 01:23:31,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:31,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:23:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:31,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:31,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:31,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:23:31,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:31,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 01:23:31,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:31,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:23:31,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:31,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:23:31,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:31,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 01:23:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:31,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:31,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:31,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:23:31,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:31,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 01:23:31,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:31,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:23:31,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:31,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:23:31,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:31,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 01:23:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:31,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:31,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:31,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 01:23:31,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:31,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 01:23:31,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:31,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:23:31,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 01:23:31,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 01:23:31,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:31,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 01:23:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:31,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:31,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:31,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:23:31,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:31,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:23:31,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:31,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:23:31,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 01:23:31,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:23:31,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:31,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 01:23:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:31,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:31,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:31,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:23:31,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:31,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:23:31,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:31,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:23:31,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 01:23:31,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:23:31,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:31,660 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-27 01:23:31,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1915557189] [2020-10-27 01:23:31,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:23:31,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 01:23:31,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160950310] [2020-10-27 01:23:31,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 01:23:31,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:23:31,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 01:23:31,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-10-27 01:23:31,663 INFO L87 Difference]: Start difference. First operand 81 states and 95 transitions. Second operand 13 states. [2020-10-27 01:23:32,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:23:32,371 INFO L93 Difference]: Finished difference Result 107 states and 119 transitions. [2020-10-27 01:23:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 01:23:32,371 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 63 [2020-10-27 01:23:32,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:23:32,373 INFO L225 Difference]: With dead ends: 107 [2020-10-27 01:23:32,373 INFO L226 Difference]: Without dead ends: 64 [2020-10-27 01:23:32,375 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=539, Unknown=0, NotChecked=0, Total=650 [2020-10-27 01:23:32,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-27 01:23:32,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-10-27 01:23:32,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-27 01:23:32,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 70 transitions. [2020-10-27 01:23:32,397 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 70 transitions. Word has length 63 [2020-10-27 01:23:32,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:23:32,397 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 70 transitions. [2020-10-27 01:23:32,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 01:23:32,398 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2020-10-27 01:23:32,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-27 01:23:32,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:23:32,402 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:23:32,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 01:23:32,402 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:23:32,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:23:32,402 INFO L82 PathProgramCache]: Analyzing trace with hash -52869059, now seen corresponding path program 1 times [2020-10-27 01:23:32,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:23:32,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [239414424] [2020-10-27 01:23:32,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:23:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:32,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:32,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:32,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:32,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:33,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:33,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:33,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:34,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:34,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:35,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:35,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:35,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:37,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:37,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:37,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:37,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:37,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-27 01:23:37,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 01:23:37,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5264 [2020-10-27 01:23:37,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:37,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 