/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/psyco/psyco_security.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 16:07:29,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 16:07:29,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 16:07:29,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 16:07:29,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 16:07:29,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 16:07:29,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 16:07:29,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 16:07:29,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 16:07:29,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 16:07:29,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 16:07:29,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 16:07:29,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 16:07:29,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 16:07:29,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 16:07:29,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 16:07:29,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 16:07:29,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 16:07:29,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 16:07:29,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 16:07:29,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 16:07:29,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 16:07:29,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 16:07:29,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 16:07:29,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 16:07:29,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 16:07:29,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 16:07:29,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 16:07:29,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 16:07:29,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 16:07:29,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 16:07:29,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 16:07:29,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 16:07:29,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 16:07:29,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 16:07:29,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 16:07:29,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 16:07:29,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 16:07:29,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 16:07:29,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 16:07:29,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 16:07:29,161 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 16:07:29,198 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 16:07:29,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 16:07:29,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 16:07:29,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 16:07:29,202 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 16:07:29,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 16:07:29,202 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 16:07:29,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 16:07:29,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 16:07:29,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 16:07:29,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 16:07:29,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 16:07:29,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 16:07:29,204 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 16:07:29,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 16:07:29,204 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 16:07:29,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 16:07:29,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 16:07:29,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 16:07:29,206 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 16:07:29,207 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 16:07:29,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:07:29,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 16:07:29,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 16:07:29,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 16:07:29,208 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 16:07:29,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 16:07:29,209 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 16:07:29,209 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 16:07:29,209 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 16:07:29,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 16:07:29,719 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 16:07:29,723 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 16:07:29,725 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 16:07:29,725 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 16:07:29,727 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_security.c [2020-09-24 16:07:29,801 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d737c9ca0/94d88792610a40f29aff0535ae368307/FLAG268431217 [2020-09-24 16:07:30,347 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 16:07:30,350 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/psyco/psyco_security.c [2020-09-24 16:07:30,367 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d737c9ca0/94d88792610a40f29aff0535ae368307/FLAG268431217 [2020-09-24 16:07:30,684 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d737c9ca0/94d88792610a40f29aff0535ae368307 [2020-09-24 16:07:30,699 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 16:07:30,706 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 16:07:30,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 16:07:30,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 16:07:30,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 16:07:30,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:07:30" (1/1) ... [2020-09-24 16:07:30,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ad355a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:07:30, skipping insertion in model container [2020-09-24 16:07:30,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:07:30" (1/1) ... [2020-09-24 16:07:30,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 16:07:30,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 16:07:31,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:07:31,021 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 16:07:31,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:07:31,191 INFO L208 MainTranslator]: Completed translation [2020-09-24 16:07:31,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:07:31 WrapperNode [2020-09-24 16:07:31,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 16:07:31,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 16:07:31,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 16:07:31,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 16:07:31,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:07:31" (1/1) ... [2020-09-24 16:07:31,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:07:31" (1/1) ... [2020-09-24 16:07:31,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:07:31" (1/1) ... [2020-09-24 16:07:31,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:07:31" (1/1) ... [2020-09-24 16:07:31,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:07:31" (1/1) ... [2020-09-24 16:07:31,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:07:31" (1/1) ... [2020-09-24 16:07:31,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:07:31" (1/1) ... [2020-09-24 16:07:31,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 16:07:31,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 16:07:31,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 16:07:31,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 16:07:31,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:07:31" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:07:31,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 16:07:31,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 16:07:31,330 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 16:07:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 16:07:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 16:07:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 16:07:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 16:07:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 16:07:31,979 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 16:07:31,980 INFO L295 CfgBuilder]: Removed 18 assume(true) statements. [2020-09-24 16:07:31,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:07:31 BoogieIcfgContainer [2020-09-24 16:07:31,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 16:07:31,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 16:07:31,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 16:07:31,993 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 16:07:31,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:07:30" (1/3) ... [2020-09-24 16:07:31,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20caa6c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:07:31, skipping insertion in model container [2020-09-24 16:07:31,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:07:31" (2/3) ... [2020-09-24 16:07:31,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20caa6c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:07:31, skipping insertion in model container [2020-09-24 16:07:31,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:07:31" (3/3) ... [2020-09-24 16:07:31,998 INFO L109 eAbstractionObserver]: Analyzing ICFG psyco_security.c [2020-09-24 16:07:32,010 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 16:07:32,020 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 16:07:32,043 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 16:07:32,077 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 16:07:32,078 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 16:07:32,078 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 16:07:32,078 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 16:07:32,078 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 16:07:32,078 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 16:07:32,079 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 16:07:32,079 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 