/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 02:07:51,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 02:07:51,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 02:07:51,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 02:07:51,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 02:07:51,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 02:07:51,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 02:07:51,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 02:07:51,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 02:07:51,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 02:07:51,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 02:07:51,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 02:07:51,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 02:07:51,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 02:07:51,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 02:07:51,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 02:07:51,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 02:07:51,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 02:07:51,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 02:07:51,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 02:07:51,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 02:07:51,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 02:07:51,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 02:07:51,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 02:07:51,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 02:07:51,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 02:07:51,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 02:07:51,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 02:07:51,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 02:07:51,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 02:07:51,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 02:07:51,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 02:07:51,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 02:07:51,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 02:07:51,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 02:07:51,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 02:07:51,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 02:07:51,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 02:07:51,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 02:07:51,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 02:07:51,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 02:07:51,227 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 02:07:51,270 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 02:07:51,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 02:07:51,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 02:07:51,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 02:07:51,273 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 02:07:51,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 02:07:51,273 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 02:07:51,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 02:07:51,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 02:07:51,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 02:07:51,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 02:07:51,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 02:07:51,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 02:07:51,276 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 02:07:51,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 02:07:51,276 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 02:07:51,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 02:07:51,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 02:07:51,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 02:07:51,277 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 02:07:51,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 02:07:51,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 02:07:51,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 02:07:51,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 02:07:51,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 02:07:51,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 02:07:51,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 02:07:51,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 02:07:51,279 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 02:07:51,279 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; [2020-09-25 02:07:51,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 02:07:51,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 02:07:51,751 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 02:07:51,753 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 02:07:51,754 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 02:07:51,755 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2020-09-25 02:07:51,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/973d493c7/fab9238e62da4ccbaf37fb9a398f99b6/FLAG471fc8812 [2020-09-25 02:07:52,483 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 02:07:52,484 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2020-09-25 02:07:52,497 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/973d493c7/fab9238e62da4ccbaf37fb9a398f99b6/FLAG471fc8812 [2020-09-25 02:07:52,758 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/973d493c7/fab9238e62da4ccbaf37fb9a398f99b6 [2020-09-25 02:07:52,776 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 02:07:52,783 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 02:07:52,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 02:07:52,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 02:07:52,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 02:07:52,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:07:52" (1/1) ... [2020-09-25 02:07:52,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@157daaf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:07:52, skipping insertion in model container [2020-09-25 02:07:52,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:07:52" (1/1) ... [2020-09-25 02:07:52,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 02:07:52,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 02:07:53,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:07:53,422 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 02:07:53,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:07:53,570 INFO L208 MainTranslator]: Completed translation [2020-09-25 02:07:53,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:07:53 WrapperNode [2020-09-25 02:07:53,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 02:07:53,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 02:07:53,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 02:07:53,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 02:07:53,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:07:53" (1/1) ... [2020-09-25 02:07:53,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:07:53" (1/1) ... [2020-09-25 02:07:53,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:07:53" (1/1) ... [2020-09-25 02:07:53,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:07:53" (1/1) ... [2020-09-25 02:07:53,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:07:53" (1/1) ... [2020-09-25 02:07:53,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:07:53" (1/1) ... [2020-09-25 02:07:53,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:07:53" (1/1) ... [2020-09-25 02:07:53,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 02:07:53,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 02:07:53,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 02:07:53,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 02:07:53,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:07:53" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 02:07:53,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 02:07:53,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 02:07:53,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-25 02:07:53,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-25 02:07:53,730 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-09-25 02:07:53,730 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-09-25 02:07:53,731 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2020-09-25 02:07:53,731 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2020-09-25 02:07:53,732 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2020-09-25 02:07:53,732 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2020-09-25 02:07:53,733 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 02:07:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 02:07:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-25 