/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-regression/test27-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 09:19:37,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 09:19:37,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 09:19:37,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 09:19:37,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 09:19:38,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 09:19:38,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 09:19:38,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 09:19:38,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 09:19:38,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 09:19:38,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 09:19:38,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 09:19:38,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 09:19:38,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 09:19:38,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 09:19:38,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 09:19:38,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 09:19:38,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 09:19:38,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 09:19:38,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 09:19:38,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 09:19:38,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 09:19:38,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 09:19:38,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 09:19:38,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 09:19:38,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 09:19:38,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 09:19:38,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 09:19:38,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 09:19:38,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 09:19:38,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 09:19:38,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 09:19:38,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 09:19:38,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 09:19:38,094 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 09:19:38,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 09:19:38,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 09:19:38,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 09:19:38,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 09:19:38,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 09:19:38,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 09:19:38,117 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 09:19:38,171 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 09:19:38,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 09:19:38,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 09:19:38,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 09:19:38,177 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 09:19:38,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 09:19:38,177 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 09:19:38,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 09:19:38,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 09:19:38,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 09:19:38,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 09:19:38,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 09:19:38,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 09:19:38,180 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 09:19:38,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 09:19:38,180 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 09:19:38,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 09:19:38,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 09:19:38,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 09:19:38,181 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 09:19:38,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 09:19:38,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 09:19:38,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 09:19:38,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 09:19:38,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 09:19:38,182 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 09:19:38,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 09:19:38,183 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 09:19:38,183 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 09:19:38,183 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 09:19:38,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 09:19:38,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 09:19:38,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 09:19:38,670 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 09:19:38,671 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 09:19:38,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test27-1.c [2020-10-29 09:19:38,756 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/565e4d21d/23ede4b5f126436eaed5690159750aad/FLAGf3d7aab9d [2020-10-29 09:19:39,537 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 09:19:39,538 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/test27-1.c [2020-10-29 09:19:39,546 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/565e4d21d/23ede4b5f126436eaed5690159750aad/FLAGf3d7aab9d [2020-10-29 09:19:39,861 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/565e4d21d/23ede4b5f126436eaed5690159750aad [2020-10-29 09:19:39,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 09:19:39,872 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 09:19:39,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 09:19:39,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 09:19:39,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 09:19:39,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:19:39" (1/1) ... [2020-10-29 09:19:39,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29aae8c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:19:39, skipping insertion in model container [2020-10-29 09:19:39,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:19:39" (1/1) ... [2020-10-29 09:19:39,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 09:19:39,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 09:19:40,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:19:40,104 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 09:19:40,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:19:40,163 INFO L208 MainTranslator]: Completed translation [2020-10-29 09:19:40,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:19:40 WrapperNode [2020-10-29 09:19:40,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 09:19:40,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 09:19:40,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 09:19:40,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 09:19:40,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:19:40" (1/1) ... [2020-10-29 09:19:40,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:19:40" (1/1) ... [2020-10-29 09:19:40,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:19:40" (1/1) ... [2020-10-29 09:19:40,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:19:40" (1/1) ... [2020-10-29 09:19:40,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:19:40" (1/1) ... [2020-10-29 09:19:40,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:19:40" (1/1) ... [2020-10-29 09:19:40,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:19:40" (1/1) ... [2020-10-29 09:19:40,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 09:19:40,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 09:19:40,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 09:19:40,255 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 09:19:40,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:19:40" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 09:19:40,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 09:19:40,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 09:19:40,339 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 09:19:40,339 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-29 09:19:40,339 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 09:19:40,340 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 09:19:40,340 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 09:19:40,340 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 09:19:40,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 09:19:40,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 09:19:40,341 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-29 09:19:40,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 09:19:40,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 09:19:40,341 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 09:19:40,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 09:19:40,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 09:19:40,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 09:19:40,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 09:19:40,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 09:19:40,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 09:19:40,786 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 09:19:40,786 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-29 09:19:40,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:19:40 BoogieIcfgContainer [2020-10-29 09:19:40,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 09:19:40,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 09:19:40,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 09:19:40,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 09:19:40,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 09:19:39" (1/3) ... [2020-10-29 09:19:40,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e31895e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:19:40, skipping insertion in model container [2020-10-29 09:19:40,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:19:40" (2/3) ... [2020-10-29 09:19:40,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e31895e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:19:40, skipping insertion in model container [2020-10-29 09:19:40,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:19:40" (3/3) ... [2020-10-29 09:19:40,828 INFO L111 eAbstractionObserver]: Analyzing ICFG test27-1.c [2020-10-29 09:19:40,858 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 09:19:40,873 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 09:19:40,893 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 09:19:40,934 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 09:19:40,934 