16:07:32,108 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2020-09-24 16:07:32,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-24 16:07:32,118 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:07:32,119 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:07:32,120 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:07:32,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:07:32,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1507146259, now seen corresponding path program 1 times [2020-09-24 16:07:32,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:07:32,140 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [406115593] [2020-09-24 16:07:32,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:07:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:07:32,272 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:07:32,273 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:07:32,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:07:32,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:07:32,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 16:07:32,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:07:32,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 16:07:32,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:07:32,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:07:32,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-24 16:07:32,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:07:32,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:07:32,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:07:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:07:32,366 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:07:32,367 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:07:32,367 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:07:32,367 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:07:32,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:07:32,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:07:32,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:07:32,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:07:32,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:07:32,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:07:32,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:07:32,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:07:32,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:07:32,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [406115593] [2020-09-24 16:07:32,415 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:07:32,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 16:07:32,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669392315] [2020-09-24 16:07:32,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 16:07:32,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:07:32,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 16:07:32,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 16:07:32,444 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 3 states. [2020-09-24 16:07:32,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:07:32,533 INFO L93 Difference]: Finished difference Result 369 states and 507 transitions. [2020-09-24 16:07:32,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 16:07:32,536 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-09-24 16:07:32,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:07:32,554 INFO L225 Difference]: With dead ends: 369 [2020-09-24 16:07:32,554 INFO L226 Difference]: Without dead ends: 178 [2020-09-24 16:07:32,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 16:07:32,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-09-24 16:07:32,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2020-09-24 16:07:32,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-09-24 16:07:32,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 213 transitions. [2020-09-24 16:07:32,627 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 213 transitions. Word has length 22 [2020-09-24 16:07:32,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:07:32,628 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 213 transitions. [2020-09-24 16:07:32,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 16:07:32,628 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 213 transitions. [2020-09-24 16:07:32,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-09-24 16:07:32,630 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:07:32,630 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:07:32,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 16:07:32,630 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:07:32,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:07:32,631 INFO L82 PathProgramCache]: Analyzing trace with hash -946920198, now seen corresponding path program 1 times [2020-09-24 16:07:32,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:07:32,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2034479489] [2020-09-24 16:07:32,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:07:32,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:07:32,664 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:07:32,665 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:07:32,665 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:07:32,665 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:07:32,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-24 16:07:32,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:07:32,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 16:07:32,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:07:32,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:07:32,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-24 16:07:32,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:07:32,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:07:32,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:07:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:07:32,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:07:32,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:07:32,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:07:32,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:07:32,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:07:32,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:07:32,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:07:32,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:07:32,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:07:32,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:07:32,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:07:32,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:07:32,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:07:32,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2034479489] [2020-09-24 16:07:32,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:07:32,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 16:07:32,748 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513419395] [2020-09-24 16:07:32,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 16:07:32,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:07:32,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 16:07:32,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 16:07:32,751 INFO L87 Difference]: Start difference. First operand 178 states and 213 transitions. Second operand 4 states. [2020-09-24 16:07:33,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:07:33,237 INFO L93 Difference]: Finished difference Result 346 states and 417 transitions. [2020-09-24 16:07:33,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 16:07:33,237 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-09-24 16:07:33,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:07:33,240 INFO L225 Difference]: With dead ends: 346 [2020-09-24 16:07:33,240 INFO L226 Difference]: Without dead ends: 181 [2020-09-24 16:07:33,242 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 16:07:33,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-09-24 16:07:33,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2020-09-24 16:07:33,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-09-24 16:07:33,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 216 transitions. [2020-09-24 16:07:33,260 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 216 transitions. Word has length 23 [2020-09-24 16:07:33,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:07:33,261 INFO L479 AbstractCegarLoop]: Abstraction has 181 states and 216 transitions. [2020-09-24 16:07:33,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 16:07:33,261 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 216 transitions. [2020-09-24 16:07:33,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-09-24 16:07:33,263 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:07:33,263 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:07:33,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 16:07:33,263 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:07:33,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:07:33,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1840173547, now seen corresponding path program 1 times [2020-09-24 16:07:33,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:07:33,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [366294336] [2020-09-24 16:07:33,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:07:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:07:33,283 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:07:33,283 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:07:33,284 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:07:33,284 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:07:33,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-24 16:07:33,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:07:33,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 16:07:33,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:07:33,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:07:33,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-24 16:07:33,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 