01:23:37,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:23:37,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 01:23:37,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:37,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:23:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:37,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:37,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:37,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:23:37,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:37,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:23:37,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:37,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:23:37,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:37,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:23:37,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:37,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:23:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:37,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:37,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:38,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:38,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 01:23:38,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:23:38,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-27 01:23:38,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:38,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 01:23:38,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:38,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 01:23:38,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:38,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:23:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:38,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:38,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:38,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:23:38,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:38,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 01:23:38,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:38,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:23:38,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:38,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:23:38,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:38,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 01:23:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:38,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:38,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:38,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:23:38,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:38,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 01:23:38,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:38,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:23:38,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:38,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:23:38,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:38,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 01:23:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:38,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:38,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:38,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:23:38,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:38,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:23:38,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:38,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:23:38,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:38,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 01:23:38,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:38,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 01:23:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:38,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:38,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:38,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:23:38,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:38,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 01:23:38,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:38,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:23:38,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:38,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 01:23:38,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:38,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 01:23:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:38,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:38,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:38,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:23:38,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:38,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:23:38,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:38,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:23:38,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:38,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 01:23:38,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:38,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 01:23:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:38,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:38,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:38,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:23:38,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:38,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:23:38,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:38,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 01:23:38,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:38,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 01:23:38,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:38,409 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-27 01:23:38,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [239414424] [2020-10-27 01:23:38,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:23:38,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-27 01:23:38,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958028127] [2020-10-27 01:23:38,411 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-27 01:23:38,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:23:38,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-27 01:23:38,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=417, Unknown=0, NotChecked=0, Total=462 [2020-10-27 01:23:38,412 INFO L87 Difference]: Start difference. First operand 64 states and 70 transitions. Second operand 22 states. [2020-10-27 01:23:40,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:23:40,232 INFO L93 Difference]: Finished difference Result 79 states and 87 transitions. [2020-10-27 01:23:40,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 01:23:40,232 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 72 [2020-10-27 01:23:40,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:23:40,234 INFO L225 Difference]: With dead ends: 79 [2020-10-27 01:23:40,234 INFO L226 Difference]: Without dead ends: 75 [2020-10-27 01:23:40,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=216, Invalid=1590, Unknown=0, NotChecked=0, Total=1806 [2020-10-27 01:23:40,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-27 01:23:40,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 69. [2020-10-27 01:23:40,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-27 01:23:40,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 77 transitions. [2020-10-27 01:23:40,248 