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 09:19:40,934 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 09:19:40,935 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 09:19:40,935 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 09:19:40,935 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 09:19:40,935 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 09:19:40,935 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 09:19:40,963 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-10-29 09:19:40,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-29 09:19:40,973 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:19:40,974 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:19:40,975 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:19:40,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:19:40,989 INFO L82 PathProgramCache]: Analyzing trace with hash 597245021, now seen corresponding path program 1 times [2020-10-29 09:19:41,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:19:41,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [5434720] [2020-10-29 09:19:41,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:19:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:19:41,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:41,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:41,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:19:41,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 09:19:41,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:19:41,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 656 [2020-10-29 09:19:41,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:19:41,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:19:41,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:19:41,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:19:41,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 09:19:41,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-29 09:19:42,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:19:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:19:42,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:42,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:19:42,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:19:42,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:19:42,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 09:19:42,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:19:42,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:19:42,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:19:42,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:19:42,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:19:42,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:19:42,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 09:19:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:19:42,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:42,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:19:42,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:19:42,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:19:42,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 09:19:42,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:19:42,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:19:42,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:19:42,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 09:19:42,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:19:42,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:19:42,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:19:42,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [5434720] [2020-10-29 09:19:42,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:19:42,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 09:19:42,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740243828] [2020-10-29 09:19:42,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 09:19:42,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:19:42,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 09:19:42,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 09:19:42,125 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 4 states. [2020-10-29 09:19:42,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:19:42,283 INFO L93 Difference]: Finished difference Result 49 states and 62 transitions. [2020-10-29 09:19:42,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-29 09:19:42,286 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-10-29 09:19:42,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:19:42,294 INFO L225 Difference]: With dead ends: 49 [2020-10-29 09:19:42,294 INFO L226 Difference]: Without dead ends: 23 [2020-10-29 09:19:42,298 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 09:19:42,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-29 09:19:42,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2020-10-29 09:19:42,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-10-29 09:19:42,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2020-10-29 09:19:42,343 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 18 [2020-10-29 09:19:42,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:19:42,344 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2020-10-29 09:19:42,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 09:19:42,344 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2020-10-29 09:19:42,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-29 09:19:42,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:19:42,346 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] [2020-10-29 09:19:42,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 09:19:42,346 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:19:42,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:19:42,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1404900848, now seen corresponding path program 1 times [2020-10-29 09:19:42,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:19:42,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1631261260] [2020-10-29 09:19:42,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:19:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:19:42,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:42,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:43,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:19:43,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 09:19:43,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:19:43,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1016 [2020-10-29 09:19:43,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:19:43,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:19:43,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 09:19:43,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:19:43,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 09:19:43,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:19:43,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:19:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:19:43,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:43,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:19:43,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:19:43,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:19:43,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 09:19:43,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:19:43,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:19:43,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:19:43,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:19:43,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:19:43,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:19:43,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 09:19:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:19:43,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:43,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:19:43,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:19:43,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:19:43,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:19:43,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:19:43,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:19:43,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:19:43,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 09:19:43,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:19:43,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:19:43,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:19:43,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1631261260] [2020-10-29 09:19:43,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:19:43,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 09:19:43,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776254636] [2020-10-29 09:19:43,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 09:19:43,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:19:43,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 09:19:43,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 09:19:43,545 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 5 states. [2020-10-29 09:19:43,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:19:43,692 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2020-10-29 09:19:43,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 09:19:43,693 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-10-29 09:19:43,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:19:43,694 INFO L225 Difference]: With dead ends: 38 [2020-10-29 09:19:43,694 INFO L226 Difference]: Without dead ends: 25 [2020-10-29 09:19:43,696 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 09:19:43,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-29 09:19:43,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2020-10-29 09:19:43,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-29 09:19:43,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2020-10-29 09:19:43,708 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 21 [2020-10-29 09:19:43,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:19:43,708 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2020-10-29 09:19:43,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 09:19:43,709 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2020-10-29 09:19:43,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-29 09:19:43,709 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:19:43,710 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:19:43,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 09:19:43,710 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:19:43,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:19:43,711 INFO L82 PathProgramCache]: Analyzing trace with