16:07:33,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:07:33,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:07:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:07:33,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:07:33,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:07:33,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:07:33,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:07:33,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:07:33,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:07:33,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:07:33,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:07:33,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:07:33,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:07:33,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:07:33,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:07:33,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:07:33,357 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [366294336] [2020-09-24 16:07:33,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:07:33,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 16:07:33,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854461142] [2020-09-24 16:07:33,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 16:07:33,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:07:33,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 16:07:33,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 16:07:33,359 INFO L87 Difference]: Start difference. First operand 181 states and 216 transitions. Second operand 4 states. [2020-09-24 16:07:33,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:07:33,460 INFO L93 Difference]: Finished difference Result 330 states and 397 transitions. [2020-09-24 16:07:33,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 16:07:33,460 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-09-24 16:07:33,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:07:33,462 INFO L225 Difference]: With dead ends: 330 [2020-09-24 16:07:33,463 INFO L226 Difference]: Without dead ends: 163 [2020-09-24 16:07:33,464 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 16:07:33,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-09-24 16:07:33,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2020-09-24 16:07:33,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-09-24 16:07:33,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 193 transitions. [2020-09-24 16:07:33,478 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 193 transitions. Word has length 32 [2020-09-24 16:07:33,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:07:33,478 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 193 transitions. [2020-09-24 16:07:33,478 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 16:07:33,478 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 193 transitions. [2020-09-24 16:07:33,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-09-24 16:07:33,480 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:07:33,481 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:07:33,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 16:07:33,481 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:07:33,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:07:33,482 INFO L82 PathProgramCache]: Analyzing trace with hash 576498569, now seen corresponding path program 1 times [2020-09-24 16:07:33,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:07:33,482 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1806730172] [2020-09-24 16:07:33,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:07:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:07:33,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:07:33,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:07:33,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:07:33,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:07:33,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-24 16:07:33,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:07:33,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:07:33,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:07:33,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:07:33,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 16:07:33,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 16:07:33,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:07:33,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:07:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:07:33,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:07:33,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:07:33,598 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:07:33,598 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:07:33,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:07:33,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:07:33,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:07:33,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:07:33,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:07:33,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:07:33,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:07:33,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:07:33,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:07:33,621 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1806730172] [2020-09-24 16:07:33,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:07:33,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 16:07:33,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367490013] [2020-09-24 16:07:33,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 16:07:33,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:07:33,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 16:07:33,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 16:07:33,626 INFO L87 Difference]: Start difference. First operand 163 states and 193 transitions. Second operand 4 states. [2020-09-24 16:07:34,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:07:34,085 INFO L93 Difference]: Finished difference Result 429 states and 517 transitions. [2020-09-24 16:07:34,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 16:07:34,085 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2020-09-24 16:07:34,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:07:34,087 INFO L225 Difference]: With dead ends: 429 [2020-09-24 16:07:34,088 INFO L226 Difference]: Without dead ends: 275 [2020-09-24 16:07:34,089 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 16:07:34,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-09-24 16:07:34,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 243. [2020-09-24 16:07:34,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-09-24 16:07:34,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 288 transitions. [2020-09-24 16:07:34,106 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 288 transitions. Word has length 39 [2020-09-24 16:07:34,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:07:34,106 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 288 transitions. [2020-09-24 16:07:34,107 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 16:07:34,107 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 288 transitions. [2020-09-24 16:07:34,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-09-24 16:07:34,109 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:07:34,109 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:07:34,109 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 16:07:34,109 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:07:34,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:07:34,110 INFO L82 PathProgramCache]: Analyzing trace with hash -47890514, now seen corresponding path program 1 times [2020-09-24 16:07:34,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:07:34,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1950250507] [2020-09-24 16:07:34,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:07:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:07:34,127 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:07:34,128 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:07:34,128 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:07:34,128 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:07:34,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-24 16:07:34,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:07:34,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:07:34,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:07:34,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:07:34,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-24 16:07:34,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:07:34,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:07:34,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:07:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:07:34,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:07:34,204 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:07:34,204 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:07:34,204 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:07:34,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:07:34,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:07:34,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:07:34,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:07:34,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:07:34,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:07:34,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:07:34,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 16:07:34,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:07:34,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1950250507] [2020-09-24 16:07:34,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:07:34,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 16:07:34,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115900717] [2020-09-24 16:07:34,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 16:07:34,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:07:34,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 16:07:34,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 16:07:34,223 INFO L87 Difference]: Start difference. First operand 243 states and 288 transitions. Second operand 4 states. [2020-09-24 16:07:34,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:07:34,539 INFO L93 Difference]: Finished difference Result 407 states and 484 transitions. [2020-09-24 16:07:34,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 16:07:34,539 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2020-09-24 