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 77 transitions. Word has length 72 [2020-10-27 01:23:40,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:23:40,249 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 77 transitions. [2020-10-27 01:23:40,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-27 01:23:40,249 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2020-10-27 01:23:40,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-27 01:23:40,250 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:23:40,251 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:23:40,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 01:23:40,251 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:23:40,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:23:40,252 INFO L82 PathProgramCache]: Analyzing trace with hash 521681992, now seen corresponding path program 2 times [2020-10-27 01:23:40,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:23:40,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1462805916] [2020-10-27 01:23:40,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:23:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:40,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:40,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:40,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:40,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:40,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:41,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:42,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:42,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:43,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:43,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:44,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:44,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:45,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:45,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-27 01:23:45,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 01:23:45,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 01:23:45,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:45,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-27 01:23:45,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:23:45,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-27 01:23:45,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:45,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:23:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:45,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:45,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:45,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:23:45,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:45,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:23:45,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:45,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:23:45,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:45,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:23:45,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:45,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:23:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:45,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:45,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:46,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:46,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 01:23:46,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:23:46,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 911 [2020-10-27 01:23:46,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:46,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 01:23:46,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:46,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 01:23:46,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 01:23:46,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:23:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:46,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:46,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:46,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:23:46,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:46,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 01:23:46,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:46,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:23:46,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:46,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:23:46,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:46,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 01:23:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:46,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:46,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:46,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:23:46,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:46,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 01:23:46,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:46,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 01:23:46,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 01:23:46,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 01:23:46,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:47,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 01:23:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:47,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:47,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:47,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:23:47,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:47,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 01:23:47,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:47,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 01:23:47,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 01:23:47,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 01:23:47,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:47,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 01:23:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:47,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:47,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:47,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:23:47,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:47,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 01:23:47,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:47,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 01:23:47,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 01:23:47,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 01:23:47,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:47,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 01:23:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:47,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:47,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:47,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:47,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:23:47,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:23:47,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 01:23:47,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:47,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 01:23:47,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:47,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 01:23:47,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:47,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 