hash 619831534, now seen corresponding path program 2 times [2020-10-29 09:19:43,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:19:43,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1546238294] [2020-10-29 09:19:43,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:19:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:19:43,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:43,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:44,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:19:44,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 09:19:44,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:19:44,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 886 [2020-10-29 09:19:44,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:19:44,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:19:44,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:19:44,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:19:44,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:19:44,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:19:44,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:19:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:19:44,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:44,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:19:44,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:19:44,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:19:44,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:19:44,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:19:44,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:19:44,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:19:44,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:19:44,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:19:44,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 09:19:44,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 09:19:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:19:44,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:44,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:19:44,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:19:44,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:19:44,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:19:44,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:19:44,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:19:44,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:19:44,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 09:19:44,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:19:44,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:19:44,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:19:44,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1546238294] [2020-10-29 09:19:44,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:19:44,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 09:19:44,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781400585] [2020-10-29 09:19:44,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 09:19:44,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:19:44,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 09:19:44,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-29 09:19:44,760 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 6 states. [2020-10-29 09:19:44,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:19:44,901 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2020-10-29 09:19:44,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 09:19:44,902 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2020-10-29 09:19:44,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:19:44,903 INFO L225 Difference]: With dead ends: 40 [2020-10-29 09:19:44,903 INFO L226 Difference]: Without dead ends: 27 [2020-10-29 09:19:44,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-29 09:19:44,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-29 09:19:44,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2020-10-29 09:19:44,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-29 09:19:44,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2020-10-29 09:19:44,911 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 23 [2020-10-29 09:19:44,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:19:44,911 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2020-10-29 09:19:44,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 09:19:44,912 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2020-10-29 09:19:44,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-29 09:19:44,913 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:19:44,913 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:19:44,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 09:19:44,913 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:19:44,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:19:44,914 INFO L82 PathProgramCache]: Analyzing trace with hash 767465548, now seen corresponding path program 3 times [2020-10-29 09:19:44,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:19:44,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1575066497] [2020-10-29 09:19:44,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:19:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:19:44,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:45,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:46,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:19:46,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-29 09:19:46,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:19:46,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1444 [2020-10-29 09:19:46,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:19:46,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:19:46,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:19:46,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:19:46,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:19:46,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:19:46,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:19:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:19:46,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:46,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:19:46,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:19:46,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:19:46,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:19:46,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:19:46,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:19:46,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:19:46,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:19:46,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:19:46,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:19:46,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-29 09:19:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:19:46,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:46,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:19:46,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:19:46,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:19:46,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:19:46,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:19:46,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:19:46,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:19:46,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 09:19:46,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:19:46,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:19:46,517 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:19:46,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1575066497] [2020-10-29 09:19:46,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:19:46,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 09:19:46,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925645280] [2020-10-29 09:19:46,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 09:19:46,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:19:46,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 09:19:46,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-29 09:19:46,520 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 7 states. [2020-10-29 09:19:46,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:19:46,657 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2020-10-29 09:19:46,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 09:19:46,658 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2020-10-29 09:19:46,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:19:46,659 INFO L225 Difference]: With dead ends: 42 [2020-10-29 09:19:46,659 INFO L226 Difference]: Without dead ends: 29 [2020-10-29 09:19:46,660 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-29 09:19:46,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-29 09:19:46,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2020-10-29 09:19:46,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-29 09:19:46,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2020-10-29 09:19:46,666 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 25 [2020-10-29 09:19:46,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:19:46,667 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2020-10-29 09:19:46,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 09:19:46,667 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2020-10-29 09:19:46,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-29 09:19:46,668 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:19:46,668 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:19:46,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 09:19:46,669 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:19:46,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:19:46,669 INFO L82 PathProgramCache]: Analyzing trace with hash 909832234, now seen corresponding path program 4 times [2020-10-29 09:19:46,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:19:46,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [852832696] [2020-10-29 09:19:46,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:19:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:19:46,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:46,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:48,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:19:48,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-29 09:19:48,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:19:48,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1996 [2020-10-29 09:19:48,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:19:48,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:19:48,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:19:48,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:19:48,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 