02:07:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-25 02:07:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-25 02:07:53,734 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-25 02:07:53,734 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-25 02:07:53,735 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-25 02:07:53,735 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-25 02:07:53,736 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-25 02:07:53,737 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-25 02:07:53,737 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-25 02:07:53,737 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-25 02:07:53,737 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-25 02:07:53,739 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-25 02:07:53,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-25 02:07:53,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-25 02:07:53,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-25 02:07:53,740 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-25 02:07:53,740 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-25 02:07:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-25 02:07:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-25 02:07:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-25 02:07:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-25 02:07:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-25 02:07:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-25 02:07:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-25 02:07:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-25 02:07:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-25 02:07:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-25 02:07:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-25 02:07:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-25 02:07:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-25 02:07:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-25 02:07:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-25 02:07:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-25 02:07:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-25 02:07:53,744 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-25 02:07:53,744 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-25 02:07:53,744 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-25 02:07:53,744 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-25 02:07:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-25 02:07:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-25 02:07:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-25 02:07:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-25 02:07:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-25 02:07:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-25 02:07:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-25 02:07:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-25 02:07:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-25 02:07:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-25 02:07:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-25 02:07:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-25 02:07:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-25 02:07:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 02:07:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 02:07:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-25 02:07:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 02:07:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-25 02:07:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-25 02:07:53,750 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-25 02:07:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-25 02:07:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-09-25 02:07:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 02:07:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-25 02:07:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-09-25 02:07:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-25 02:07:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-25 02:07:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-09-25 02:07:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-25 02:07:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-25 02:07:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-25 02:07:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-25 02:07:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-25 02:07:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-25 02:07:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-25 02:07:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-25 02:07:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-25 02:07:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-25 02:07:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-25 02:07:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-25 02:07:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-25 02:07:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-25 02:07:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-25 02:07:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-25 02:07:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-25 02:07:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-25 02:07:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-25 02:07:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-25 02:07:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-25 02:07:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-25 02:07:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-25 02:07:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-25 02:07:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-25 02:07:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-25 02:07:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-25 02:07:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-25 02:07:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-25 02:07:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-25 02:07:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-25 02:07:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-25 02:07:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-25 02:07:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-25 02:07:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-25 02:07:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-25 02:07:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-25 02:07:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-25 02:07:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-09-25 02:07:53,761 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-09-25 02:07:53,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 02:07:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 02:07:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 02:07:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2020-09-25 02:07:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2020-09-25 02:07:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 02:07:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 02:07:53,763 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2020-09-25 02:07:53,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 02:07:53,767 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2020-09-25 02:07:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 02:07:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 02:07:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 02:07:54,181 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-09-25 02:07:54,420 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 02:07:54,421 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-09-25 02:07:54,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:07:54 BoogieIcfgContainer [2020-09-25 02:07:54,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 02:07:54,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 02:07:54,428 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 02:07:54,432 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 02:07:54,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:07:52" (1/3) ... [2020-09-25 02:07:54,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@795e99a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:07:54, skipping insertion in model container [2020-09-25 02:07:54,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:07:53" (2/3) ... [2020-09-25 02:07:54,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@795e99a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:07:54, skipping insertion in model container [2020-09-25 02:07:54,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:07:54" (3/3) ... [2020-09-25 02:07:54,437 