01:23:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:47,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:47,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:47,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:47,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:23:47,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:23:47,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 01:23:47,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:47,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:23:47,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:23:47,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:23:47,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:23:47,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 01:23:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:23:47,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:23:47,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:23:47,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:23:47,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:23:47,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:23:47,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:23:47,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:23:47,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 01:23:47,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:23:47,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:23:47,747 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 11 proven. 29 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-27 01:23:47,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1462805916] [2020-10-27 01:23:47,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:23:47,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-27 01:23:47,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924928960] [2020-10-27 01:23:47,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-27 01:23:47,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:23:47,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-27 01:23:47,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1104, Unknown=0, NotChecked=0, Total=1190 [2020-10-27 01:23:47,750 INFO L87 Difference]: Start difference. First operand 69 states and 77 transitions. Second operand 35 states. [2020-10-27 01:23:50,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:23:50,361 INFO L93 Difference]: Finished difference Result 102 states and 113 transitions. [2020-10-27 01:23:50,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 01:23:50,364 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 82 [2020-10-27 01:23:50,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:23:50,364 INFO L225 Difference]: With dead ends: 102 [2020-10-27 01:23:50,365 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 01:23:50,369 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 407 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=242, Invalid=2620, Unknown=0, NotChecked=0, Total=2862 [2020-10-27 01:23:50,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 01:23:50,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 01:23:50,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 01:23:50,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 01:23:50,370 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2020-10-27 01:23:50,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:23:50,370 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 01:23:50,370 INFO L482 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-27 01:23:50,370 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 01:23:50,370 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 01:23:50,370 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 01:23:50,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 01:23:50,908 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-10-27 01:23:51,057 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2020-10-27 01:23:51,265 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 45 [2020-10-27 01:23:51,473 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-10-27 01:23:51,892 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 47 [2020-10-27 01:23:51,995 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 29 [2020-10-27 01:23:52,015 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2020-10-27 01:23:52,016 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 12) the Hoare annotation is: true [2020-10-27 01:23:52,016 INFO L274 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed. [2020-10-27 01:23:52,016 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-10-27 01:23:52,016 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-27 01:23:52,016 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 01:23:52,016 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 01:23:52,016 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 01:23:52,016 INFO L277 CegarLoopResult]: At program point myexitENTRY(lines 572 574) the Hoare annotation is: true [2020-10-27 01:23:52,016 INFO L277 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: true [2020-10-27 01:23:52,017 INFO L274 CegarLoopResult]: For program point myexitEXIT(lines 572 574) no Hoare annotation was computed. [2020-10-27 01:23:52,017 INFO L274 CegarLoopResult]: For program point L602(lines 602 610) no Hoare annotation was computed. [2020-10-27 01:23:52,017 INFO L277 CegarLoopResult]: At program point L604-2(lines 604 608) the Hoare annotation is: true [2020-10-27 01:23:52,017 INFO L274 CegarLoopResult]: For program point L604-3(lines 604 608) no Hoare annotation was computed. [2020-10-27 01:23:52,017 INFO L274 CegarLoopResult]: For program point L602-2(lines 601 611) no Hoare annotation was computed. [2020-10-27 01:23:52,017 INFO L270 CegarLoopResult]: At program point dll_circular_destroyENTRY(lines 601 611) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-10-27 01:23:52,017 INFO L274 CegarLoopResult]: For program point dll_circular_destroyEXIT(lines 601 611) no Hoare annotation was computed. [2020-10-27 01:23:52,017 INFO L274 CegarLoopResult]: For program point __bswap_32ENTRY(lines 74 78) no Hoare annotation was computed. [2020-10-27 01:23:52,017 INFO L274 CegarLoopResult]: For program point __bswap_32FINAL(lines 74 78) no Hoare annotation was computed. [2020-10-27 01:23:52,017 INFO L274 CegarLoopResult]: For program point __bswap_32EXIT(lines 74 78) no Hoare annotation was computed. [2020-10-27 01:23:52,018 INFO L274 CegarLoopResult]: For program point __bswap_64ENTRY(lines 79 83) no Hoare annotation was computed. [2020-10-27 01:23:52,018 INFO L274 CegarLoopResult]: For program point __bswap_64FINAL(lines 79 83) no Hoare annotation was computed. [2020-10-27 01:23:52,018 INFO L274 CegarLoopResult]: For program point __bswap_64EXIT(lines 79 83) no Hoare annotation was computed. [2020-10-27 01:23:52,018 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 01:23:52,018 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-27 01:23:52,018 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 01:23:52,018 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 01:23:52,018 INFO L270 CegarLoopResult]: At program point L638(lines 626 645) the Hoare annotation is: false [2020-10-27 01:23:52,018 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 626 645) no Hoare annotation was computed. [2020-10-27 01:23:52,018 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 626 645) no Hoare annotation was computed. [2020-10-27 01:23:52,018 INFO L274 CegarLoopResult]: For program point L643(line 643) no Hoare annotation was computed. [2020-10-27 01:23:52,018 INFO L274 CegarLoopResult]: For program point L641(line 641) no Hoare annotation was computed. [2020-10-27 01:23:52,018 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 