/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/loop-invgen/apache-get-tag.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 16:10:57,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 16:10:57,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 16:10:57,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 16:10:57,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 16:10:57,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 16:10:57,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 16:10:57,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 16:10:57,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 16:10:57,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 16:10:57,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 16:10:57,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 16:10:57,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 16:10:57,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 16:10:57,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 16:10:57,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 16:10:57,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 16:10:57,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 16:10:57,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 16:10:57,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 16:10:57,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 16:10:57,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 16:10:57,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 16:10:57,065 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 16:10:57,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 16:10:57,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 16:10:57,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 16:10:57,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 16:10:57,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 16:10:57,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 16:10:57,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 16:10:57,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 16:10:57,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 16:10:57,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 16:10:57,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 16:10:57,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 16:10:57,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 16:10:57,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 16:10:57,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 16:10:57,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 16:10:57,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 16:10:57,083 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 16:10:57,111 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 16:10:57,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 16:10:57,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 16:10:57,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 16:10:57,113 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 16:10:57,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 16:10:57,113 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 16:10:57,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 16:10:57,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 16:10:57,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 16:10:57,114 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 16:10:57,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 16:10:57,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 16:10:57,115 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 16:10:57,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 16:10:57,115 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 16:10:57,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 16:10:57,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 16:10:57,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 16:10:57,116 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 16:10:57,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 16:10:57,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:10:57,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 16:10:57,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 16:10:57,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 16:10:57,117 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 16:10:57,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 16:10:57,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 16:10:57,118 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 16:10:57,118 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 16:10:57,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 16:10:57,636 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 16:10:57,642 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 16:10:57,644 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 16:10:57,645 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 16:10:57,646 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2020-09-24 16:10:57,749 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/73e4d77ad/4e69eba2e84b4b8180f1b97b08ec6e22/FLAG987f3b37e [2020-09-24 16:10:58,320 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 16:10:58,321 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2020-09-24 16:10:58,332 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/73e4d77ad/4e69eba2e84b4b8180f1b97b08ec6e22/FLAG987f3b37e [2020-09-24 16:10:58,640 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/73e4d77ad/4e69eba2e84b4b8180f1b97b08ec6e22 [2020-09-24 16:10:58,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 16:10:58,661 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 16:10:58,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 16:10:58,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 16:10:58,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 16:10:58,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:10:58" (1/1) ... [2020-09-24 16:10:58,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67fe5b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:58, skipping insertion in model container [2020-09-24 16:10:58,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:10:58" (1/1) ... [2020-09-24 16:10:58,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 16:10:58,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 16:10:58,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:10:58,987 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 16:10:59,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:10:59,048 INFO L208 MainTranslator]: Completed translation [2020-09-24 16:10:59,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:59 WrapperNode [2020-09-24 16:10:59,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 16:10:59,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 16:10:59,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 16:10:59,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 16:10:59,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:59" (1/1) ... [2020-09-24 16:10:59,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:59" (1/1) ... [2020-09-24 16:10:59,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:59" (1/1) ... [2020-09-24 16:10:59,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:59" (1/1) ... [2020-09-24 16:10:59,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:59" (1/1) ... [2020-09-24 16:10:59,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:59" (1/1) ... [2020-09-24 16:10:59,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:59" (1/1) ... [2020-09-24 16:10:59,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 16:10:59,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 16:10:59,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 16:10:59,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 16:10:59,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:59" (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 16:10:59,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 16:10:59,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 16:10:59,260 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 16:10:59,261 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 16:10:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 16:10:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 16:10:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 16:10:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 16:10:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 16:10:59,262 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 16:10:59,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 16:10:59,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 16:10:59,859 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 16:10:59,859 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 16:10:59,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:10:59 BoogieIcfgContainer [2020-09-24 16:10:59,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 16:10:59,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 16:10:59,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 16:10:59,873 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 