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2n_update_all_reverse.i [2020-09-25 02:07:54,450 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 02:07:54,462 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 02:07:54,487 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 02:07:54,523 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 02:07:54,523 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 02:07:54,523 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 02:07:54,523 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 02:07:54,523 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 02:07:54,524 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 02:07:54,524 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 02:07:54,524 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 02:07:54,550 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2020-09-25 02:07:54,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-25 02:07:54,562 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:07:54,564 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:07:54,565 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:07:54,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:07:54,573 INFO L82 PathProgramCache]: Analyzing trace with hash 935667377, now seen corresponding path program 1 times [2020-09-25 02:07:54,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:07:54,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1714173787] [2020-09-25 02:07:54,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:07:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:54,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:54,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:55,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:55,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:56,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:56,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-25 02:07:56,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 02:07:56,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1309 [2020-09-25 02:07:56,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:56,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:07:56,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-25 02:07:56,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:07:56,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 02:07:56,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:07:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:56,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:56,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:56,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:07:56,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:07:56,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 02:07:56,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:56,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:07:56,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:07:56,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:07:56,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:07:56,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 02:07:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:56,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:56,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:56,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 02:07:56,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:07:56,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 02:07:56,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:56,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:07:56,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:07:56,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:07:56,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:07:56,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 02:07:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:56,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:56,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:56,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:07:56,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:07:56,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 02:07:56,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:56,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:07:56,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 02:07:56,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:07:56,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:07:56,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:07:56,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1714173787] [2020-09-25 02:07:56,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:07:56,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 02:07:56,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349386965] [2020-09-25 02:07:56,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 02:07:56,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:07:56,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 02:07:56,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 02:07:56,292 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 4 states. [2020-09-25 02:07:56,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:07:56,708 INFO L93 Difference]: Finished difference Result 225 states and 280 transitions. [2020-09-25 02:07:56,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 02:07:56,711 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2020-09-25 02:07:56,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:07:56,728 INFO L225 Difference]: With dead ends: 225 [2020-09-25 02:07:56,729 INFO L226 Difference]: Without dead ends: 123 [2020-09-25 02:07:56,735 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 02:07:56,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-09-25 02:07:56,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 79. [2020-09-25 02:07:56,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-09-25 02:07:56,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2020-09-25 02:07:56,809 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 84 transitions. Word has length 38 [2020-09-25 02:07:56,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:07:56,810 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 84 transitions. [2020-09-25 02:07:56,810 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 02:07:56,810 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2020-09-25 02:07:56,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-25 02:07:56,813 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:07:56,813 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:07:56,813 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 02:07:56,814 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:07:56,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:07:56,814 INFO L82 PathProgramCache]: Analyzing trace with hash 287472295, now seen corresponding path program 1 times [2020-09-25 02:07:56,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:07:56,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1889765523] [2020-09-25 02:07:56,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:07:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:56,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:56,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:56,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:57,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:58,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:58,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-25 02:07:58,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 02:07:58,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1505 [2020-09-25 02:07:58,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:58,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 02:07:58,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 02:07:58,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 02:07:58,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:07:58,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:07:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:58,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:58,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:58,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:07:58,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:07:58,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 02:07:58,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:58,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:07:58,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:07:58,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:07:58,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:07:58,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 