626 645) 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$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 01:23:52,019 INFO L270 CegarLoopResult]: At program point L637(line 637) the Hoare annotation is: (let ((.cse8 (+ main_~len~0 1)) (.cse6 (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))) (.cse7 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset))) (let ((.cse0 (= main_~s~0.offset .cse7)) (.cse1 (= .cse8 (select .cse6 8))) (.cse2 (<= main_~new_data~0 .cse8)) (.cse4 (+ main_~i~0 main_~len~0)) (.cse3 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 8))) (.cse5 (= main_~s~0.offset 0))) (or (and .cse0 (<= main_~len~0 2) .cse1 (<= 0 main_~i~0) .cse2 (= .cse3 .cse4) .cse5 (= (* main_~len~0 2) (+ .cse3 2)) (= .cse3 main_~expected~0)) (and .cse0 .cse1 (<= 2 main_~len~0) (= (select .cse6 (+ .cse7 8)) main_~expected~0) .cse2 (= main_~len~0 (+ main_~i~0 1)) (= .cse4 (+ .cse3 1)) .cse5 (<= main_~i~0 1))))) [2020-10-27 01:23:52,019 INFO L274 CegarLoopResult]: For program point L637-1(line 637) no Hoare annotation was computed. [2020-10-27 01:23:52,019 INFO L274 CegarLoopResult]: For program point L637-2(lines 637 639) no Hoare annotation was computed. [2020-10-27 01:23:52,019 INFO L270 CegarLoopResult]: At program point L633(line 633) the Hoare annotation is: (let ((.cse5 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))) (let ((.cse0 (= main_~s~0.offset (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset))) (.cse4 (+ main_~len~0 1)) (.cse1 (<= 2 main_~len~0)) (.cse2 (not (= .cse5 main_~s~0.base))) (.cse3 (= main_~s~0.offset 0))) (or (and .cse0 .cse1 (= main_~len~0 (+ main_~i~0 1)) .cse2 .cse3 (<= main_~i~0 1) (= .cse4 main_~new_data~0)) (let ((.cse7 (+ main_~new_data~0 2)) (.cse6 (* 2 main_~len~0))) (and .cse0 (<= main_~i~0 0) (<= main_~len~0 2) (= .cse4 (select (select |#memory_int| .cse5) 8)) .cse1 (<= .cse6 .cse7) .cse2 (<= .cse7 (+ main_~i~0 .cse6)) .cse3))))) [2020-10-27 01:23:52,019 INFO L274 CegarLoopResult]: For program point L635-2(lines 635 640) no Hoare annotation was computed. [2020-10-27 01:23:52,019 INFO L274 CegarLoopResult]: For program point L633-1(lines 631 634) no Hoare annotation was computed. [2020-10-27 01:23:52,020 INFO L270 CegarLoopResult]: At program point L635-3(lines 635 640) the Hoare annotation is: (let ((.cse4 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 8))) (.cse10 (+ main_~len~0 1))) (let ((.cse5 (+ main_~i~0 main_~len~0)) (.cse0 (= main_~s~0.offset (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset))) (.cse1 (<= main_~len~0 2)) (.cse2 (= .cse10 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)) 8))) (.cse8 (<= 2 main_~len~0)) (.cse9 (+ main_~i~0 1)) (.cse3 (<= main_~new_data~0 .cse10)) (.cse6 (= main_~s~0.offset 0)) (.cse7 (= (* main_~len~0 2) (+ .cse4 2)))) (or (and .cse0 .cse1 .cse2 (<= 0 main_~i~0) .cse3 (= .cse4 .cse5) .cse6 .cse7) (and .cse0 .cse2 .cse8 .cse3 (= main_~len~0 .cse9) (= .cse5 (+ .cse4 1)) .cse6 (<= main_~i~0 1)) (and .cse0 .cse1 .cse2 .cse8 (<= 0 .cse9) (<= .cse9 0) .cse3 .cse6 .cse7)))) [2020-10-27 01:23:52,020 INFO L270 CegarLoopResult]: At program point L635-4(lines 635 640) the Hoare annotation is: (<= 2 main_~len~0) [2020-10-27 01:23:52,020 INFO L270 CegarLoopResult]: At program point L629(line 629) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= main_~len~0 2) (= |old(#length)| |#length|) (<= 2 main_~len~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 01:23:52,020 INFO L270 CegarLoopResult]: At program point L631-2(lines 631 634) the Hoare annotation is: (let ((.cse7 (+ main_~len~0 1)) (.cse8 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset)) (.cse10 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))) (let ((.cse4 (not (= .cse10 main_~s~0.base))) (.cse6 (<= main_~i~0 1)) (.cse0 (= main_~s~0.offset .cse8)) (.cse1 (<= main_~len~0 2)) (.cse2 (= .cse7 (select (select |#memory_int| .cse10) 8))) (.cse3 (<= 2 main_~len~0)) (.cse9 (+ main_~i~0 1)) (.cse5 (= main_~s~0.offset 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 0 main_~i~0) .cse4 .cse5 .cse6 (= .cse7 main_~new_data~0)) (and (<= .cse8 0) (<= 1 main_~i~0) (<= main_~s~0.offset .cse8) (= main_~len~0 .cse9) .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 (<= 0 .cse9) (<= .cse9 0) (<= main_~new_data~0 .cse7) .cse5 (= (* main_~len~0 2) (+ (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 8)) 2)))))) [2020-10-27 01:23:52,020 INFO L274 CegarLoopResult]: For program point L629-1(line 629) no Hoare annotation was computed. [2020-10-27 01:23:52,020 INFO L274 CegarLoopResult]: For program point L631-3(lines 631 634) no Hoare annotation was computed. [2020-10-27 01:23:52,020 INFO L274 CegarLoopResult]: For program point dll_circular_createEXIT(lines 585 600) no Hoare annotation was computed. [2020-10-27 01:23:52,020 INFO L274 CegarLoopResult]: For program point dll_circular_createFINAL(lines 585 600) no Hoare annotation was computed. [2020-10-27 01:23:52,020 INFO L274 CegarLoopResult]: For program point L591(lines 591 593) no Hoare annotation was computed. [2020-10-27 01:23:52,020 INFO L270 CegarLoopResult]: At program point L589(line 589) the Hoare annotation is: (or (not (<= 2 |dll_circular_create_#in~len|)) (not (<= |dll_circular_create_#in~len| 2)) (and (= dll_circular_create_~len |dll_circular_create_#in~len|) (= dll_circular_create_~head~0.offset 0) (= (select |#valid| dll_circular_create_~last~0.base) 1) (= dll_circular_create_~head~0.base dll_circular_create_~last~0.base))) [2020-10-27 01:23:52,020 INFO L274 CegarLoopResult]: For program point L591-2(lines 591 593) no Hoare annotation was computed. [2020-10-27 01:23:52,020 INFO L274 CegarLoopResult]: For program point L589-1(line 589) no Hoare annotation was computed. [2020-10-27 01:23:52,021 INFO L270 CegarLoopResult]: At program point L586(line 586) the Hoare annotation is: (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= dll_circular_create_~len |dll_circular_create_#in~len|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (<= 2 |dll_circular_create_#in~len|)) (not (<= |dll_circular_create_#in~len| 2))) [2020-10-27 01:23:52,021 INFO L270 CegarLoopResult]: At program point L588-2(lines 588 596) the Hoare annotation is: (let ((.cse1 (= dll_circular_create_~head~0.offset 0)) (.cse0 (= dll_circular_create_~head~0.base dll_circular_create_~last~0.base))) (or (not (<= 2 |dll_circular_create_#in~len|)) (and (not (= dll_circular_create_~new_head~0.base dll_circular_create_~last~0.base)) (= (select (select |#memory_$Pointer$.base| dll_circular_create_~new_head~0.base) dll_circular_create_~new_head~0.offset) dll_circular_create_~last~0.base) (not .cse0) (= (+ dll_circular_create_~len 1) |dll_circular_create_#in~len|) (= dll_circular_create_~head~0.offset (select (select |#memory_$Pointer$.offset| dll_circular_create_~head~0.base) dll_circular_create_~head~0.offset)) (= dll_circular_create_~new_head~0.offset 0) .cse1 (not (= dll_circular_create_~head~0.base (select (select |#memory_$Pointer$.base| dll_circular_create_~head~0.base) dll_circular_create_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| dll_circular_create_~new_head~0.base) dll_circular_create_~new_head~0.offset) dll_circular_create_~new_head~0.offset)) (not (<= |dll_circular_create_#in~len| 2)) (and (= dll_circular_create_~len |dll_circular_create_#in~len|) .cse1 (= (select |#valid| dll_circular_create_~last~0.base) 1) .cse0))) [2020-10-27 01:23:52,021 INFO L274 CegarLoopResult]: For program point L586-1(line 586) no Hoare annotation was computed. [2020-10-27 01:23:52,021 INFO L274 CegarLoopResult]: For program point L588-3(lines 588 596) no Hoare annotation was