16:10:59,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:10:58" (1/3) ... [2020-09-24 16:10:59,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4afbc08a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:10:59, skipping insertion in model container [2020-09-24 16:10:59,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:59" (2/3) ... [2020-09-24 16:10:59,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4afbc08a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:10:59, skipping insertion in model container [2020-09-24 16:10:59,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:10:59" (3/3) ... [2020-09-24 16:10:59,878 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.v+lhb-reducer.c [2020-09-24 16:10:59,890 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 16:10:59,902 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 18 error locations. [2020-09-24 16:10:59,926 INFO L251 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2020-09-24 16:10:59,959 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 16:10:59,959 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 16:10:59,960 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 16:10:59,960 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 16:10:59,960 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 16:10:59,960 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 16:10:59,960 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 16:10:59,960 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 16:10:59,990 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states. [2020-09-24 16:10:59,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 16:10:59,999 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:00,000 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:00,001 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:00,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:00,008 INFO L82 PathProgramCache]: Analyzing trace with hash 150776909, now seen corresponding path program 1 times [2020-09-24 16:11:00,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:00,018 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1802140748] [2020-09-24 16:11:00,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:00,222 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:00,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:00,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:00,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:00,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-24 16:11:00,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:00,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-24 16:11:00,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:00,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:11:00,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 16:11:00,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 16:11:00,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:00,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:00,413 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:00,414 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:00,414 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:00,414 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:00,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:11:00,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:00,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:00,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:00,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:00,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:00,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:00,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:00,443 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 16:11:00,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1802140748] [2020-09-24 16:11:00,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:00,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 16:11:00,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229757900] [2020-09-24 16:11:00,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:11:00,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:00,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:11:00,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:11:00,482 INFO L87 Difference]: Start difference. First operand 223 states. Second operand 8 states. [2020-09-24 16:11:01,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:01,351 INFO L93 Difference]: Finished difference Result 339 states and 382 transitions. [2020-09-24 16:11:01,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 16:11:01,353 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2020-09-24 16:11:01,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:01,373 INFO L225 Difference]: With dead ends: 339 [2020-09-24 16:11:01,373 INFO L226 Difference]: Without dead ends: 287 [2020-09-24 16:11:01,379 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-09-24 16:11:01,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-09-24 16:11:01,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 193. [2020-09-24 16:11:01,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-09-24 16:11:01,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 197 transitions. [2020-09-24 16:11:01,449 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 197 transitions. Word has length 33 [2020-09-24 16:11:01,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:01,450 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 197 transitions. [2020-09-24 16:11:01,450 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:11:01,450 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 197 transitions. [2020-09-24 16:11:01,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 16:11:01,453 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:01,453 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:01,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 16:11:01,454 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:01,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:01,455 INFO L82 PathProgramCache]: Analyzing trace with hash 661447885, now seen corresponding path program 1 times [2020-09-24 16:11:01,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:01,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1280296028] [2020-09-24 16:11:01,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:01,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:01,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:01,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:01,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:01,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-24 16:11:01,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:01,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-24 16:11:01,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:01,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:11:01,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 16:11:01,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 16:11:01,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:01,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:01,703 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:01,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:01,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:01,704 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:01,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:11:01,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:01,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:01,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:01,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:01,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:01,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:01,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:01,712 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 16:11:01,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1280296028] [2020-09-24 16:11:01,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:01,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 16:11:01,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913013263] [2020-09-24 16:11:01,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:11:01,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:01,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:11:01,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:11:01,716 INFO L87 Difference]: Start difference. First operand 193 states and 197 transitions. Second operand 8 states. [2020-09-24 16:11:02,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:02,586 INFO L93 Difference]: Finished difference Result 287 states and 293 transitions. [2020-09-24 16:11:02,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 16:11:02,588 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2020-09-24 16:11:02,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:02,591 INFO L225 Difference]: With dead ends: 287 [2020-09-24 16:11:02,591 INFO L226 Difference]: Without dead ends: 285 [2020-09-24 16:11:02,592 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-09-24 16:11:02,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-09-24 16:11:02,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 