16:07:34,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:07:34,541 INFO L225 Difference]: With dead ends: 407 [2020-09-24 16:07:34,541 INFO L226 Difference]: Without dead ends: 188 [2020-09-24 16:07:34,542 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 16:07:34,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-09-24 16:07:34,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 186. [2020-09-24 16:07:34,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-09-24 16:07:34,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 218 transitions. [2020-09-24 16:07:34,552 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 218 transitions. Word has length 40 [2020-09-24 16:07:34,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:07:34,552 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 218 transitions. [2020-09-24 16:07:34,553 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 16:07:34,553 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 218 transitions. [2020-09-24 16:07:34,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-09-24 16:07:34,555 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:07:34,555 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:07:34,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 16:07:34,556 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:07:34,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:07:34,556 INFO L82 PathProgramCache]: Analyzing trace with hash 946604760, now seen corresponding path program 1 times [2020-09-24 16:07:34,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:07:34,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1885903847] [2020-09-24 16:07:34,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:07:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:07:34,574 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:07:34,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:07:34,575 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:07:34,575 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:07:34,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 16:07:34,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:07:34,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:07:34,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:07:34,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:07:34,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-24 16:07:34,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:07:34,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:07:34,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:07:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:07:34,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:07:34,637 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:07:34,637 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:07:34,637 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:07:34,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:07:34,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:07:34,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:07:34,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:07:34,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:07:34,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:07:34,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:07:34,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 16:07:34,655 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 16:07:34,656 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1885903847] [2020-09-24 16:07:34,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:07:34,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 16:07:34,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703144693] [2020-09-24 16:07:34,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 16:07:34,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:07:34,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 16:07:34,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 16:07:34,658 INFO L87 Difference]: Start difference. First operand 186 states and 218 transitions. Second operand 4 states. [2020-09-24 16:07:34,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:07:34,818 INFO L93 Difference]: Finished difference Result 301 states and 357 transitions. [2020-09-24 16:07:34,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 16:07:34,819 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2020-09-24 16:07:34,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:07:34,820 INFO L225 Difference]: With dead ends: 301 [2020-09-24 16:07:34,820 INFO L226 Difference]: Without dead ends: 158 [2020-09-24 16:07:34,821 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 16:07:34,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-09-24 16:07:34,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2020-09-24 16:07:34,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-09-24 16:07:34,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 184 transitions. [2020-09-24 16:07:34,830 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 184 transitions. Word has length 50 [2020-09-24 16:07:34,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:07:34,830 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 184 transitions. [2020-09-24 16:07:34,831 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 16:07:34,831 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 184 transitions. [2020-09-24 16:07:34,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-24 16:07:34,833 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:07:34,833 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:07:34,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 16:07:34,833 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:07:34,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:07:34,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1459500481, now seen corresponding path program 1 times [2020-09-24 16:07:34,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:07:34,834 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1455541882] [2020-09-24 16:07:34,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:07:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:07:34,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:07:34,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:07:34,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:07:34,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:07:34,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 16:07:34,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:07:34,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:07:34,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:07:34,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:07:34,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-09-24 16:07:34,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 16:07:34,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:07:34,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:07:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:07:34,915 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:07:34,915 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:07:34,915 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:07:34,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:07:34,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:07:34,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:07:34,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:07:34,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:07:34,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:07:34,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:07:34,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:07:34,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:07:34,930 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 16:07:34,931 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1455541882] [2020-09-24 16:07:34,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:07:34,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 16:07:34,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035628936] [2020-09-24 16:07:34,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 16:07:34,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:07:34,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 16:07:34,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 16:07:34,935 INFO L87 Difference]: Start difference. First operand 158 states and 184 transitions. Second operand 4 states. [2020-09-24 16:07:35,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:07:35,336 INFO L93 Difference]: Finished difference Result 356 states and 426 transitions. [2020-09-24 16:07:35,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 16:07:35,337 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-24 16:07:35,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:07:35,340 INFO L225 Difference]: With dead ends: 356 [2020-09-24 16:07:35,340 INFO L226 Difference]: Without dead ends: 248 [2020-09-24 16:07:35,341 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 16:07:35,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-09-24 16:07:35,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 223. [2020-09-24 16:07:35,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-09-24 16:07:35,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 262 transitions. [2020-09-24 16:07:35,354 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 262 transitions. Word has length 51 [2020-09-24 16:07:35,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:07:35,354 INFO L479 AbstractCegarLoop]: Abstraction has 223 states and 262 transitions. [2020-09-24 16:07:35,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 16:07:35,355 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 262 transitions. [2020-09-24 16:07:35,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-24 16:07:35,360 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:07:35,361 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:07:35,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 16:07:35,361 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:07:35,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:07:35,362 INFO L82 PathProgramCache]: Analyzing trace with hash -389028907, now seen corresponding path program 1 times [2020-09-24 16:07:35,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:07:35,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [536881351] [2020-09-24 