computed. [2020-10-27 01:23:52,021 INFO L270 CegarLoopResult]: At program point dll_circular_createENTRY(lines 585 600) the Hoare annotation is: (or (not (<= 2 |dll_circular_create_#in~len|)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (<= |dll_circular_create_#in~len| 2))) [2020-10-27 01:23:52,021 INFO L274 CegarLoopResult]: For program point dll_circular_update_atFINAL(lines 619 625) no Hoare annotation was computed. [2020-10-27 01:23:52,021 INFO L270 CegarLoopResult]: At program point L620-2(lines 620 623) the Hoare annotation is: (let ((.cse9 (<= |dll_circular_update_at_#in~index| 1)) (.cse1 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (.cse2 (= |#memory_int| |old(#memory_int)|)) (.cse3 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (.cse8 (= |dll_circular_update_at_#in~data| dll_circular_update_at_~data))) (let ((.cse0 (and .cse9 .cse1 (= |dll_circular_update_at_#in~head.offset| dll_circular_update_at_~head.offset) .cse2 .cse3 (= dll_circular_update_at_~index |dll_circular_update_at_#in~index|) (= dll_circular_update_at_~head.base |dll_circular_update_at_#in~head.base|) .cse8)) (.cse5 (not .cse9)) (.cse4 (+ dll_circular_update_at_~index 1))) (and (or .cse0 (and .cse1 (<= 1 |dll_circular_update_at_#in~index|) .cse2 .cse3 (<= |dll_circular_update_at_#in~index| .cse4)) .cse5) (or .cse0 .cse5 (let ((.cse6 (select (select |#memory_$Pointer$.base| |dll_circular_update_at_#in~head.base|) |dll_circular_update_at_#in~head.offset|)) (.cse7 (= dll_circular_update_at_~head.offset 0))) (and (<= .cse4 |dll_circular_update_at_#in~index|) (= dll_circular_update_at_~head.base .cse6) (or (= dll_circular_update_at_~head.offset (select (select |#memory_$Pointer$.offset| |dll_circular_update_at_#in~head.base|) |dll_circular_update_at_#in~head.offset|)) .cse7) (or (= |dll_circular_update_at_#in~head.base| .cse6) .cse8) (or .cse8 (not .cse7)))))))) [2020-10-27 01:23:52,021 INFO L274 CegarLoopResult]: For program point L620-3(lines 620 623) no Hoare annotation was computed. [2020-10-27 01:23:52,021 INFO L274 CegarLoopResult]: For program point dll_circular_update_atEXIT(lines 619 625) no Hoare annotation was computed. [2020-10-27 01:23:52,022 INFO L270 CegarLoopResult]: At program point dll_circular_update_atENTRY(lines 619 625) the Hoare annotation is: (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (<= |dll_circular_update_at_#in~index| 1))) [2020-10-27 01:23:52,022 INFO L274 CegarLoopResult]: For program point L577(lines 577 579) no Hoare annotation was computed. [2020-10-27 01:23:52,022 INFO L274 CegarLoopResult]: For program point L577-1(lines 577 579) no Hoare annotation was computed. [2020-10-27 01:23:52,022 INFO L270 CegarLoopResult]: At program point node_createENTRY(lines 575 584) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 01:23:52,022 INFO L274 CegarLoopResult]: For program point node_createFINAL(lines 575 584) no Hoare annotation was computed. [2020-10-27 01:23:52,022 INFO L274 CegarLoopResult]: For program point node_createEXIT(lines 575 584) no Hoare annotation was computed. [2020-10-27 01:23:52,022 INFO L277 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: true [2020-10-27 01:23:52,022 INFO L274 CegarLoopResult]: For program point dll_circular_get_data_atFINAL(lines 612 618) no Hoare annotation was computed. [2020-10-27 01:23:52,022 INFO L274 CegarLoopResult]: For program point dll_circular_get_data_atEXIT(lines 612 618) no Hoare annotation was computed. [2020-10-27 01:23:52,022 INFO L277 CegarLoopResult]: At program point dll_circular_get_data_atENTRY(lines 612 618) the Hoare annotation is: true [2020-10-27 01:23:52,022 INFO L270 CegarLoopResult]: At program point L613-2(lines 613 616) the Hoare annotation is: (let ((.cse0 (+ dll_circular_get_data_at_~index 1))) (or (and (= dll_circular_get_data_at_~head.offset |dll_circular_get_data_at_#in~head.offset|) (= |dll_circular_get_data_at_#in~index| dll_circular_get_data_at_~index) (= |dll_circular_get_data_at_#in~head.base| dll_circular_get_data_at_~head.base)) (and (<= .cse0 |dll_circular_get_data_at_#in~index|) (<= 2 |dll_circular_get_data_at_#in~index|)) (and (= (select (select |#memory_$Pointer$.base| |dll_circular_get_data_at_#in~head.base|) |dll_circular_get_data_at_#in~head.offset|) dll_circular_get_data_at_~head.base) (= |dll_circular_get_data_at_#in~index| .cse0) (<= 0 dll_circular_get_data_at_~index) (= dll_circular_get_data_at_~head.offset (select (select |#memory_$Pointer$.offset| |dll_circular_get_data_at_#in~head.base|) |dll_circular_get_data_at_#in~head.offset|))))) [2020-10-27 01:23:52,023 INFO L274 CegarLoopResult]: For program point L613-3(lines 613 616) no Hoare annotation was computed. [2020-10-27 01:23:52,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,044 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,047 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,048 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,049 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,055 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,061 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,067 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,067 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,067 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,067 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,068 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,068 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,068 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,069 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,069 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,072 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,072 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,073 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,073 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,073 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,073 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,073 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,075 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,075 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,075 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,075 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,075 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,076 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,076 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,076 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,076 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,076 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,076 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,077 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,077 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,077 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,077 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,077 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,077 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,077 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,078 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,078 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,078 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,079 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,080 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,080 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,081 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,081 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,081 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,081 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,083 