191. [2020-09-24 16:11:02,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-09-24 16:11:02,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 195 transitions. [2020-09-24 16:11:02,611 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 195 transitions. Word has length 33 [2020-09-24 16:11:02,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:02,612 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 195 transitions. [2020-09-24 16:11:02,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:11:02,612 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 195 transitions. [2020-09-24 16:11:02,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-24 16:11:02,614 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:02,614 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:02,614 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 16:11:02,615 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:02,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:02,615 INFO L82 PathProgramCache]: Analyzing trace with hash -538052139, now seen corresponding path program 1 times [2020-09-24 16:11:02,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:02,616 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1283878136] [2020-09-24 16:11:02,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:02,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:02,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:02,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:02,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:02,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 16:11:02,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:02,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 16:11:02,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:02,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:11:02,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 16:11:02,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 16:11:02,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:02,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:02,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:02,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:02,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:02,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:02,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:11:02,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:02,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:02,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:02,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:02,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:02,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:02,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:02,726 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 16:11:02,727 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1283878136] [2020-09-24 16:11:02,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:02,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 16:11:02,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745643619] [2020-09-24 16:11:02,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 16:11:02,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:02,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 16:11:02,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 16:11:02,729 INFO L87 Difference]: Start difference. First operand 191 states and 195 transitions. Second operand 7 states. [2020-09-24 16:11:03,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:03,214 INFO L93 Difference]: Finished difference Result 197 states and 201 transitions. [2020-09-24 16:11:03,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 16:11:03,214 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 43 [2020-09-24 16:11:03,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:03,216 INFO L225 Difference]: With dead ends: 197 [2020-09-24 16:11:03,216 INFO L226 Difference]: Without dead ends: 195 [2020-09-24 16:11:03,217 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-09-24 16:11:03,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-09-24 16:11:03,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 189. [2020-09-24 16:11:03,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-09-24 16:11:03,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 193 transitions. [2020-09-24 16:11:03,230 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 193 transitions. Word has length 43 [2020-09-24 16:11:03,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:03,230 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 193 transitions. [2020-09-24 16:11:03,230 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 16:11:03,231 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 193 transitions. [2020-09-24 16:11:03,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-24 16:11:03,232 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:03,233 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:03,233 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 16:11:03,233 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:03,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:03,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1061846924, now seen corresponding path program 1 times [2020-09-24 16:11:03,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:03,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [640794289] [2020-09-24 16:11:03,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:03,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:03,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:03,260 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:03,260 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:03,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 16:11:03,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:03,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 16:11:03,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:03,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:11:03,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 16:11:03,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 16:11:03,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:03,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:03,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:03,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:03,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:03,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:03,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:11:03,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:03,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:03,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:03,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:03,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:03,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:03,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:03,335 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 16:11:03,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [640794289] [2020-09-24 16:11:03,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:03,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 16:11:03,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126461857] [2020-09-24 16:11:03,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 16:11:03,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:03,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 16:11:03,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 16:11:03,338 INFO L87 Difference]: Start difference. First operand 189 states and 193 transitions. Second operand 7 states. [2020-09-24 16:11:03,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:03,760 INFO L93 Difference]: Finished difference Result 195 states and 199 transitions. [2020-09-24 16:11:03,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 16:11:03,761 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 43 [2020-09-24 16:11:03,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:03,763 INFO L225 Difference]: With dead ends: 195 [2020-09-24 16:11:03,763 INFO L226 Difference]: Without dead ends: 193 [2020-09-24 16:11:03,764 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-09-24 16:11:03,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-09-24 16:11:03,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 187. [2020-09-24 16:11:03,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-09-24 16:11:03,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 191 transitions. [2020-09-24 16:11:03,774 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 191 transitions. Word has length 43 [2020-09-24 16:11:03,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:03,775 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 191 transitions. [2020-09-24 16:11:03,775 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 16:11:03,775 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 191 transitions. [2020-09-24 16:11:03,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-24 16:11:03,777 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:03,777 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:03,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 