16:07:35,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:07:35,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:07:35,384 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:07:35,384 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:07:35,385 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:07:35,385 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:07:35,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-24 16:07:35,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:07:35,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:07:35,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:07:35,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:07:35,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-24 16:07:35,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:07:35,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:07:35,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:07:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:07:35,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:07:35,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:07:35,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:07:35,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:07:35,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:07:35,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:07:35,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:07:35,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:07:35,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:07:35,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:07:35,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:07:35,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:07:35,432 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 16:07:35,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [536881351] [2020-09-24 16:07:35,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:07:35,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 16:07:35,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455570229] [2020-09-24 16:07:35,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 16:07:35,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:07:35,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 16:07:35,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 16:07:35,434 INFO L87 Difference]: Start difference. First operand 223 states and 262 transitions. Second operand 4 states. [2020-09-24 16:07:35,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:07:35,681 INFO L93 Difference]: Finished difference Result 369 states and 437 transitions. [2020-09-24 16:07:35,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 16:07:35,682 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-24 16:07:35,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:07:35,684 INFO L225 Difference]: With dead ends: 369 [2020-09-24 16:07:35,685 INFO L226 Difference]: Without dead ends: 199 [2020-09-24 16:07:35,686 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 16:07:35,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-09-24 16:07:35,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 197. [2020-09-24 16:07:35,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-09-24 16:07:35,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 228 transitions. [2020-09-24 16:07:35,694 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 228 transitions. Word has length 52 [2020-09-24 16:07:35,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:07:35,695 INFO L479 AbstractCegarLoop]: Abstraction has 197 states and 228 transitions. [2020-09-24 16:07:35,695 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 16:07:35,695 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 228 transitions. [2020-09-24 16:07:35,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-24 16:07:35,696 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:07:35,696 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:07:35,696 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 16:07:35,696 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:07:35,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:07:35,697 INFO L82 PathProgramCache]: Analyzing trace with hash 910217494, now seen corresponding path program 1 times [2020-09-24 16:07:35,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:07:35,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [922475289] [2020-09-24 16:07:35,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:07:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:07:35,711 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:07:35,711 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:07:35,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:07:35,711 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:07:35,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-24 16:07:35,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:07:35,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:07:35,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:07:35,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:07:35,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-24 16:07:35,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:07:35,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:07:35,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:07:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:07:35,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:07:35,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:07:35,772 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:07:35,772 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:07:35,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:07:35,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:07:35,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:07:35,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:07:35,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:07:35,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:07:35,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:07:35,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:07:35,781 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 16:07:35,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [922475289] [2020-09-24 16:07:35,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:07:35,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 16:07:35,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384244267] [2020-09-24 16:07:35,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 16:07:35,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:07:35,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 16:07:35,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 16:07:35,788 INFO L87 Difference]: Start difference. First operand 197 states and 228 transitions. Second operand 4 states. [2020-09-24 16:07:35,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:07:35,995 INFO L93 Difference]: Finished difference Result 300 states and 348 transitions. [2020-09-24 16:07:35,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 16:07:35,995 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-09-24 16:07:35,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:07:35,997 INFO L225 Difference]: With dead ends: 300 [2020-09-24 16:07:35,997 INFO L226 Difference]: Without dead ends: 156 [2020-09-24 16:07:35,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 16:07:35,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-09-24 16:07:36,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2020-09-24 16:07:36,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-09-24 16:07:36,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 175 transitions. [2020-09-24 16:07:36,004 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 175 transitions. Word has length 54 [2020-09-24 16:07:36,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:07:36,005 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 175 transitions. [2020-09-24 16:07:36,005 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 16:07:36,005 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 175 transitions. [2020-09-24 16:07:36,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-24 16:07:36,006 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:07:36,006 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:07:36,006 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 16:07:36,006 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:07:36,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:07:36,007 INFO L82 PathProgramCache]: Analyzing trace with hash 57784286, now seen corresponding path program 1 times [2020-09-24 16:07:36,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:07:36,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1080048978] [2020-09-24 16:07:36,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:07:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:07:36,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:07:36,020 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:07:36,020 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:07:36,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:07:36,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 16:07:36,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:07:36,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:07:36,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:07:36,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:07:36,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-24 16:07:36,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 16:07:36,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:07:36,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:07:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:07:36,061 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:07:36,062 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:07:36,062 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:07:36,062 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:07:36,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:07:36,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:07:36,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:07:36,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:07:36,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:07:36,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:07:36,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:07:36,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:07:36,070 