09:19:48,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:19:48,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:19:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:19:48,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:48,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:19:48,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:19:48,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:19:48,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 09:19:48,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:19:48,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:19:48,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:19:48,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:19:48,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:19:48,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:19:48,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 09:19:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:19:48,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:48,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:19:48,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:19:48,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:19:48,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:19:48,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:19:48,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:19:48,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:19:48,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 09:19:48,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:19:48,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:19:48,838 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:19:48,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [852832696] [2020-10-29 09:19:48,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:19:48,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 09:19:48,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831735510] [2020-10-29 09:19:48,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 09:19:48,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:19:48,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 09:19:48,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 09:19:48,841 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 8 states. [2020-10-29 09:19:48,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:19:48,989 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2020-10-29 09:19:48,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 09:19:48,990 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2020-10-29 09:19:48,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:19:48,991 INFO L225 Difference]: With dead ends: 44 [2020-10-29 09:19:48,992 INFO L226 Difference]: Without dead ends: 31 [2020-10-29 09:19:48,992 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 09:19:48,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-29 09:19:48,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2020-10-29 09:19:48,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-29 09:19:48,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2020-10-29 09:19:48,999 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 27 [2020-10-29 09:19:48,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:19:48,999 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2020-10-29 09:19:48,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 09:19:48,999 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2020-10-29 09:19:49,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-29 09:19:49,000 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:19:49,001 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:19:49,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 09:19:49,001 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:19:49,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:19:49,002 INFO L82 PathProgramCache]: Analyzing trace with hash 285264008, now seen corresponding path program 5 times [2020-10-29 09:19:49,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:19:49,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [793072719] [2020-10-29 09:19:49,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:19:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:19:49,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:49,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:51,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:19:51,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-29 09:19:51,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:19:51,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2419 [2020-10-29 09:19:51,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:19:51,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:19:51,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 09:19:51,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:19:51,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 09:19:51,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:19:51,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:19:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:19:51,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:51,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:19:51,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:19:51,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:19:51,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:19:51,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:19:51,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:19:51,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:19:51,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:19:51,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:19:51,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:19:51,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-29 09:19:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:19:51,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:51,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:19:51,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:19:51,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:19:51,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:19:51,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:19:51,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:19:51,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:19:51,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 09:19:51,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:19:51,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:19:51,654 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:19:51,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [793072719] [2020-10-29 09:19:51,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:19:51,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 09:19:51,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45296710] [2020-10-29 09:19:51,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 09:19:51,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:19:51,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 09:19:51,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-29 09:19:51,660 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 9 states. [2020-10-29 09:19:51,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:19:51,855 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2020-10-29 09:19:51,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 09:19:51,856 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2020-10-29 09:19:51,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:19:51,857 INFO L225 Difference]: With dead ends: 46 [2020-10-29 09:19:51,857 INFO L226 Difference]: Without dead ends: 33 [2020-10-29 09:19:51,858 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-29 09:19:51,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-29 09:19:51,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2020-10-29 09:19:51,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-29 09:19:51,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2020-10-29 09:19:51,869 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 29 [2020-10-29 09:19:51,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:19:51,870 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2020-10-29 09:19:51,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 09:19:51,870 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2020-10-29 09:19:51,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-29 09:19:51,871 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:19:51,872 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:19:51,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 09:19:51,873 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:19:51,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:19:51,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1370620262, now seen corresponding path program 6 times [2020-10-29 09:19:51,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:19:51,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [643084469] [2020-10-29 09:19:51,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:19:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:19:51,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:52,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:54,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:19:54,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 09:19:54,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:19:54,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3088 [2020-10-29 09:19:54,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:19:54,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:19:54,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 09:19:54,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:19:55,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 09:19:55,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:19:55,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:19:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:19:55,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:55,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:19:55,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:19:55,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:19:55,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 09:19:55,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:19:55,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:19:55,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:19:55,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:19:55,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:19:55,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:19:55,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 