02:07:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:58,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:58,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:58,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 02:07:58,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:07:58,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 02:07:58,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:58,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 02:07:58,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 02:07:58,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 02:07:58,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:07:58,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 02:07:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:58,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:58,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:58,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:07:58,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:07:58,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:07:58,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:58,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:07:58,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 02:07:58,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:07:58,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:07:58,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:07:58,511 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1889765523] [2020-09-25 02:07:58,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:07:58,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 02:07:58,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519046173] [2020-09-25 02:07:58,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 02:07:58,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:07:58,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 02:07:58,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-25 02:07:58,516 INFO L87 Difference]: Start difference. First operand 79 states and 84 transitions. Second operand 7 states. [2020-09-25 02:07:58,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:07:58,891 INFO L93 Difference]: Finished difference Result 144 states and 154 transitions. [2020-09-25 02:07:58,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 02:07:58,892 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2020-09-25 02:07:58,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:07:58,894 INFO L225 Difference]: With dead ends: 144 [2020-09-25 02:07:58,894 INFO L226 Difference]: Without dead ends: 91 [2020-09-25 02:07:58,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-25 02:07:58,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-09-25 02:07:58,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 80. [2020-09-25 02:07:58,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-09-25 02:07:58,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 85 transitions. [2020-09-25 02:07:58,907 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 85 transitions. Word has length 38 [2020-09-25 02:07:58,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:07:58,907 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 85 transitions. [2020-09-25 02:07:58,908 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 02:07:58,908 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 85 transitions. [2020-09-25 02:07:58,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-09-25 02:07:58,910 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:07:58,910 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:07:58,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 02:07:58,910 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:07:58,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:07:58,911 INFO L82 PathProgramCache]: Analyzing trace with hash -48112681, now seen corresponding path program 1 times [2020-09-25 02:07:58,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:07:58,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [26954715] [2020-09-25 02:07:58,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:07:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:58,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:58,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:59,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:59,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:59,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:00,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:00,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:01,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:03,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:08:03,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-25 02:08:03,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 02:08:03,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 02:08:03,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:08:03,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 02:08:03,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 02:08:03,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 02:08:03,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:08:03,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:08:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:08:03,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:03,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:08:03,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:08:03,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:08:03,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 02:08:04,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:08:04,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:08:04,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:08:04,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:08:04,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:08:04,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 02:08:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:08:04,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:04,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:08:04,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 02:08:04,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:08:04,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-09-25 02:08:04,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:08:04,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 02:08:04,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 02:08:04,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 02:08:04,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:08:04,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 02:08:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:08:04,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:04,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:08:04,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:08:04,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:08:04,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 02:08:04,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:08:04,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:08:04,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 02:08:04,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:08:04,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:08:04,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:08:04,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [26954715] [2020-09-25 02:08:04,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 02:08:04,273 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-25 02:08:04,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195176799] [2020-09-25 02:08:04,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 02:08:04,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:08:04,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 02:08:04,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 02:08:04,279 INFO L87 Difference]: Start difference. First operand 80 states and 85 transitions. Second operand 9 states. [2020-09-25 02:08:04,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:08:04,758 INFO L93 Difference]: Finished difference Result 157 states and 168 transitions. [2020-09-25 02:08:04,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 02:08:04,759 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 50 [2020-09-25 02:08:04,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:08:04,761 INFO L225 Difference]: With dead ends: 157 [2020-09-25 02:08:04,761 INFO L226 Difference]: Without dead ends: 104 [2020-09-25 02:08:04,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-09-25 02:08:04,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-09-25 02:08:04,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 93. [2020-09-25 02:08:04,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-09-25 