16:11:03,778 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:03,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:03,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1029151645, now seen corresponding path program 1 times [2020-09-24 16:11:03,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:03,779 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1741365303] [2020-09-24 16:11:03,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:03,800 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:03,800 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:03,801 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:03,801 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:03,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 16:11:03,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:03,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 16:11:03,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:03,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 16:11:03,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-24 16:11:03,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 16:11:03,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:03,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:03,857 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:03,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:03,858 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:03,858 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:03,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:11:03,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:03,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:03,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:03,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:03,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:03,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:03,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:03,865 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 16:11:03,866 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1741365303] [2020-09-24 16:11:03,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:03,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 16:11:03,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183396563] [2020-09-24 16:11:03,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 16:11:03,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:03,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 16:11:03,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 16:11:03,868 INFO L87 Difference]: Start difference. First operand 187 states and 191 transitions. Second operand 6 states. [2020-09-24 16:11:04,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:04,219 INFO L93 Difference]: Finished difference Result 187 states and 191 transitions. [2020-09-24 16:11:04,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 16:11:04,220 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2020-09-24 16:11:04,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:04,221 INFO L225 Difference]: With dead ends: 187 [2020-09-24 16:11:04,221 INFO L226 Difference]: Without dead ends: 175 [2020-09-24 16:11:04,223 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:11:04,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-09-24 16:11:04,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2020-09-24 16:11:04,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-09-24 16:11:04,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 179 transitions. [2020-09-24 16:11:04,243 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 179 transitions. Word has length 48 [2020-09-24 16:11:04,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:04,244 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 179 transitions. [2020-09-24 16:11:04,244 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 16:11:04,244 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 179 transitions. [2020-09-24 16:11:04,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-24 16:11:04,249 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:04,249 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:04,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 16:11:04,250 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:04,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:04,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1480933896, now seen corresponding path program 1 times [2020-09-24 16:11:04,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:04,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [814403257] [2020-09-24 16:11:04,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:04,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:04,298 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:04,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:04,298 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:04,299 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:04,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 16:11:04,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:04,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 16:11:04,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:04,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:11:04,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 16:11:04,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 16:11:04,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 16:11:04,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:04,399 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:04,399 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:04,399 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:04,400 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:04,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:11:04,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:04,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:04,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:04,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:04,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:04,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:04,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 16:11:04,418 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 16:11:04,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [814403257] [2020-09-24 16:11:04,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:04,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 16:11:04,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765250391] [2020-09-24 16:11:04,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 16:11:04,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:04,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 16:11:04,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 16:11:04,420 INFO L87 Difference]: Start difference. First operand 175 states and 179 transitions. Second operand 7 states. [2020-09-24 16:11:05,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:05,034 INFO L93 Difference]: Finished difference Result 297 states and 304 transitions. [2020-09-24 16:11:05,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 16:11:05,034 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2020-09-24 16:11:05,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:05,037 INFO L225 Difference]: With dead ends: 297 [2020-09-24 16:11:05,037 INFO L226 Difference]: Without dead ends: 295 [2020-09-24 16:11:05,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-24 16:11:05,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-09-24 16:11:05,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 173. [2020-09-24 16:11:05,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-09-24 16:11:05,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 177 transitions. [2020-09-24 16:11:05,045 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 177 transitions. Word has length 48 [2020-09-24 16:11:05,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:05,046 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 177 transitions. [2020-09-24 16:11:05,046 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 16:11:05,046 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 177 transitions. [2020-09-24 16:11:05,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-24 16:11:05,048 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:05,048 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:05,048 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 16:11:05,048 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:05,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:05,049 INFO L82 PathProgramCache]: Analyzing trace with hash 28591951, now seen corresponding path program 1 times [2020-09-24 16:11:05,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:05,049 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1747973344] [2020-09-24 16:11:05,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:05,069 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:05,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:05,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:05,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:05,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 