09:19:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:19:55,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:55,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:19:55,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:19:55,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:19:55,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:19:55,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:19:55,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:19:55,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:19:55,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 09:19:55,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:19:55,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:19:55,194 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:19:55,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [643084469] [2020-10-29 09:19:55,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:19:55,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 09:19:55,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681109165] [2020-10-29 09:19:55,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 09:19:55,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:19:55,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 09:19:55,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2020-10-29 09:19:55,198 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 10 states. [2020-10-29 09:19:55,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:19:55,375 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2020-10-29 09:19:55,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 09:19:55,376 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 31 [2020-10-29 09:19:55,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:19:55,377 INFO L225 Difference]: With dead ends: 48 [2020-10-29 09:19:55,377 INFO L226 Difference]: Without dead ends: 35 [2020-10-29 09:19:55,378 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2020-10-29 09:19:55,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-29 09:19:55,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2020-10-29 09:19:55,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-29 09:19:55,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2020-10-29 09:19:55,383 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 31 [2020-10-29 09:19:55,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:19:55,384 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2020-10-29 09:19:55,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 09:19:55,384 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2020-10-29 09:19:55,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-29 09:19:55,385 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:19:55,385 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:19:55,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 09:19:55,385 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:19:55,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:19:55,386 INFO L82 PathProgramCache]: Analyzing trace with hash 720927428, now seen corresponding path program 7 times [2020-10-29 09:19:55,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:19:55,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872982880] [2020-10-29 09:19:55,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:19:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:19:55,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:55,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:58,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:19:58,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 09:19:58,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:19:58,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3523 [2020-10-29 09:19:58,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:19:58,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:19:58,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 09:19:58,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:19:58,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 09:19:58,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:19:59,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:19:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:19:59,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:59,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:19:59,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:19:59,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:19:59,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:19:59,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:19:59,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:19:59,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:19:59,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:19:59,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:19:59,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 09:19:59,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-29 09:19:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:19:59,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:59,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:19:59,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:19:59,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:19:59,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:19:59,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:19:59,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:19:59,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:19:59,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 09:19:59,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:19:59,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:19:59,159 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:19:59,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [872982880] [2020-10-29 09:19:59,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:19:59,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 09:19:59,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858265298] [2020-10-29 09:19:59,160 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 09:19:59,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:19:59,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 09:19:59,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2020-10-29 09:19:59,162 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand 11 states. [2020-10-29 09:19:59,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:19:59,356 INFO L93 Difference]: Finished difference Result 50 states and 52 transitions. [2020-10-29 09:19:59,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 09:19:59,357 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 33 [2020-10-29 09:19:59,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:19:59,358 INFO L225 Difference]: With dead ends: 50 [2020-10-29 09:19:59,358 INFO L226 Difference]: Without dead ends: 37 [2020-10-29 09:19:59,359 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2020-10-29 09:19:59,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-29 09:19:59,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2020-10-29 09:19:59,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-29 09:19:59,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2020-10-29 09:19:59,365 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 33 [2020-10-29 09:19:59,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:19:59,365 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2020-10-29 09:19:59,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 09:19:59,366 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2020-10-29 09:19:59,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-29 09:19:59,367 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:19:59,367 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:19:59,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 09:19:59,367 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:19:59,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:19:59,368 INFO L82 PathProgramCache]: Analyzing trace with hash -863628126, now seen corresponding path program 8 times [2020-10-29 09:19:59,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:19:59,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1736343615] [2020-10-29 09:19:59,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:19:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:19:59,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:19:59,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:04,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:04,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 09:20:04,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:20:04,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4718 [2020-10-29 09:20:04,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:04,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:04,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 09:20:04,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:20:04,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 09:20:04,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:04,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:20:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:04,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:04,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:04,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:20:04,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:04,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:20:04,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:04,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:04,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:04,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:04,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:04,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:04,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 09:20:04,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:04,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:04,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:04,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:20:04,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:04,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:20:04,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:04,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:04,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:04,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 09:20:04,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:04,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:20:04,356 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:20:04,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1736343615] [2020-10-29 