02:08:04,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 99 transitions. [2020-09-25 02:08:04,803 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 99 transitions. Word has length 50 [2020-09-25 02:08:04,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:08:04,804 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 99 transitions. [2020-09-25 02:08:04,804 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 02:08:04,804 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 99 transitions. [2020-09-25 02:08:04,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-09-25 02:08:04,807 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:08:04,807 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] [2020-09-25 02:08:04,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 02:08:04,808 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:08:04,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:08:04,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1084814599, now seen corresponding path program 2 times [2020-09-25 02:08:04,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:08:04,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [847832591] [2020-09-25 02:08:04,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:08:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:08:04,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:04,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:04,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:05,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:05,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:05,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:06,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:08,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:08,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:09,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:08:09,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-25 02:08:09,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-09-25 02:08:09,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-25 02:08:09,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:08:09,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 02:08:09,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-25 02:08:09,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 02:08:09,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:08:09,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:08:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:08:09,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:09,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:08:09,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:08:09,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:08:09,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:08:09,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:08:09,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:08:09,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:08:09,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:08:09,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:08:09,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 02:08:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:08:09,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:09,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:10,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:08:10,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 02:08:10,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:08:10,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236 [2020-09-25 02:08:10,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:08:10,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 02:08:10,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 02:08:10,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 02:08:10,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:08:10,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 02:08:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:08:10,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:10,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:08:10,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:08:10,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:08:10,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 02:08:10,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:08:10,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:08:10,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 02:08:10,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:08:10,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:08:10,256 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:08:10,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [847832591] [2020-09-25 02:08:10,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 02:08:10,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-25 02:08:10,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722067397] [2020-09-25 02:08:10,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 02:08:10,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:08:10,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 02:08:10,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 02:08:10,261 INFO L87 Difference]: Start difference. First operand 93 states and 99 transitions. Second operand 6 states. [2020-09-25 02:08:10,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:08:10,565 INFO L93 Difference]: Finished difference Result 160 states and 171 transitions. [2020-09-25 02:08:10,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 02:08:10,565 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-09-25 02:08:10,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:08:10,567 INFO L225 Difference]: With dead ends: 160 [2020-09-25 02:08:10,567 INFO L226 Difference]: Without dead ends: 94 [2020-09-25 02:08:10,568 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-25 02:08:10,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-09-25 02:08:10,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 93. [2020-09-25 02:08:10,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-09-25 02:08:10,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 98 transitions. [2020-09-25 02:08:10,577 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 98 transitions. Word has length 62 [2020-09-25 02:08:10,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:08:10,577 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 98 transitions. [2020-09-25 02:08:10,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 02:08:10,578 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 98 transitions. [2020-09-25 02:08:10,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-25 02:08:10,581 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:08:10,581 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2020-09-25 02:08:10,581 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 02:08:10,582 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:08:10,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:08:10,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1131092795, now seen corresponding path program 1 times [2020-09-25 02:08:10,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:08:10,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [334388509] [2020-09-25 02:08:10,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:08:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:08:10,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:10,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:10,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:11,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:11,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:11,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:11,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:13,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:13,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:15,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:08:15,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-25 02:08:15,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-09-25 02:08:15,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 02:08:15,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:08:15,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 02:08:15,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-25 02:08:15,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-25 