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 16:07:36,070 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1080048978] [2020-09-24 16:07:36,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:07:36,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 16:07:36,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442462146] [2020-09-24 16:07:36,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 16:07:36,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:07:36,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 16:07:36,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 16:07:36,072 INFO L87 Difference]: Start difference. First operand 156 states and 175 transitions. Second operand 4 states. [2020-09-24 16:07:36,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:07:36,274 INFO L93 Difference]: Finished difference Result 158 states and 176 transitions. [2020-09-24 16:07:36,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 16:07:36,275 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2020-09-24 16:07:36,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:07:36,276 INFO L225 Difference]: With dead ends: 158 [2020-09-24 16:07:36,276 INFO L226 Difference]: Without dead ends: 153 [2020-09-24 16:07:36,277 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 16:07:36,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-09-24 16:07:36,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2020-09-24 16:07:36,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-09-24 16:07:36,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 171 transitions. [2020-09-24 16:07:36,283 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 171 transitions. Word has length 55 [2020-09-24 16:07:36,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:07:36,283 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 171 transitions. [2020-09-24 16:07:36,284 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 16:07:36,284 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 171 transitions. [2020-09-24 16:07:36,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 16:07:36,285 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:07:36,285 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:07:36,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 16:07:36,285 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:07:36,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:07:36,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1987485698, now seen corresponding path program 1 times [2020-09-24 16:07:36,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:07:36,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [835290713] [2020-09-24 16:07:36,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:07:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:07:36,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:07:36,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:07:36,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:07:36,299 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:07:36,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 16:07:36,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:07:36,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:07:36,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:07:36,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:07:36,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-24 16:07:36,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 16:07:36,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:07:36,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:07:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:07:36,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:07:36,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:07:36,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:07:36,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:07:36,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:07:36,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:07:36,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:07:36,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:07:36,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:07:36,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:07:36,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:07:36,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:07:36,350 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 16:07:36,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [835290713] [2020-09-24 16:07:36,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:07:36,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 16:07:36,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332543016] [2020-09-24 16:07:36,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 16:07:36,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:07:36,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 16:07:36,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 16:07:36,352 INFO L87 Difference]: Start difference. First operand 153 states and 171 transitions. Second operand 4 states. [2020-09-24 16:07:36,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:07:36,565 INFO L93 Difference]: Finished difference Result 243 states and 275 transitions. [2020-09-24 16:07:36,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 16:07:36,565 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2020-09-24 16:07:36,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:07:36,566 INFO L225 Difference]: With dead ends: 243 [2020-09-24 16:07:36,566 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 16:07:36,567 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 16:07:36,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 16:07:36,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 16:07:36,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 16:07:36,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 16:07:36,568 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-09-24 16:07:36,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:07:36,568 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 16:07:36,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 16:07:36,568 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 16:07:36,569 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 16:07:36,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 16:07:36,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 16:07:36,795 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 18 [2020-09-24 16:07:36,864 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-24 16:07:36,864 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-24 16:07:36,865 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~m_update~0 |old(~m_update~0)|) (= ~m_initSign~0 |old(~m_initSign~0)|) (= ~m_sign~0 |old(~m_sign~0)|) (= ~m_verify~0 |old(~m_verify~0)|) (= ~m_Signature~0 |old(~m_Signature~0)|) (= ~m_initVerify~0 |old(~m_initVerify~0)|)) [2020-09-24 16:07:36,865 INFO L268 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2020-09-24 16:07:36,865 INFO L268 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-09-24 16:07:36,865 INFO L268 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-09-24 16:07:36,866 INFO L268 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2020-09-24 16:07:36,866 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 16:07:36,866 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 16:07:36,866 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-24 16:07:36,866 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 16:07:36,866 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 16:07:36,867 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 13 390) no Hoare annotation was computed. [2020-09-24 16:07:36,867 INFO L268 CegarLoopResult]: For program point L366(lines 366 377) no Hoare annotation was computed. [2020-09-24 16:07:36,867 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-09-24 16:07:36,867 INFO L268 CegarLoopResult]: For program point L300-1(lines 300 315) no Hoare annotation was computed. [2020-09-24 16:07:36,868 INFO L268 CegarLoopResult]: For program point L234(lines 234 245) no Hoare annotation was computed. [2020-09-24 16:07:36,868 INFO L268 CegarLoopResult]: For program point L300-2(line 300) no Hoare annotation was computed. [2020-09-24 16:07:36,868 INFO L268 CegarLoopResult]: For program point L300-3(line 300) no Hoare annotation was computed. [2020-09-24 16:07:36,868 INFO L268 CegarLoopResult]: For program point L102(lines 102 113) no Hoare annotation was computed. [2020-09-24 16:07:36,868 INFO L268 CegarLoopResult]: For program point L334(lines 334 345) no Hoare annotation was computed. [2020-09-24 16:07:36,869 INFO L268 CegarLoopResult]: For program point L268(line 268) no Hoare annotation was computed. [2020-09-24 16:07:36,869 INFO L268 CegarLoopResult]: For program point L202(lines 202 213) no Hoare annotation was computed. [2020-09-24 16:07:36,869 INFO L268 CegarLoopResult]: For program point L70(lines 70 72) no Hoare annotation was computed. [2020-09-24 16:07:36,869 INFO L268 CegarLoopResult]: For program point L368(line 368) no Hoare annotation was computed. [2020-09-24 16:07:36,869 INFO L268 CegarLoopResult]: For program point L302(lines 302 313) no Hoare annotation was computed. [2020-09-24 16:07:36,869 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 13 390) no Hoare annotation was computed. [2020-09-24 16:07:36,869 INFO L268 CegarLoopResult]: For program point L170(lines 170 172) no Hoare annotation was computed. [2020-09-24 16:07:36,869 INFO L268 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-09-24 16:07:36,870 INFO L268 CegarLoopResult]: For program point L270(lines 270 272) no Hoare annotation was computed. [2020-09-24 16:07:36,870 INFO L268 CegarLoopResult]: For program point L138(lines 138 140) no Hoare annotation was computed. [2020-09-24 16:07:36,870 INFO L268 CegarLoopResult]: For program point L370(lines 370 372) no Hoare annotation was computed. [2020-09-24 16:07:36,870 INFO L268 CegarLoopResult]: For program point L238(lines 238 240) no Hoare annotation was computed. [2020-09-24 16:07:36,870 INFO L268 CegarLoopResult]: For program point L106(lines 106 108) no Hoare annotation was computed. [2020-09-24 16:07:36,870 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-24 16:07:36,871 INFO L264 CegarLoopResult]: At program point L371(lines 13 390) the Hoare annotation is: false [2020-09-24 