16:11:05,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:05,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 16:11:05,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:05,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:11:05,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 16:11:05,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 16:11:05,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:05,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:05,133 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:05,134 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:05,134 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:05,134 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:05,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:11:05,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:05,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:05,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:05,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:05,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:05,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:05,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:05,141 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 16:11:05,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1747973344] [2020-09-24 16:11:05,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:05,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 16:11:05,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544873875] [2020-09-24 16:11:05,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 16:11:05,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:05,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 16:11:05,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 16:11:05,144 INFO L87 Difference]: Start difference. First operand 173 states and 177 transitions. Second operand 7 states. [2020-09-24 16:11:05,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:05,666 INFO L93 Difference]: Finished difference Result 256 states and 262 transitions. [2020-09-24 16:11:05,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 16:11:05,667 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2020-09-24 16:11:05,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:05,669 INFO L225 Difference]: With dead ends: 256 [2020-09-24 16:11:05,669 INFO L226 Difference]: Without dead ends: 254 [2020-09-24 16:11:05,670 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-09-24 16:11:05,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-09-24 16:11:05,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 171. [2020-09-24 16:11:05,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-09-24 16:11:05,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 175 transitions. [2020-09-24 16:11:05,677 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 175 transitions. Word has length 48 [2020-09-24 16:11:05,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:05,677 INFO L479 AbstractCegarLoop]: Abstraction has 171 states and 175 transitions. [2020-09-24 16:11:05,677 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 16:11:05,678 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 175 transitions. [2020-09-24 16:11:05,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-24 16:11:05,679 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:05,679 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:05,679 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 16:11:05,680 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:05,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:05,680 INFO L82 PathProgramCache]: Analyzing trace with hash -2081291309, now seen corresponding path program 1 times [2020-09-24 16:11:05,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:05,681 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [932954541] [2020-09-24 16:11:05,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:05,706 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:05,707 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:05,707 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:05,707 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:05,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 16:11:05,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:05,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 16:11:05,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:05,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 16:11:05,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-24 16:11:05,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 16:11:05,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:05,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:05,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:05,777 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:05,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:05,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:05,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:11:05,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:05,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:05,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:05,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:05,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:05,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:05,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:05,786 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 16:11:05,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [932954541] [2020-09-24 16:11:05,787 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:05,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 16:11:05,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676741671] [2020-09-24 16:11:05,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 16:11:05,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:05,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 16:11:05,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 16:11:05,793 INFO L87 Difference]: Start difference. First operand 171 states and 175 transitions. Second operand 6 states. [2020-09-24 16:11:06,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:06,094 INFO L93 Difference]: Finished difference Result 171 states and 175 transitions. [2020-09-24 16:11:06,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 16:11:06,095 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2020-09-24 16:11:06,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:06,096 INFO L225 Difference]: With dead ends: 171 [2020-09-24 16:11:06,097 INFO L226 Difference]: Without dead ends: 159 [2020-09-24 16:11:06,097 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:11:06,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-09-24 16:11:06,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2020-09-24 16:11:06,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-09-24 16:11:06,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 163 transitions. [2020-09-24 16:11:06,110 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 163 transitions. Word has length 48 [2020-09-24 16:11:06,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:06,110 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 163 transitions. [2020-09-24 16:11:06,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 16:11:06,111 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 163 transitions. [2020-09-24 16:11:06,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 16:11:06,113 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:06,114 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:06,114 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 16:11:06,115 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:06,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:06,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1071744508, now seen corresponding path program 1 times [2020-09-24 16:11:06,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:06,116 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [509308394] [2020-09-24 16:11:06,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:06,152 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:06,152 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:06,153 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:06,153 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:06,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 16:11:06,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:06,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 16:11:06,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:06,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:11:06,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 16:11:06,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 16:11:06,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:06,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:06,237 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:06,242 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:06,242 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:06,242 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:06,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:11:06,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:06,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 