02:08:15,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:08:15,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:08:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:08:15,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:15,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:08:15,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:08:15,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:08:15,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:08:15,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:08:15,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:08:15,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:08:15,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:08:15,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:08:15,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 02:08:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:08:15,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:15,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:08:15,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 02:08:15,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:08:15,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 218 [2020-09-25 02:08:15,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:08:15,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 02:08:15,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:08:15,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 02:08:15,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:08:15,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-25 02:08:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:08:15,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:08:15,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:08:15,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:08:15,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:08:15,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 02:08:15,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:08:15,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:08:15,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 02:08:15,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:08:15,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:08:15,990 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:08:15,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [334388509] [2020-09-25 02:08:15,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 02:08:15,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-25 02:08:15,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790281479] [2020-09-25 02:08:15,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 02:08:15,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:08:15,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 02:08:15,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-25 02:08:15,993 INFO L87 Difference]: Start difference. First operand 93 states and 98 transitions. Second operand 10 states. [2020-09-25 02:08:16,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:08:16,385 INFO L93 Difference]: Finished difference Result 100 states and 107 transitions. [2020-09-25 02:08:16,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 02:08:16,386 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 63 [2020-09-25 02:08:16,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:08:16,387 INFO L225 Difference]: With dead ends: 100 [2020-09-25 02:08:16,387 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 02:08:16,388 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2020-09-25 02:08:16,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 02:08:16,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 02:08:16,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 02:08:16,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 02:08:16,392 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-09-25 02:08:16,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:08:16,392 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 02:08:16,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 02:08:16,393 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 02:08:16,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 02:08:16,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 02:08:16,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 02:08:16,810 INFO L268 CegarLoopResult]: For program point L609(line 609) no Hoare annotation was computed. [2020-09-25 02:08:16,810 INFO L268 CegarLoopResult]: For program point L608(line 608) no Hoare annotation was computed. [2020-09-25 02:08:16,811 INFO L268 CegarLoopResult]: For program point L609-1(line 609) no Hoare annotation was computed. [2020-09-25 02:08:16,811 INFO L268 CegarLoopResult]: For program point L608-1(line 608) no Hoare annotation was computed. [2020-09-25 02:08:16,811 INFO L268 CegarLoopResult]: For program point L609-2(line 609) no Hoare annotation was computed. [2020-09-25 02:08:16,811 INFO L268 CegarLoopResult]: For program point L606(lines 606 612) no Hoare annotation was computed. [2020-09-25 02:08:16,811 INFO L268 CegarLoopResult]: For program point L608-2(line 608) no Hoare annotation was computed. [2020-09-25 02:08:16,811 INFO L268 CegarLoopResult]: For program point L606-1(lines 606 612) no Hoare annotation was computed. [2020-09-25 02:08:16,813 INFO L264 CegarLoopResult]: At program point L607-2(lines 607 610) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-09-25 02:08:16,814 INFO L268 CegarLoopResult]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2020-09-25 02:08:16,814 INFO L264 CegarLoopResult]: At program point dll_update_atENTRY(lines 606 612) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-09-25 02:08:16,814 INFO L268 CegarLoopResult]: For program point dll_update_atEXIT(lines 606 612) no Hoare annotation was computed. [2020-09-25 02:08:16,814 INFO L268 CegarLoopResult]: For program point dll_update_atFINAL(lines 606 612) no Hoare annotation was computed. [2020-09-25 02:08:16,814 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-25 02:08:16,814 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-25 02:08:16,815 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-25 02:08:16,815 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-09-25 02:08:16,815 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 02:08:16,815 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 561 563) the Hoare annotation is: true [2020-09-25 02:08:16,815 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 561 563) no Hoare annotation was computed. [2020-09-25 02:08:16,815 INFO L271 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: true [2020-09-25 02:08:16,816 INFO L268 CegarLoopResult]: For program point L578-1(lines 578 580) no Hoare annotation was computed. [2020-09-25 02:08:16,816 INFO L264 CegarLoopResult]: At program point dll_createENTRY(lines 574 591) the Hoare annotation is: (or (not (<= 2 |dll_create_#in~len|)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))) [2020-09-25 02:08:16,816 INFO L268 CegarLoopResult]: For program point L574(lines 574 591) no Hoare annotation was computed. [2020-09-25 02:08:16,817 INFO L264 CegarLoopResult]: At program point L576-2(lines 576 589) the Hoare annotation is: (or (not (<= 2 |dll_create_#in~len|)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= dll_create_~len |dll_create_#in~len|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (and (or (<= 1 dll_create_~head~0.offset) (<= 1 dll_create_~head~0.base) (<= (+ dll_create_~head~0.offset 1) 0) (<= (+ dll_create_~head~0.base 1) 0)) (or (< 0 dll_create_~new_head~0.offset) (< 0 dll_create_~new_head~0.base) (<= (+ dll_create_~new_head~0.offset 1) 0) (<= (+ dll_create_~new_head~0.base 1) 0)) (<= (+ dll_create_~len 1) |dll_create_#in~len|))) [2020-09-25 02:08:16,817 INFO L268 CegarLoopResult]: For program point L576-3(lines 576 589) no Hoare annotation was computed. [2020-09-25 02:08:16,817 INFO L268 CegarLoopResult]: For program point dll_createFINAL(lines 574 591) no Hoare annotation was computed. [2020-09-25 02:08:16,818 INFO L268 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-09-25 02:08:16,818 INFO L268 CegarLoopResult]: For program point L583(lines 576 589) no Hoare annotation was computed. [2020-09-25 02:08:16,818 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-09-25 02:08:16,818 INFO L271 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: true [2020-09-25 02:08:16,818 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-25 02:08:16,819 INFO L268 CegarLoopResult]: For program point L577-1(line 577) no Hoare annotation was computed. [2020-09-25 02:08:16,819 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-09-25 02:08:16,819 INFO L268 CegarLoopResult]: For program point dll_createEXIT(lines 574 591) no Hoare annotation was computed. [2020-09-25 02:08:16,819 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-09-25 02:08:16,819 INFO L268 CegarLoopResult]: For program point L588-1(line 588) no Hoare annotation was computed. [2020-09-25 02:08:16,819 INFO L268 CegarLoopResult]: For program point L588-2(line 588) no Hoare annotation was computed. [2020-09-25 02:08:16,819 INFO L268 CegarLoopResult]: For program point L584(lines 