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,083 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,083 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,083 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,084 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,084 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,084 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,084 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,084 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,084 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,087 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,087 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,089 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,089 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,090 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,090 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,091 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,091 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,091 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,091 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,092 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,092 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,092 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,092 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,093 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,093 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,093 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,093 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,093 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,093 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,094 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,094 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,094 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,094 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,094 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,095 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,095 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,095 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,096 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,096 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,096 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,096 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,096 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,097 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,097 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,097 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,097 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,097 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,097 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,098 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,098 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,098 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,098 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,098 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,100 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,100 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,100 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,100 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,103 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,103 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,103 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,103 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 01:23:52 BoogieIcfgContainer [2020-10-27 01:23:52,105 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 01:23:52,107 INFO L168 Benchmark]: Toolchain (without parser) took 72035.81 ms. Allocated memory was 151.0 MB in the beginning and 795.9 MB in the end (delta: 644.9 MB). Free memory was 124.6 MB in the beginning and 374.1 MB in the end (delta: -249.5 MB). Peak memory consumption was 395.6 MB. Max. memory is 8.0 GB. [2020-10-27 01:23:52,108 INFO L168 Benchmark]: CDTParser took 0.76 ms. Allocated memory is still 125.8 MB. Free memory was 100.0 MB in the beginning and 99.9 MB in the end (delta: 73.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 01:23:52,108 INFO L168 Benchmark]: CACSL2BoogieTranslator took 604.72 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 100.9 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-10-27 01:23:52,109 INFO L168 Benchmark]: Boogie Preprocessor took 118.94 ms. Allocated memory is still 151.0 MB. Free memory was 100.9 MB in the beginning and 133.5 MB in the end (delta: -32.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 8.0 GB. [2020-10-27 01:23:52,110 INFO L168 Benchmark]: RCFGBuilder took 777.06 ms. Allocated memory is still 151.0 MB. Free memory was 133.5 MB in the beginning and 85.8 MB in the end (delta: 47.7 MB). Peak memory consumption was 46.1 MB. Max. memory is 8.0 GB. [2020-10-27 01:23:52,111 INFO L168 Benchmark]: TraceAbstraction took 70506.03 ms. Allocated memory was 151.0 MB in the beginning and 795.9 MB in the end (delta: 644.9 MB). Free memory was 131.4 MB in the beginning and 374.1 MB in the end (delta: -242.7 MB). Peak memory consumption was 401.6 MB. Max. memory is 8.0 GB. [2020-10-27 01:23:52,114 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 ms. Allocated memory is still 125.8 MB. Free memory was 100.0 MB in the beginning and 99.9 MB in the end (delta: 73.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 604.72 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 100.9 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 118.94 ms. Allocated memory is still 151.0 MB. Free memory was 100.9 MB in the beginning and 133.5 MB in the end (delta: -32.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 777.06 ms. Allocated memory is still 151.0 MB. Free memory was 133.5 MB in the beginning and 85.8 MB in the end (delta: 47.7 MB). Peak memory consumption was 46.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 70506.03 ms. Allocated memory was 151.0 MB in the beginning and 795.9 MB in the end (delta: 644.9 MB). Free memory was 131.4 MB in the beginning and 374.1 MB in the end (delta: -242.7 MB). Peak memory consumption was 401.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * 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_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - 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 #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_$Pointer$ - 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_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_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_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_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_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_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_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * 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: 573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 631]: Loop Invariant [2020-10-27 01:23:52,131 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,131 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,131 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,132 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,132 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,132 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,132 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,132 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,134 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,135 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,135 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,135 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,135 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,135 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,136 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,136 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((((((s == #memory_$Pointer$[s][s] && len <= 2) && len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][8]) && 2 <= len) && 0 <= i) && !