16:11:06,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:06,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:06,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:06,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:06,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:06,262 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 16:11:06,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [509308394] [2020-09-24 16:11:06,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:06,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 16:11:06,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385734122] [2020-09-24 16:11:06,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 16:11:06,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:06,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 16:11:06,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 16:11:06,270 INFO L87 Difference]: Start difference. First operand 159 states and 163 transitions. Second operand 7 states. [2020-09-24 16:11:06,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:06,788 INFO L93 Difference]: Finished difference Result 229 states and 235 transitions. [2020-09-24 16:11:06,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 16:11:06,788 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-09-24 16:11:06,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:06,790 INFO L225 Difference]: With dead ends: 229 [2020-09-24 16:11:06,790 INFO L226 Difference]: Without dead ends: 227 [2020-09-24 16:11:06,791 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-24 16:11:06,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-09-24 16:11:06,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 157. [2020-09-24 16:11:06,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-09-24 16:11:06,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 161 transitions. [2020-09-24 16:11:06,798 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 161 transitions. Word has length 53 [2020-09-24 16:11:06,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:06,798 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 161 transitions. [2020-09-24 16:11:06,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 16:11:06,798 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 161 transitions. [2020-09-24 16:11:06,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 16:11:06,800 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:06,800 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:06,800 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 16:11:06,801 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:06,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:06,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1179072694, now seen corresponding path program 1 times [2020-09-24 16:11:06,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:06,801 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1309315846] [2020-09-24 16:11:06,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:06,833 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:06,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:06,834 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:06,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:06,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 16:11:06,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:06,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 16:11:06,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:06,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:11:06,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 16:11:06,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 16:11:06,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:06,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:06,916 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:06,916 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:06,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:06,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:06,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:11:06,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:06,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:06,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:06,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:06,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:06,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:06,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:06,928 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 16:11:06,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1309315846] [2020-09-24 16:11:06,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:06,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 16:11:06,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504046639] [2020-09-24 16:11:06,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 16:11:06,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:06,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 16:11:06,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 16:11:06,931 INFO L87 Difference]: Start difference. First operand 157 states and 161 transitions. Second operand 7 states. [2020-09-24 16:11:07,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:07,365 INFO L93 Difference]: Finished difference Result 210 states and 216 transitions. [2020-09-24 16:11:07,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 16:11:07,366 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-09-24 16:11:07,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:07,368 INFO L225 Difference]: With dead ends: 210 [2020-09-24 16:11:07,369 INFO L226 Difference]: Without dead ends: 208 [2020-09-24 16:11:07,370 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-24 16:11:07,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-09-24 16:11:07,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 155. [2020-09-24 16:11:07,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-09-24 16:11:07,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 159 transitions. [2020-09-24 16:11:07,376 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 159 transitions. Word has length 53 [2020-09-24 16:11:07,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:07,377 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 159 transitions. [2020-09-24 16:11:07,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 16:11:07,377 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 159 transitions. [2020-09-24 16:11:07,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 16:11:07,378 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:07,378 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:07,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 16:11:07,378 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:07,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:07,379 INFO L82 PathProgramCache]: Analyzing trace with hash -960286218, now seen corresponding path program 1 times [2020-09-24 16:11:07,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:07,379 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [637074459] [2020-09-24 16:11:07,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:07,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:07,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:07,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:07,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:07,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 16:11:07,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:07,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 16:11:07,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:07,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:11:07,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 16:11:07,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 16:11:07,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:07,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:07,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:07,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:07,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:07,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:07,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:07,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:11:07,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:07,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:07,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:07,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:07,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:07,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:07,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:07,462 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 16:11:07,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [637074459] [2020-09-24 16:11:07,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:07,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 16:11:07,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616995554] [2020-09-24 16:11:07,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 