16:07:36,871 INFO L268 CegarLoopResult]: For program point L338(lines 338 340) no Hoare annotation was computed. [2020-09-24 16:07:36,871 INFO L268 CegarLoopResult]: For program point L206(lines 206 208) no Hoare annotation was computed. [2020-09-24 16:07:36,871 INFO L268 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-09-24 16:07:36,871 INFO L268 CegarLoopResult]: For program point L306(lines 306 308) no Hoare annotation was computed. [2020-09-24 16:07:36,871 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-09-24 16:07:36,871 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed. [2020-09-24 16:07:36,871 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-24 16:07:36,872 INFO L268 CegarLoopResult]: For program point L374(line 374) no Hoare annotation was computed. [2020-09-24 16:07:36,872 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-09-24 16:07:36,872 INFO L268 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-09-24 16:07:36,872 INFO L268 CegarLoopResult]: For program point L342(line 342) no Hoare annotation was computed. [2020-09-24 16:07:36,872 INFO L268 CegarLoopResult]: For program point L276(line 276) no Hoare annotation was computed. [2020-09-24 16:07:36,872 INFO L268 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-09-24 16:07:36,872 INFO L268 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-09-24 16:07:36,872 INFO L268 CegarLoopResult]: For program point L310(line 310) no Hoare annotation was computed. [2020-09-24 16:07:36,872 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-24 16:07:36,873 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 389) no Hoare annotation was computed. [2020-09-24 16:07:36,873 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-09-24 16:07:36,873 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-09-24 16:07:36,873 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-24 16:07:36,873 INFO L268 CegarLoopResult]: For program point L47(lines 47 98) no Hoare annotation was computed. [2020-09-24 16:07:36,873 INFO L268 CegarLoopResult]: For program point L80-1(lines 80 95) no Hoare annotation was computed. [2020-09-24 16:07:36,874 INFO L268 CegarLoopResult]: For program point L80-2(line 80) no Hoare annotation was computed. [2020-09-24 16:07:36,874 INFO L268 CegarLoopResult]: For program point L80-3(line 80) no Hoare annotation was computed. [2020-09-24 16:07:36,874 INFO L268 CegarLoopResult]: For program point L312(line 312) no Hoare annotation was computed. [2020-09-24 16:07:36,874 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-09-24 16:07:36,874 INFO L268 CegarLoopResult]: For program point L48-1(lines 48 63) no Hoare annotation was computed. [2020-09-24 16:07:36,874 INFO L268 CegarLoopResult]: For program point L48-2(line 48) no Hoare annotation was computed. [2020-09-24 16:07:36,874 INFO L268 CegarLoopResult]: For program point L48-3(line 48) no Hoare annotation was computed. [2020-09-24 16:07:36,874 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-24 16:07:36,875 INFO L268 CegarLoopResult]: For program point L148-1(lines 148 163) no Hoare annotation was computed. [2020-09-24 16:07:36,875 INFO L268 CegarLoopResult]: For program point L82(lines 82 93) no Hoare annotation was computed. [2020-09-24 16:07:36,875 INFO L268 CegarLoopResult]: For program point L148-2(line 148) no Hoare annotation was computed. [2020-09-24 16:07:36,875 INFO L268 CegarLoopResult]: For program point L148-3(line 148) no Hoare annotation was computed. [2020-09-24 16:07:36,875 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-24 16:07:36,875 INFO L268 CegarLoopResult]: For program point L248(line 248) no Hoare annotation was computed. [2020-09-24 16:07:36,875 INFO L268 CegarLoopResult]: For program point L248-1(lines 248 263) no Hoare annotation was computed. [2020-09-24 16:07:36,875 INFO L268 CegarLoopResult]: For program point L248-2(line 248) no Hoare annotation was computed. [2020-09-24 16:07:36,876 INFO L268 CegarLoopResult]: For program point L248-3(line 248) no Hoare annotation was computed. [2020-09-24 16:07:36,876 INFO L268 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-09-24 16:07:36,876 INFO L268 CegarLoopResult]: For program point L116-1(lines 116 131) no Hoare annotation was computed. [2020-09-24 16:07:36,876 INFO L268 CegarLoopResult]: For program point L50(lines 50 61) no Hoare annotation was computed. [2020-09-24 16:07:36,876 INFO L268 CegarLoopResult]: For program point L116-2(line 116) no Hoare annotation was computed. [2020-09-24 16:07:36,876 INFO L268 CegarLoopResult]: For program point L116-3(line 116) no Hoare annotation was computed. [2020-09-24 16:07:36,877 INFO L264 CegarLoopResult]: At program point L381(lines 22 385) the Hoare annotation is: (let ((.cse0 (<= main_~this_state~0 0))) (or (and .cse0 (= main_~q~0 0)) (and .cse0 (= main_~q~0 2)) (and (= main_~q~0 3) (= 2 main_~this_state~0)) (and (<= 4 main_~q~0) (= 3 main_~this_state~0)))) [2020-09-24 16:07:36,877 INFO L268 CegarLoopResult]: For program point L348(line 348) no Hoare annotation was computed. [2020-09-24 16:07:36,877 INFO L268 CegarLoopResult]: For program point L348-1(lines 348 363) no Hoare annotation was computed. [2020-09-24 16:07:36,877 INFO L268 CegarLoopResult]: For program point L348-2(line 348) no Hoare annotation was computed. [2020-09-24 16:07:36,877 INFO L268 CegarLoopResult]: For program point L348-3(line 348) no Hoare annotation was computed. [2020-09-24 16:07:36,877 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-09-24 16:07:36,877 INFO L268 CegarLoopResult]: For program point L183(lines 183 282) no Hoare annotation was computed. [2020-09-24 16:07:36,878 INFO L268 CegarLoopResult]: For program point L216-1(lines 216 231) no Hoare annotation was computed. [2020-09-24 16:07:36,878 INFO L268 CegarLoopResult]: For program point L150(lines 150 161) no Hoare annotation was computed. [2020-09-24 16:07:36,878 INFO L268 CegarLoopResult]: For program point L216-2(line 216) no Hoare annotation was computed. [2020-09-24 16:07:36,878 INFO L268 CegarLoopResult]: For program point L216-3(line 216) no Hoare annotation was computed. [2020-09-24 16:07:36,878 INFO L268 CegarLoopResult]: For program point L316(line 316) no Hoare annotation was computed. [2020-09-24 16:07:36,878 INFO L268 CegarLoopResult]: For program point L283(lines 283 382) no Hoare annotation was computed. [2020-09-24 16:07:36,879 INFO L268 CegarLoopResult]: For program point L316-1(lines 316 331) no Hoare annotation was computed. [2020-09-24 16:07:36,879 INFO L268 CegarLoopResult]: For program point L250(lines 250 261) no Hoare annotation was computed. [2020-09-24 16:07:36,879 INFO L268 CegarLoopResult]: For program point L316-2(line 316) no Hoare annotation was computed. [2020-09-24 16:07:36,879 INFO L268 CegarLoopResult]: For program point L316-3(line 316) no Hoare annotation was computed. [2020-09-24 16:07:36,879 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-24 16:07:36,879 INFO L268 CegarLoopResult]: For program point L184-1(lines 184 199) no Hoare annotation was computed. [2020-09-24 16:07:36,879 INFO L268 CegarLoopResult]: For program point L118(lines 118 129) no Hoare annotation was computed. [2020-09-24 16:07:36,880 INFO L268 CegarLoopResult]: For program point L184-2(line 184) no Hoare annotation was computed. [2020-09-24 16:07:36,880 INFO L268 CegarLoopResult]: For program point L184-3(line 184) no Hoare annotation was computed. [2020-09-24 16:07:36,880 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2020-09-24 16:07:36,880 INFO L268 CegarLoopResult]: For program point L350(lines 350 361) no Hoare annotation was computed. [2020-09-24 16:07:36,880 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-09-24 16:07:36,880 INFO L268 CegarLoopResult]: For program point L284-1(lines 284 299) no Hoare annotation was computed. [2020-09-24 16:07:36,880 INFO L268 CegarLoopResult]: For program point L218(lines 218 229) no Hoare annotation was computed. [2020-09-24 16:07:36,881 INFO L268 CegarLoopResult]: For program point L284-2(line 284) no Hoare annotation was computed. [2020-09-24 16:07:36,881 INFO L268 CegarLoopResult]: For program point L284-3(line 284) no Hoare annotation was computed. [2020-09-24 16:07:36,881 INFO L268 CegarLoopResult]: For program point L86(lines 86 88) no Hoare annotation was computed. [2020-09-24 16:07:36,881 INFO L268 CegarLoopResult]: For program point L318(lines 318 329) no Hoare annotation was computed. [2020-09-24 16:07:36,881 INFO L268 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-09-24 16:07:36,881 INFO L268 CegarLoopResult]: For program point L186(lines 186 197) no Hoare annotation was computed. [2020-09-24 16:07:36,881 INFO L268 CegarLoopResult]: For program point L54(lines 54 56) no Hoare annotation was computed. [2020-09-24 16:07:36,882 INFO L268 CegarLoopResult]: For program point L352(line 352) no Hoare annotation was computed. [2020-09-24 16:07:36,882 INFO L268 CegarLoopResult]: For program point L286(lines 286 297) no Hoare annotation was computed. [2020-09-24 16:07:36,882 INFO L268 CegarLoopResult]: For program point L154(lines 154 156) no Hoare annotation was computed. [2020-09-24 16:07:36,882 INFO L264 CegarLoopResult]: At program point L22-2(lines 22 385) the Hoare annotation is: (or (and (<= main_~this_state~0 0) (= main_~q~0 0)) (and (<= 4 main_~q~0) (= 3 main_~this_state~0))) [2020-09-24 16:07:36,882 INFO L268 CegarLoopResult]: For program point L22-3(lines 22 385) no Hoare annotation was computed. [2020-09-24 16:07:36,882 INFO L268 CegarLoopResult]: For program point L254(lines 254 256) no Hoare annotation was computed. [2020-09-24 16:07:36,883 INFO L268 CegarLoopResult]: For program point L122(lines 122 124) no Hoare annotation was computed. [2020-09-24 16:07:36,883 INFO L268 CegarLoopResult]: For program point L354(lines 354 356) no Hoare annotation was computed. [2020-09-24 16:07:36,883 INFO L268 CegarLoopResult]: For program point L222(lines 222 224) no Hoare annotation was computed. [2020-09-24 16:07:36,883 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-24 16:07:36,883 INFO L268 CegarLoopResult]: For program point L322(lines 322 324) no Hoare annotation was computed. [2020-09-24 16:07:36,883 INFO L268 CegarLoopResult]: For program point L190(lines 190 192) no Hoare annotation was computed. [2020-09-24 16:07:36,883 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-24 16:07:36,884 INFO L268 CegarLoopResult]: For program point L290(lines 290 292) no Hoare annotation was computed. [2020-09-24 16:07:36,884 