09:20:04,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:20:04,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 09:20:04,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451271123] [2020-10-29 09:20:04,359 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 09:20:04,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:20:04,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 09:20:04,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2020-10-29 09:20:04,365 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand 12 states. [2020-10-29 09:20:04,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:20:04,560 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions. [2020-10-29 09:20:04,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 09:20:04,562 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 35 [2020-10-29 09:20:04,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:20:04,562 INFO L225 Difference]: With dead ends: 52 [2020-10-29 09:20:04,562 INFO L226 Difference]: Without dead ends: 39 [2020-10-29 09:20:04,566 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2020-10-29 09:20:04,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-29 09:20:04,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2020-10-29 09:20:04,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-29 09:20:04,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2020-10-29 09:20:04,574 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 35 [2020-10-29 09:20:04,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:20:04,574 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2020-10-29 09:20:04,574 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 09:20:04,574 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2020-10-29 09:20:04,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-29 09:20:04,575 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:20:04,575 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:20:04,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 09:20:04,576 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:20:04,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:20:04,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1091874560, now seen corresponding path program 9 times [2020-10-29 09:20:04,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:20:04,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1171744634] [2020-10-29 09:20:04,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:20:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:04,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:04,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:09,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:09,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-29 09:20:09,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:20:09,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-29 09:20:09,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:09,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:09,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 09:20:09,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:20:09,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 09:20:09,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:10,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:20:10,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:10,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:10,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:10,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:20:10,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:10,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:20:10,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:10,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:10,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:10,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:10,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:10,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:10,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-29 09:20:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:10,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:10,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:10,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:20:10,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:10,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 09:20:10,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:10,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:10,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:10,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 09:20:10,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:10,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:10,103 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:20:10,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1171744634] [2020-10-29 09:20:10,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:20:10,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-29 09:20:10,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973737145] [2020-10-29 09:20:10,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 09:20:10,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:20:10,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 09:20:10,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2020-10-29 09:20:10,107 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand 13 states. [2020-10-29 09:20:10,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:20:10,318 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2020-10-29 09:20:10,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 09:20:10,319 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 37 [2020-10-29 09:20:10,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:20:10,320 INFO L225 Difference]: With dead ends: 53 [2020-10-29 09:20:10,320 INFO L226 Difference]: Without dead ends: 40 [2020-10-29 09:20:10,321 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2020-10-29 09:20:10,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-29 09:20:10,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-10-29 09:20:10,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-29 09:20:10,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2020-10-29 09:20:10,326 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 37 [2020-10-29 09:20:10,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:20:10,327 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2020-10-29 09:20:10,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 09:20:10,327 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2020-10-29 09:20:10,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-29 09:20:10,328 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:20:10,328 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:20:10,328 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 09:20:10,328 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:20:10,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:20:10,329 INFO L82 PathProgramCache]: Analyzing trace with hash -865719842, now seen corresponding path program 10 times [2020-10-29 09:20:10,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:20:10,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1226633297] [2020-10-29 09:20:10,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:20:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:10,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:11,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:11,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 09:20:11,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:11,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 689 [2020-10-29 09:20:11,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:11,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:11,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:20:11,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-29 09:20:11,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 09:20:11,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:11,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:20:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:11,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:11,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:11,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:20:11,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:11,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:20:11,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:11,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:11,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:11,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:11,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:11,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:11,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 09:20:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:11,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:11,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:11,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:20:11,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:11,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:20:11,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:11,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:11,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:11,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 09:20:11,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:11,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 09:20:11,402 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-29 09:20:11,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1226633297] [2020-10-29 09:20:11,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:20:11,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 09:20:11,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205058569] [2020-10-29 09:20:11,406 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 09:20:11,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:20:11,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 09:20:11,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-29 09:20:11,411 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand 6 states. [2020-10-29 09:20:11,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:20:11,567 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2020-10-29 09:20:11,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 09:20:11,569 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-10-29 09:20:11,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:20:11,571 INFO L225 Difference]: With dead ends: 51 [2020-10-29 09:20:11,571 INFO L226 Difference]: Without dead ends: 42 [2020-10-29 