(#memory_$Pointer$[s][s] == s)) && s == 0) && i <= 1) && len + 1 == new_data) || ((((((#memory_$Pointer$[s][s] <= 0 && 1 <= i) && s <= #memory_$Pointer$[s][s]) && len == i + 1) && !(#memory_$Pointer$[s][s] == s)) && s == 0) && i <= 1)) || ((((((((s == #memory_$Pointer$[s][s] && len <= 2) && len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][8]) && 2 <= len) && 0 <= i + 1) && i + 1 <= 0) && new_data <= len + 1) && s == 0) && len * 2 == unknown-#memory_int-unknown[s][s + 8] + 2) - InvariantResult [Line: 620]: Loop Invariant [2020-10-27 01:23:52,138 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,138 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,139 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,139 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,139 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,139 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,139 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,139 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,139 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,141 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,144 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,144 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,144 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,144 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,145 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,145 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,145 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,145 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,145 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,145 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,146 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,146 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,146 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,146 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,146 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((\old(index) <= 1 && #memory_$Pointer$ == \old(#memory_$Pointer$)) && head == head) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && index == \old(index)) && head == head) && \old(data) == data) || ((((#memory_$Pointer$ == \old(#memory_$Pointer$) && 1 <= \old(index)) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(index) <= index + 1)) || !(\old(index) <= 1)) && (((((((((\old(index) <= 1 && #memory_$Pointer$ == \old(#memory_$Pointer$)) && head == head) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && index == \old(index)) && head == head) && \old(data) == data) || !(\old(index) <= 1)) || ((((index + 1 <= \old(index) && head == #memory_$Pointer$[head][head]) && (head == #memory_$Pointer$[head][head] || head == 0)) && (head == #memory_$Pointer$[head][head] || \old(data) == data)) && (\old(data) == data || !(head == 0)))) - InvariantResult [Line: 613]: Loop Invariant [2020-10-27 01:23:52,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,150 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,151 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,151 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,151 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,151 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,151 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((head == head && \old(index) == index) && head == head) || (index + 1 <= \old(index) && 2 <= \old(index))) || (((#memory_$Pointer$[head][head] == head && \old(index) == index + 1) && 0 <= index) && head == #memory_$Pointer$[head][head]) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 635]: Loop Invariant [2020-10-27 01:23:52,152 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,152 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,152 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,153 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,153 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,153 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,155 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,155 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,157 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,157 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,157 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,157 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,157 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,157 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,157 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:23:52,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((((s == #memory_$Pointer$[s][s] && len <= 2) && len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][8]) && 0 <= i) && new_data <= len + 1) && unknown-#memory_int-unknown[s][s + 8] == i + len) && s == 0) && len * 2 == unknown-#memory_int-unknown[s][s + 8] + 2) || (((((((s == #memory_$Pointer$[s][s] && len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][8]) && 2 <= len) && new_data <= len + 1) && len == i + 1) && i + len == unknown-#memory_int-unknown[s][s + 8] + 1) && s == 0) && i <= 1)) || ((((((((s == #memory_$Pointer$[s][s] && len <= 2) && len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][8]) && 2 <= len) && 0 <= i + 1) && i + 1 <= 0) && new_data <= len + 1) && s == 0) && len * 2 == unknown-#memory_int-unknown[s][s + 8] + 2) - InvariantResult [Line: 588]: Loop Invariant [2020-10-27 01:23:52,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:23:52,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:23:52,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:23:52,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((!(2 <= \old(len)) || ((((((((!(new_head == last) && #memory_$Pointer$[new_head][new_head] == last) && !(head == last)) && len + 1 == \old(len)) && head == #memory_$Pointer$[head][head]) && new_head == 0) && head == 0) && !(head == #memory_$Pointer$[head][head])) && #memory_$Pointer$[new_head][new_head] == new_head)) || !(\old(len) <= 2)) || (((len == \old(len) && head == 0) && \valid[last] == 1) && head == last) - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 68.6s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 13.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 425 SDtfs, 801 SDslu, 2028 SDs, 0 SdLazy, 5974 SolverSat, 608 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 406 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 280 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1452 ImplicationChecksByTransitivity, 9.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 53 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 94 PreInvPairs, 133 NumberOfFragments, 972 HoareAnnotationTreeSize, 94 FomulaSimplifications, 1415 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 26 FomulaSimplificationsInter, 1072 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 54.4s InterpolantComputationTime, 649 NumberOfCodeBlocks, 649 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 638 ConstructedInterpolants, 0 QuantifiedInterpolants, 289602 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 118/200 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...