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-09-24 16:07:36,884 INFO L268 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed. [2020-09-24 16:07:36,884 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-09-24 16:07:36,884 INFO L268 CegarLoopResult]: For program point L27(lines 27 46) no Hoare annotation was computed. [2020-09-24 16:07:36,884 INFO L268 CegarLoopResult]: For program point L358(line 358) no Hoare annotation was computed. [2020-09-24 16:07:36,884 INFO L268 CegarLoopResult]: For program point L226(line 226) no Hoare annotation was computed. [2020-09-24 16:07:36,885 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-24 16:07:36,885 INFO L268 CegarLoopResult]: For program point L28-1(lines 28 43) no Hoare annotation was computed. [2020-09-24 16:07:36,885 INFO L268 CegarLoopResult]: For program point L28-2(line 28) no Hoare annotation was computed. [2020-09-24 16:07:36,885 INFO L268 CegarLoopResult]: For program point L28-3(line 28) no Hoare annotation was computed. [2020-09-24 16:07:36,885 INFO L268 CegarLoopResult]: For program point L326(line 326) no Hoare annotation was computed. [2020-09-24 16:07:36,885 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-09-24 16:07:36,885 INFO L268 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-09-24 16:07:36,886 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-09-24 16:07:36,886 INFO L268 CegarLoopResult]: For program point L360(line 360) no Hoare annotation was computed. [2020-09-24 16:07:36,886 INFO L268 CegarLoopResult]: For program point L294(line 294) no Hoare annotation was computed. [2020-09-24 16:07:36,886 INFO L268 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2020-09-24 16:07:36,886 INFO L268 CegarLoopResult]: For program point L30(lines 30 41) no Hoare annotation was computed. [2020-09-24 16:07:36,897 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 13 390) the Hoare annotation is: true [2020-09-24 16:07:36,897 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-24 16:07:36,897 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-24 16:07:36,897 INFO L268 CegarLoopResult]: For program point L64-1(lines 64 79) no Hoare annotation was computed. [2020-09-24 16:07:36,897 INFO L268 CegarLoopResult]: For program point L64-2(line 64) no Hoare annotation was computed. [2020-09-24 16:07:36,897 INFO L268 CegarLoopResult]: For program point L64-3(line 64) no Hoare annotation was computed. [2020-09-24 16:07:36,897 INFO L268 CegarLoopResult]: For program point L296(line 296) no Hoare annotation was computed. [2020-09-24 16:07:36,897 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-09-24 16:07:36,897 INFO L268 CegarLoopResult]: For program point L164-1(lines 164 179) no Hoare annotation was computed. [2020-09-24 16:07:36,898 INFO L268 CegarLoopResult]: For program point L164-2(line 164) no Hoare annotation was computed. [2020-09-24 16:07:36,898 INFO L268 CegarLoopResult]: For program point L164-3(line 164) no Hoare annotation was computed. [2020-09-24 16:07:36,898 INFO L268 CegarLoopResult]: For program point L264(line 264) no Hoare annotation was computed. [2020-09-24 16:07:36,898 INFO L268 CegarLoopResult]: For program point L264-1(lines 264 279) no Hoare annotation was computed. [2020-09-24 16:07:36,898 INFO L268 CegarLoopResult]: For program point L264-2(line 264) no Hoare annotation was computed. [2020-09-24 16:07:36,898 INFO L268 CegarLoopResult]: For program point L264-3(line 264) no Hoare annotation was computed. [2020-09-24 16:07:36,898 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-09-24 16:07:36,898 INFO L268 CegarLoopResult]: For program point L99(lines 99 182) no Hoare annotation was computed. [2020-09-24 16:07:36,898 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 147) no Hoare annotation was computed. [2020-09-24 16:07:36,898 INFO L268 CegarLoopResult]: For program point L66(lines 66 77) no Hoare annotation was computed. [2020-09-24 16:07:36,898 INFO L268 CegarLoopResult]: For program point L132-2(line 132) no Hoare annotation was computed. [2020-09-24 16:07:36,898 INFO L268 CegarLoopResult]: For program point L132-3(line 132) no Hoare annotation was computed. [2020-09-24 16:07:36,898 INFO L268 CegarLoopResult]: For program point L364(line 364) no Hoare annotation was computed. [2020-09-24 16:07:36,899 INFO L268 CegarLoopResult]: For program point L364-1(lines 364 379) no Hoare annotation was computed. [2020-09-24 16:07:36,899 INFO L268 CegarLoopResult]: For program point L364-2(line 364) no Hoare annotation was computed. [2020-09-24 16:07:36,899 INFO L268 CegarLoopResult]: For program point L364-3(line 364) no Hoare annotation was computed. [2020-09-24 16:07:36,899 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-09-24 16:07:36,899 INFO L268 CegarLoopResult]: For program point L232-1(lines 232 247) no Hoare annotation was computed. [2020-09-24 16:07:36,899 INFO L268 CegarLoopResult]: For program point L166(lines 166 177) no Hoare annotation was computed. [2020-09-24 16:07:36,899 INFO L268 CegarLoopResult]: For program point L232-2(line 232) no Hoare annotation was computed. [2020-09-24 16:07:36,899 INFO L268 CegarLoopResult]: For program point L232-3(line 232) no Hoare annotation was computed. [2020-09-24 16:07:36,899 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-24 16:07:36,899 INFO L268 CegarLoopResult]: For program point L100-1(lines 100 115) no Hoare annotation was computed. [2020-09-24 16:07:36,899 INFO L268 CegarLoopResult]: For program point L34(lines 34 36) no Hoare annotation was computed. [2020-09-24 16:07:36,899 INFO L268 CegarLoopResult]: For program point L100-2(line 100) no Hoare annotation was computed. [2020-09-24 16:07:36,899 INFO L268 CegarLoopResult]: For program point L100-3(line 100) no Hoare annotation was computed. [2020-09-24 16:07:36,900 INFO L268 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed. [2020-09-24 16:07:36,900 INFO L268 CegarLoopResult]: For program point L332-1(lines 332 347) no Hoare annotation was computed. [2020-09-24 16:07:36,900 INFO L268 CegarLoopResult]: For program point L266(lines 266 277) no Hoare annotation was computed. [2020-09-24 16:07:36,900 INFO L268 CegarLoopResult]: For program point L332-2(line 332) no Hoare annotation was computed. [2020-09-24 16:07:36,900 INFO L268 CegarLoopResult]: For program point L332-3(line 332) no Hoare annotation was computed. [2020-09-24 16:07:36,900 INFO L268 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-09-24 16:07:36,900 INFO L268 CegarLoopResult]: For program point L200-1(lines 200 215) no Hoare annotation was computed. [2020-09-24 16:07:36,900 INFO L268 CegarLoopResult]: For program point L134(lines 134 145) no Hoare annotation was computed. [2020-09-24 16:07:36,900 INFO L268 CegarLoopResult]: For program point L200-2(line 200) no Hoare annotation was computed. [2020-09-24 16:07:36,900 INFO L268 CegarLoopResult]: For program point L200-3(line 200) no Hoare annotation was computed. [2020-09-24 16:07:36,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 04:07:36 BoogieIcfgContainer [2020-09-24 16:07:36,926 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 16:07:36,930 INFO L168 Benchmark]: Toolchain (without parser) took 6227.57 ms. Allocated memory was 140.5 MB in the beginning and 278.9 MB in the end (delta: 138.4 MB). Free memory was 102.7 MB in the beginning and 246.1 MB in the end (delta: -143.4 MB). Peak memory consumption was 144.6 MB. Max. memory is 7.1 GB. [2020-09-24 16:07:36,932 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-09-24 16:07:36,934 INFO L168 Benchmark]: CACSL2BoogieTranslator took 483.07 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 102.1 MB in the beginning and 180.8 MB in the end (delta: -78.7 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2020-09-24 16:07:36,938 INFO L168 Benchmark]: Boogie Preprocessor took 64.96 ms. Allocated memory is still 202.9 MB. Free memory was 180.8 MB in the beginning and 178.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-09-24 16:07:36,940 INFO L168 Benchmark]: RCFGBuilder took 728.91 ms. Allocated memory is still 202.9 MB. Free memory was 178.8 MB in the beginning and 142.3 MB in the end (delta: 36.5 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. [2020-09-24 16:07:36,945 INFO L168 Benchmark]: TraceAbstraction took 4937.83 ms. Allocated memory was 202.9 MB in the beginning and 278.9 MB in the end (delta: 76.0 MB). Free memory was 142.3 MB in the beginning and 246.1 MB in the end (delta: -103.8 MB). Peak memory consumption was 121.8 MB. Max. memory is 7.1 GB. [2020-09-24 16:07:36,949 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 483.07 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 102.1 MB in the beginning and 180.8 MB in the end (delta: -78.7 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.96 ms. Allocated memory is still 202.9 MB. Free memory was 180.8 MB in the beginning and 178.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 728.91 ms. Allocated memory is still 202.9 MB. Free memory was 178.8 MB in the beginning and 142.3 MB in the end (delta: 36.5 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4937.83 ms. Allocated memory was 202.9 MB in the beginning and 278.9 MB in the end (delta: 76.0 MB). Free memory was 142.3 MB in the beginning and 246.1 MB in the end (delta: -103.8 MB). Peak memory consumption was 121.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 389]: 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: 22]: Loop Invariant Derived loop invariant: (((this_state <= 0 && q == 0) || (this_state <= 0 && q == 2)) || (q == 3 && 2 == this_state)) || (4 <= q && 3 == this_state) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (this_state <= 0 && q == 0) || (4 <= q && 3 == this_state) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 191 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.4s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1996 SDtfs, 2887 SDslu, 123 SDs, 0 SdLazy, 1238 SolverSat, 97 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=243occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 61 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 13 NumberOfFragments, 67 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 153 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 476 NumberOfCodeBlocks, 476 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 465 ConstructedInterpolants, 0 QuantifiedInterpolants, 39149 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 56/56 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...