09:20:11,572 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-29 09:20:11,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-29 09:20:11,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-10-29 09:20:11,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-29 09:20:11,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2020-10-29 09:20:11,577 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 39 [2020-10-29 09:20:11,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:20:11,578 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2020-10-29 09:20:11,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 09:20:11,578 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2020-10-29 09:20:11,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-29 09:20:11,579 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:20:11,579 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:20:11,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 09:20:11,579 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:20:11,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:20:11,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1948007037, now seen corresponding path program 1 times [2020-10-29 09:20:11,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:20:11,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1655392773] [2020-10-29 09:20:11,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:20:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:11,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:12,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:13,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:13,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-29 09:20:13,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:20:13,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2107 [2020-10-29 09:20:13,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:13,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:13,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 09:20:13,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:20:13,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-29 09:20:13,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:14,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:20:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:14,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:14,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:14,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:20:14,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:14,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:20:14,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:14,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:14,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:14,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:14,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:14,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:20:14,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 09:20:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:14,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:14,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:14,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:20:14,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:14,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 09:20:14,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:14,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:14,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:20:14,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:14,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:20:14,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:20:14,448 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-29 09:20:14,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1655392773] [2020-10-29 09:20:14,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:20:14,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 09:20:14,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068545337] [2020-10-29 09:20:14,450 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 09:20:14,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:20:14,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 09:20:14,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-29 09:20:14,451 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 11 states. [2020-10-29 09:20:14,741 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2020-10-29 09:20:15,077 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2020-10-29 09:20:15,244 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 47 [2020-10-29 09:20:15,593 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2020-10-29 09:20:15,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:20:15,612 INFO L93 Difference]: Finished difference Result 42 states and 43 transitions. [2020-10-29 09:20:15,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 09:20:15,613 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 41 [2020-10-29 09:20:15,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:20:15,614 INFO L225 Difference]: With dead ends: 42 [2020-10-29 09:20:15,614 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 09:20:15,615 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-10-29 09:20:15,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 09:20:15,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 09:20:15,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 09:20:15,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 09:20:15,616 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2020-10-29 09:20:15,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:20:15,616 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 09:20:15,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 09:20:15,616 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 09:20:15,617 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 09:20:15,617 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 09:20:15,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 09:20:15,933 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2020-10-29 09:20:15,962 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-29 09:20:15,963 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-29 09:20:15,963 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-29 09:20:15,963 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-29 09:20:15,963 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 09:20:15,964 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-29 09:20:15,964 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 09:20:15,964 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 09:20:15,964 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-29 09:20:15,964 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 09:20:15,964 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 09:20:15,964 INFO L274 CegarLoopResult]: For program point L29-2(lines 29 34) no Hoare annotation was computed. [2020-10-29 09:20:15,965 INFO L270 CegarLoopResult]: At program point L29-3(lines 29 34) the Hoare annotation is: (and (not (= |main_~#dummy~0.base| |main_~#a~0.base|)) (not (= |main_~#dummy~0.base| |main_~#cont~0.base|)) (not (= |main_~#dummies~0.base| |main_~#a~0.base|)) (not (= |main_~#cont~0.base| |main_~#a~0.base|)) (not (= |main_~#dummies~0.base| |main_~#dummy~0.base|)) (not (= |main_~#dummies~0.base| |main_~#cont~0.base|))) [2020-10-29 09:20:15,965 INFO L274 CegarLoopResult]: For program point L29-4(lines 22 56) no Hoare annotation was computed. [2020-10-29 09:20:15,965 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 21 56) no Hoare annotation was computed. [2020-10-29 09:20:15,965 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-29 09:20:15,965 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-29 09:20:15,965 INFO L274 CegarLoopResult]: For program point L46-1(lines 46 48) no Hoare annotation was computed. [2020-10-29 09:20:15,965 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 21 56) no Hoare annotation was computed. [2020-10-29 09:20:15,966 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 21 56) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-10-29 09:20:15,966 INFO L270 CegarLoopResult]: At program point L47(lines 22 56) the Hoare annotation is: false [2020-10-29 09:20:15,966 INFO L274 CegarLoopResult]: For program point L43-1(lines 43 45) no Hoare annotation was computed. [2020-10-29 09:20:15,966 INFO L274 CegarLoopResult]: For program point L41(lines 41 49) no Hoare annotation was computed. [2020-10-29 09:20:15,966 INFO L270 CegarLoopResult]: At program point L43-3(lines 43 45) the Hoare annotation is: (let ((.cse2 (select (select |#memory_int| main_~pa~0.base) main_~pa~0.offset))) (let ((.cse3 (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (.cse4 (+ (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|) (* .cse2 4)))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse3) .cse4)) (.cse1 (select (select |#memory_$Pointer$.offset| .cse3) .cse4))) (and (= main_~pa~0.base (select (select |#memory_$Pointer$.base| .cse0) .cse1)) (not (= |main_~#dummy~0.base| |main_~#a~0.base|)) (not (= |main_~#dummy~0.base| |main_~#cont~0.base|)) (= (+ (select (select |#memory_$Pointer$.offset| .cse0) .cse1) 4) main_~pa~0.offset) (not (= |main_~#dummies~0.base| |main_~#a~0.base|)) (not (= |main_~#cont~0.base| |main_~#a~0.base|)) (not (= |main_~#dummies~0.base| |main_~#dummy~0.base|)) (<= main_~i~0 .cse2) (not (= |main_~#dummies~0.base| |main_~#cont~0.base|)))))) [2020-10-29 09:20:15,967 INFO L270 CegarLoopResult]: At program point L43-4(lines 43 45) the Hoare annotation is: (let ((.cse8 (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (.cse2 (select (select |#memory_int| main_~pa~0.base) main_~pa~0.offset)) (.cse10 (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|))) (let ((.cse5 (select |#memory_$Pointer$.offset| .cse10)) (.cse7 (select |#memory_$Pointer$.base| .cse10)) (.cse9 (+ .cse8 (* .cse2 4)))) (let ((.cse0 (select .cse7 .cse9)) (.cse1 (select .cse5 .cse9))) (and (= main_~pa~0.base (select (select |#memory_$Pointer$.base| .cse0) .cse1)) (not (= |main_~#dummy~0.base| |main_~#a~0.base|)) (not (= |main_~#dummy~0.base| |main_~#cont~0.base|)) (= (+ (select (select |#memory_$Pointer$.offset| .cse0) .cse1) 4) main_~pa~0.offset) (not (= |main_~#dummies~0.base| |main_~#a~0.base|)) (not (= |main_~#cont~0.base| |main_~#a~0.base|)) (not (= |main_~#dummies~0.base| |main_~#dummy~0.base|)) (<= main_~i~0 .cse2) (= (let ((.cse6 (+ .cse8 (* main_~i~0 4)))) (let ((.cse3 (select .cse7 .cse6)) (.cse4 (select .cse5 .cse6))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| .cse3) .cse4)) (+ (select (select |#memory_$Pointer$.offset| .cse3) .cse4) 4)))) main_~i~0) (not (= |main_~#dummies~0.base| |main_~#cont~0.base|)))))) [2020-10-29 09:20:15,967 INFO L274 CegarLoopResult]: For program point L35(lines 35 50) no Hoare annotation was computed. [2020-10-29 09:20:15,967 INFO L277 CegarLoopResult]: At program point checkENTRY(lines 16 19) the Hoare annotation is: true [2020-10-29 09:20:15,967 INFO L274 CegarLoopResult]: For program point checkFINAL(lines 16 19) no Hoare annotation was computed. [2020-10-29 09:20:15,967 INFO L274 CegarLoopResult]: For program point checkEXIT(lines 16 19) no Hoare annotation was computed. [2020-10-29 09:20:15,983 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:15,984 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:15,984 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:15,985 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:15,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:15,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:15,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:15,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:15,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:15,988 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:15,988 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:15,988 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:15,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:15,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:15,994 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:15,994 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:15,994 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:15,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:15,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:20:15,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:15,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:15,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:15,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:20:15,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:15,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:15,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:15,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:15,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:20:15,997 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:15,997 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:15,997 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:15,997 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:20:15,998 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:20:16,003 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:16,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:16,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:16,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:16,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:16,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:16,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:16,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:16,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:16,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:16,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:16,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:16,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:16,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:16,010 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,010 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,010 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,011 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,013 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:20:16,013 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:20:16,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:20:16,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:20:16,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:20:16,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 09:20:16 BoogieIcfgContainer [2020-10-29 09:20:16,028 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 09:20:16,033 INFO L168 Benchmark]: Toolchain (without parser) took 36162.14 ms. Allocated memory was 164.6 MB in the beginning and 682.6 MB in the end (delta: 518.0 MB). Free memory was 139.6 MB in the beginning and 534.9 MB in the end (delta: -395.4 MB). Peak memory consumption was 123.3 MB. Max. memory is 8.0 GB. [2020-10-29 09:20:16,036 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 164.6 MB. Free memory was 138.7 MB in the beginning and 138.6 MB in the end (delta: 88.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 09:20:16,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.82 ms. Allocated memory is still 164.6 MB. Free memory was 138.9 MB in the beginning and 128.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-10-29 09:20:16,037 INFO L168 Benchmark]: Boogie Preprocessor took 86.36 ms. Allocated memory is still 164.6 MB. Free memory was 128.9 MB in the beginning and 126.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-29 09:20:16,040 INFO L168 Benchmark]: RCFGBuilder took 534.32 ms. Allocated memory is still 164.6 MB. Free memory was 126.4 MB in the beginning and 107.3 MB in the end (delta: 19.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2020-10-29 09:20:16,043 INFO L168 Benchmark]: TraceAbstraction took 35219.51 ms. Allocated memory was 164.6 MB in the beginning and 682.6 MB in the end (delta: 518.0 MB). Free memory was 146.6 MB in the beginning and 534.9 MB in the end (delta: -388.4 MB). Peak memory consumption was 129.8 MB. Max. memory is 8.0 GB. [2020-10-29 09:20:16,050 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 164.6 MB. Free memory was 138.7 MB in the beginning and 138.6 MB in the end (delta: 88.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 291.82 ms. Allocated memory is still 164.6 MB. Free memory was 138.9 MB in the beginning and 128.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 86.36 ms. Allocated memory is still 164.6 MB. Free memory was 128.9 MB in the beginning and 126.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 534.32 ms. Allocated memory is still 164.6 MB. Free memory was 126.4 MB in the beginning and 107.3 MB in the end (delta: 19.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 35219.51 ms. Allocated memory was 164.6 MB in the beginning and 682.6 MB in the end (delta: 518.0 MB). Free memory was 146.6 MB in the beginning and 534.9 MB in the end (delta: -388.4 MB). Peak memory consumption was 129.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 43]: Loop Invariant [2020-10-29 09:20:16,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:16,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:16,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:16,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:16,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:16,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:16,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:16,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:16,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:16,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:16,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:16,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:16,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:16,061 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:16,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:20:16,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:20:16,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:20:16,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:20:16,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:20:16,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:16,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:16,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:16,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:16,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:16,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:16,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:16,067 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:16,067 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:16,067 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:16,067 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:16,067 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:16,068 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:20:16,068 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:20:16,068 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,068 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,069 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,069 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,069 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:20:16,069 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,069 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:20:16,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:20:16,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:20:16,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:20:16,072 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((((pa == #memory_$Pointer$[#memory_$Pointer$[#memory_$Pointer$[cont][cont]][#memory_$Pointer$[cont][cont] + unknown-#memory_int-unknown[pa][pa] * 4]][#memory_$Pointer$[#memory_$Pointer$[cont][cont]][#memory_$Pointer$[cont][cont] + unknown-#memory_int-unknown[pa][pa] * 4]] && !(dummy == a)) && !(dummy == cont)) && #memory_$Pointer$[#memory_$Pointer$[#memory_$Pointer$[cont][cont]][#memory_$Pointer$[cont][cont] + unknown-#memory_int-unknown[pa][pa] * 4]][#memory_$Pointer$[#memory_$Pointer$[cont][cont]][#memory_$Pointer$[cont][cont] + unknown-#memory_int-unknown[pa][pa] * 4]] + 4 == pa) && !(dummies == a)) && !(cont == a)) && !(dummies == dummy)) && i <= unknown-#memory_int-unknown[pa][pa]) && !(dummies == cont) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((!(dummy == a) && !(dummy == cont)) && !(dummies == a)) && !(cont == a)) && !(dummies == dummy)) && !(dummies == cont) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 34.6s, OverallIterations: 12, TraceHistogramMax: 10, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 213 SDtfs, 99 SDslu, 823 SDs, 0 SdLazy, 687 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 9 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 32 PreInvPairs, 45 NumberOfFragments, 405 HoareAnnotationTreeSize, 32 FomulaSimplifications, 284 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 185 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 30.3s InterpolantComputationTime, 359 NumberOfCodeBlocks, 359 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 347 ConstructedInterpolants, 0 QuantifiedInterpolants, 81049 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 200/487 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...