16:11:07,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:07,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 16:11:07,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 16:11:07,465 INFO L87 Difference]: Start difference. First operand 155 states and 159 transitions. Second operand 7 states. [2020-09-24 16:11:07,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:07,817 INFO L93 Difference]: Finished difference Result 161 states and 165 transitions. [2020-09-24 16:11:07,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 16:11:07,818 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-09-24 16:11:07,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:07,820 INFO L225 Difference]: With dead ends: 161 [2020-09-24 16:11:07,820 INFO L226 Difference]: Without dead ends: 159 [2020-09-24 16:11:07,821 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-09-24 16:11:07,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-09-24 16:11:07,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 153. [2020-09-24 16:11:07,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-09-24 16:11:07,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 157 transitions. [2020-09-24 16:11:07,840 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 157 transitions. Word has length 53 [2020-09-24 16:11:07,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:07,840 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 157 transitions. [2020-09-24 16:11:07,840 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 16:11:07,840 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 157 transitions. [2020-09-24 16:11:07,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 16:11:07,841 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:07,842 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:07,842 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 16:11:07,842 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:07,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:07,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1529900809, now seen corresponding path program 1 times [2020-09-24 16:11:07,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:07,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [351592561] [2020-09-24 16:11:07,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:07,874 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:07,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:07,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:07,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:07,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 16:11:07,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:07,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 16:11:07,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:07,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 16:11:07,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 16:11:07,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-24 16:11:07,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:08,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:08,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:08,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:08,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:08,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:08,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:11:08,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:08,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:11:08,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:08,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:08,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:08,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:08,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:08,113 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 16:11:08,114 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [351592561] [2020-09-24 16:11:08,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:08,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 16:11:08,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183864612] [2020-09-24 16:11:08,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 16:11:08,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:08,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 16:11:08,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-24 16:11:08,116 INFO L87 Difference]: Start difference. First operand 153 states and 157 transitions. Second operand 9 states. [2020-09-24 16:11:08,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:08,881 INFO L93 Difference]: Finished difference Result 354 states and 364 transitions. [2020-09-24 16:11:08,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 16:11:08,881 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2020-09-24 16:11:08,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:08,886 INFO L225 Difference]: With dead ends: 354 [2020-09-24 16:11:08,887 INFO L226 Difference]: Without dead ends: 352 [2020-09-24 16:11:08,887 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2020-09-24 16:11:08,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2020-09-24 16:11:08,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 172. [2020-09-24 16:11:08,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-09-24 16:11:08,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 177 transitions. [2020-09-24 16:11:08,897 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 177 transitions. Word has length 53 [2020-09-24 16:11:08,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:08,898 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 177 transitions. [2020-09-24 16:11:08,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 16:11:08,898 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 177 transitions. [2020-09-24 16:11:08,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 16:11:08,899 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:08,899 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:08,899 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-24 16:11:08,899 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:08,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:08,900 INFO L82 PathProgramCache]: Analyzing trace with hash -2001226185, now seen corresponding path program 1 times [2020-09-24 16:11:08,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:08,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1703498826] [2020-09-24 16:11:08,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:08,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:08,929 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:08,929 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:08,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:08,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 16:11:08,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:08,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 16:11:08,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:08,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 16:11:08,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 16:11:08,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-24 16:11:08,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:09,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:09,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:09,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:09,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:09,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:09,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:11:09,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:09,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:09,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:09,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:09,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:09,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:09,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:09,111 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 16:11:09,111 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1703498826] [2020-09-24 16:11:09,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:09,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 16:11:09,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818894451] [2020-09-24 16:11:09,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 16:11:09,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:09,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 16:11:09,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-24 16:11:09,114 INFO L87 Difference]: Start difference. First operand 172 states and 177 transitions. Second operand 9 states. [2020-09-24 16:11:09,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:09,840 INFO L93 Difference]: Finished difference Result 322 states and 331 transitions. [2020-09-24 16:11:09,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 16:11:09,840 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2020-09-24 16:11:09,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:09,842 INFO L225 Difference]: With dead ends: 322 [2020-09-24 16:11:09,842 INFO L226 Difference]: Without dead ends: 320 [2020-09-24 16:11:09,843 