584 586) no Hoare annotation was computed. [2020-09-25 02:08:16,820 INFO L268 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-09-25 02:08:16,820 INFO L268 CegarLoopResult]: For program point L578(lines 578 580) no Hoare annotation was computed. [2020-09-25 02:08:16,820 INFO L268 CegarLoopResult]: For program point L66-1(line 66) no Hoare annotation was computed. [2020-09-25 02:08:16,820 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-09-25 02:08:16,820 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-09-25 02:08:16,820 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-09-25 02:08:16,821 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-09-25 02:08:16,821 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-09-25 02:08:16,821 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-09-25 02:08:16,821 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-09-25 02:08:16,822 INFO L268 CegarLoopResult]: For program point L71-1(line 71) no Hoare annotation was computed. [2020-09-25 02:08:16,822 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-09-25 02:08:16,822 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 02:08:16,822 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-25 02:08:16,822 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 02:08:16,822 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 02:08:16,822 INFO L268 CegarLoopResult]: For program point L604(line 604) no Hoare annotation was computed. [2020-09-25 02:08:16,823 INFO L268 CegarLoopResult]: For program point L604-1(line 604) no Hoare annotation was computed. [2020-09-25 02:08:16,823 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-09-25 02:08:16,823 INFO L268 CegarLoopResult]: For program point L601(line 601) no Hoare annotation was computed. [2020-09-25 02:08:16,823 INFO L268 CegarLoopResult]: For program point L602-1(line 602) no Hoare annotation was computed. [2020-09-25 02:08:16,823 INFO L268 CegarLoopResult]: For program point L601-1(line 601) no Hoare annotation was computed. [2020-09-25 02:08:16,823 INFO L268 CegarLoopResult]: For program point L602-2(line 602) no Hoare annotation was computed. [2020-09-25 02:08:16,824 INFO L268 CegarLoopResult]: For program point L599(lines 599 605) no Hoare annotation was computed. [2020-09-25 02:08:16,824 INFO L268 CegarLoopResult]: For program point L601-2(line 601) no Hoare annotation was computed. [2020-09-25 02:08:16,824 INFO L271 CegarLoopResult]: At program point L600-2(lines 600 603) the Hoare annotation is: true [2020-09-25 02:08:16,824 INFO L268 CegarLoopResult]: For program point L600-3(lines 600 603) no Hoare annotation was computed. [2020-09-25 02:08:16,824 INFO L268 CegarLoopResult]: For program point dll_get_data_atFINAL(lines 599 605) no Hoare annotation was computed. [2020-09-25 02:08:16,824 INFO L271 CegarLoopResult]: At program point dll_get_data_atENTRY(lines 599 605) the Hoare annotation is: true [2020-09-25 02:08:16,824 INFO L268 CegarLoopResult]: For program point dll_get_data_atEXIT(lines 599 605) no Hoare annotation was computed. [2020-09-25 02:08:16,825 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 613 632) no Hoare annotation was computed. [2020-09-25 02:08:16,825 INFO L268 CegarLoopResult]: For program point L622-2(lines 622 627) no Hoare annotation was computed. [2020-09-25 02:08:16,825 INFO L268 CegarLoopResult]: For program point L622-3(line 622) no Hoare annotation was computed. [2020-09-25 02:08:16,825 INFO L268 CegarLoopResult]: For program point L618(line 618) no Hoare annotation was computed. [2020-09-25 02:08:16,825 INFO L268 CegarLoopResult]: For program point L622-4(line 622) no Hoare annotation was computed. [2020-09-25 02:08:16,825 INFO L264 CegarLoopResult]: At program point L622-5(lines 622 627) the Hoare annotation is: (and (<= 2 main_~len~0) (<= 1 main_~i~0)) [2020-09-25 02:08:16,827 INFO L271 CegarLoopResult]: At program point L622-6(lines 622 627) the Hoare annotation is: true [2020-09-25 02:08:16,827 INFO L268 CegarLoopResult]: For program point L618-3(line 618) no Hoare annotation was computed. [2020-09-25 02:08:16,827 INFO L268 CegarLoopResult]: For program point L618-4(line 618) no Hoare annotation was computed. [2020-09-25 02:08:16,828 INFO L264 CegarLoopResult]: At program point L618-5(lines 618 621) the Hoare annotation is: (<= 2 main_~len~0) [2020-09-25 02:08:16,828 INFO L268 CegarLoopResult]: For program point L618-6(lines 618 621) no Hoare annotation was computed. [2020-09-25 02:08:16,828 INFO L268 CegarLoopResult]: For program point L631(line 631) no Hoare annotation was computed. [2020-09-25 02:08:16,828 INFO L268 CegarLoopResult]: For program point L623(line 623) no Hoare annotation was computed. [2020-09-25 02:08:16,828 INFO L268 CegarLoopResult]: For program point L619(line 619) no Hoare annotation was computed. [2020-09-25 02:08:16,828 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-09-25 02:08:16,829 INFO L268 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-09-25 02:08:16,829 INFO L264 CegarLoopResult]: At program point L624(line 624) the Hoare annotation is: false [2020-09-25 02:08:16,829 INFO L268 CegarLoopResult]: For program point L624-1(line 624) no Hoare annotation was computed. [2020-09-25 02:08:16,829 INFO L268 CegarLoopResult]: For program point L624-2(lines 624 626) no Hoare annotation was computed. [2020-09-25 02:08:16,829 INFO L268 CegarLoopResult]: For program point L624-3(line 624) no Hoare annotation was computed. [2020-09-25 02:08:16,829 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 613 632) no Hoare annotation was computed. [2020-09-25 02:08:16,830 INFO L264 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: (<= 2 main_~len~0) [2020-09-25 02:08:16,830 INFO L268 CegarLoopResult]: For program point L624-4(line 624) no Hoare annotation was computed. [2020-09-25 02:08:16,830 INFO L268 CegarLoopResult]: For program point L620-1(lines 618 621) no Hoare annotation was computed. [2020-09-25 02:08:16,831 INFO L264 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= 2 main_~len~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-09-25 02:08:16,831 INFO L268 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-09-25 02:08:16,831 INFO L268 CegarLoopResult]: For program point L616-2(line 616) no Hoare annotation was computed. [2020-09-25 02:08:16,832 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2020-09-25 02:08:16,832 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 613 632) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-09-25 02:08:16,832 INFO L264 CegarLoopResult]: At program point L625(lines 613 632) the Hoare annotation is: false [2020-09-25 02:08:16,832 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-09-25 02:08:16,833 INFO L268 CegarLoopResult]: For program point dll_destroyEXIT(lines 592 598) no Hoare annotation was computed. [2020-09-25 02:08:16,833 INFO L264 CegarLoopResult]: At program point dll_destroyENTRY(lines 592 598) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-09-25 02:08:16,833 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-09-25 02:08:16,833 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-09-25 02:08:16,833 INFO L268 CegarLoopResult]: For program point L595-1(line 595) no Hoare annotation was computed. [2020-09-25 02:08:16,833 INFO L268 CegarLoopResult]: For program point L594-1(line 594) no Hoare annotation was computed. [2020-09-25 02:08:16,833 INFO L268 CegarLoopResult]: For program point L594-2(line 594) no Hoare annotation was computed. [2020-09-25 02:08:16,834 INFO L271 CegarLoopResult]: At program point L593-2(lines 593 597) the Hoare annotation is: true [2020-09-25 02:08:16,834 INFO L268 CegarLoopResult]: For program point L593-3(lines 592 598) no Hoare annotation was computed. [2020-09-25 02:08:16,834 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-25 02:08:16,834 INFO L268 CegarLoopResult]: For program point node_createENTRY(lines 564 573) no Hoare annotation was computed. [2020-09-25 02:08:16,834 INFO L268 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-09-25 02:08:16,834 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-09-25 02:08:16,834 INFO L268 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-09-25 02:08:16,834 INFO L268 CegarLoopResult]: For program point L566(lines 566 568) no Hoare annotation was computed. [2020-09-25 02:08:16,835 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 564 573) no Hoare annotation was computed. [2020-09-25 02:08:16,835 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-25 02:08:16,835 INFO L268 CegarLoopResult]: For program point L566-1(lines 566 568) no Hoare annotation was computed. [2020-09-25 02:08:16,835 INFO L268 CegarLoopResult]: For program point L565-1(line 565) no Hoare annotation was computed. [2020-09-25 02:08:16,835 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 564 573) no Hoare annotation was computed. [2020-09-25 02:08:16,858 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 02:08:16,860 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 02:08:16,860 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 02:08:16,860 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 02:08:16,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 02:08:16,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 02:08:16,862 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,862 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,862 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 02:08:16,863 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 02:08:16,863 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 02:08:16,863 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 02:08:16,863 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,863 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 02:08:16,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 02:08:16,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,873 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 02:08:16,873 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 02:08:16,873 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 02:08:16,874 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 02:08:16,875 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,875 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,876 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-09-25 02:08:16,876 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-09-25 02:08:16,876 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 02:08:16,876 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 02:08:16,877 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,877 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,880 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 02:08:16,880 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 02:08:16,882 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 02:08:16,882 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 02:08:16,887 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-09-25 02:08:16,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-09-25 02:08:16,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 02:08:16,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 02:08:16,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 02:08:16 BoogieIcfgContainer [2020-09-25 02:08:16,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 02:08:16,897 INFO L168 Benchmark]: Toolchain (without parser) took 24117.13 ms. Allocated memory was 147.3 MB in the beginning and 391.1 MB in the end (delta: 243.8 MB). Free memory was 101.1 MB in the beginning and 127.9 MB in the end (delta: -26.9 MB). Peak memory consumption was 216.9 MB. Max. memory is 7.1 GB. [2020-09-25 02:08:16,899 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 147.3 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 02:08:16,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 784.69 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 100.4 MB in the beginning and 167.8 MB in the end (delta: -67.3 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2020-09-25 02:08:16,906 INFO L168 Benchmark]: Boogie Preprocessor took 72.34 ms. Allocated memory is still 203.9 MB. Free memory was 167.8 MB in the beginning and 164.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2020-09-25 02:08:16,907 INFO L168 Benchmark]: RCFGBuilder took 781.86 ms. Allocated memory is still 203.9 MB. Free memory was 164.5 MB in the beginning and 110.8 MB in the end (delta: 53.7 MB). Peak memory consumption was 53.7 MB. Max. memory is 7.1 GB. [2020-09-25 02:08:16,908 INFO L168 Benchmark]: TraceAbstraction took 22464.59 ms. Allocated memory was 203.9 MB in the beginning and 391.1 MB in the end (delta: 187.2 MB). Free memory was 110.8 MB in the beginning and 127.9 MB in the end (delta: -17.1 MB). Peak memory consumption was 170.1 MB. Max. memory is 7.1 GB. [2020-09-25 02:08:16,922 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 147.3 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 784.69 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 100.4 MB in the beginning and 167.8 MB in the end (delta: -67.3 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 72.34 ms. Allocated memory is still 203.9 MB. Free memory was 167.8 MB in the beginning and 164.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 781.86 ms. Allocated memory is still 203.9 MB. Free memory was 164.5 MB in the beginning and 110.8 MB in the end (delta: 53.7 MB). Peak memory consumption was 53.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22464.59 ms. Allocated memory was 203.9 MB in the beginning and 391.1 MB in the end (delta: 187.2 MB). Free memory was 110.8 MB in the beginning and 127.9 MB in the end (delta: -17.1 MB). Peak memory consumption was 170.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_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 #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 630]: 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: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: 2 <= len - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 2 <= len && 1 <= i - InvariantResult [Line: 607]: Loop Invariant [2020-09-25 02:08:16,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 02:08:16,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 02:08:16,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 02:08:16,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 02:08:16,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 02:08:16,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 02:08:16,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 02:08:16,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 02:08:16,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 02:08:16,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 02:08:16,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 02:08:16,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 02:08:16,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$) - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 576]: Loop Invariant [2020-09-25 02:08:16,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 02:08:16,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 02:08:16,953 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 02:08:16,953 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 02:08:16,954 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,954 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,954 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-09-25 02:08:16,954 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-09-25 02:08:16,954 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 02:08:16,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 02:08:16,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 02:08:16,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 02:08:16,956 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 02:08:16,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 02:08:16,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-09-25 02:08:16,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-09-25 02:08:16,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 02:08:16,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 02:08:16,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 02:08:16,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (!(2 <= \old(len)) || (((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(unknown-#length-unknown) == unknown-#length-unknown) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && len == \old(len)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid)) || (((((1 <= head || 1 <= head) || head + 1 <= 0) || head + 1 <= 0) && (((0 < new_head || 0 < new_head) || new_head + 1 <= 0) || new_head + 1 <= 0)) && len + 1 <= \old(len)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 120 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.8s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 364 SDtfs, 530 SDslu, 638 SDs, 0 SdLazy, 1008 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=0, 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, 5 MinimizatonAttempts, 67 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 46 PreInvPairs, 60 NumberOfFragments, 177 HoareAnnotationTreeSize, 46 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 22 FomulaSimplificationsInter, 181 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 19.2s InterpolantComputationTime, 251 NumberOfCodeBlocks, 251 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 246 ConstructedInterpolants, 0 QuantifiedInterpolants, 41684 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 11/29 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...