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2020-09-24 16:11:09,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-09-24 16:11:09,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 182. [2020-09-24 16:11:09,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-09-24 16:11:09,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 187 transitions. [2020-09-24 16:11:09,851 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 187 transitions. Word has length 53 [2020-09-24 16:11:09,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:09,852 INFO L479 AbstractCegarLoop]: Abstraction has 182 states and 187 transitions. [2020-09-24 16:11:09,852 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 16:11:09,852 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 187 transitions. [2020-09-24 16:11:09,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 16:11:09,853 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:09,853 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:09,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-24 16:11:09,854 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:09,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:09,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1125742038, now seen corresponding path program 1 times [2020-09-24 16:11:09,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:09,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1168060819] [2020-09-24 16:11:09,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:09,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:09,884 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:09,884 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:09,884 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:09,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 16:11:09,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:09,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 16:11:09,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:09,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 16:11:09,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 16:11:09,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-24 16:11:09,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:10,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:10,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:10,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:10,075 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:10,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:10,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:11:10,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:10,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:10,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:10,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:10,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:10,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:10,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:10,089 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 16:11:10,090 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1168060819] [2020-09-24 16:11:10,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:10,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 16:11:10,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265348685] [2020-09-24 16:11:10,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 16:11:10,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:10,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 16:11:10,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-24 16:11:10,092 INFO L87 Difference]: Start difference. First operand 182 states and 187 transitions. Second operand 9 states. [2020-09-24 16:11:10,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:10,737 INFO L93 Difference]: Finished difference Result 314 states and 323 transitions. [2020-09-24 16:11:10,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 16:11:10,737 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2020-09-24 16:11:10,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:10,740 INFO L225 Difference]: With dead ends: 314 [2020-09-24 16:11:10,740 INFO L226 Difference]: Without dead ends: 312 [2020-09-24 16:11:10,741 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2020-09-24 16:11:10,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-09-24 16:11:10,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 211. [2020-09-24 16:11:10,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-09-24 16:11:10,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 219 transitions. [2020-09-24 16:11:10,752 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 219 transitions. Word has length 58 [2020-09-24 16:11:10,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:10,753 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 219 transitions. [2020-09-24 16:11:10,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 16:11:10,753 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 219 transitions. [2020-09-24 16:11:10,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 16:11:10,754 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:10,754 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:10,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-24 16:11:10,756 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:10,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:10,757 INFO L82 PathProgramCache]: Analyzing trace with hash 894302084, now seen corresponding path program 1 times [2020-09-24 16:11:10,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:10,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1685118524] [2020-09-24 16:11:10,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:10,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:10,812 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:10,813 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:10,813 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:10,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 16:11:10,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:10,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 16:11:10,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:10,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 16:11:10,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 16:11:10,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-24 16:11:10,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:11,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:11,090 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:11,091 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:11,091 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:11,091 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:11,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:11:11,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:11,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:11,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:11,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:11,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:11,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:11,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 16:11:11,109 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 16:11:11,110 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1685118524] [2020-09-24 16:11:11,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:11,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 16:11:11,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828243687] [2020-09-24 16:11:11,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 16:11:11,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:11,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 16:11:11,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-24 16:11:11,113 INFO L87 Difference]: Start difference. First operand 211 states and 219 transitions. Second operand 9 states. [2020-09-24 16:11:11,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:11,693 INFO L93 Difference]: Finished difference Result 312 states and 321 transitions. [2020-09-24 16:11:11,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 16:11:11,694 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2020-09-24 16:11:11,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:11,696 INFO L225 Difference]: With dead ends: 312 [2020-09-24 16:11:11,697 INFO L226 Difference]: Without dead ends: 310 [2020-09-24 16:11:11,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2020-09-24 16:11:11,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-09-24 16:11:11,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 221. [2020-09-24 16:11:11,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-09-24 16:11:11,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 229 transitions. [2020-09-24 16:11:11,707 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 229 transitions. Word has length 58 [2020-09-24 16:11:11,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:11,707 INFO L479 AbstractCegarLoop]: Abstraction has 221 states and 229 transitions. [2020-09-24 16:11:11,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 16:11:11,707 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 229 transitions. [2020-09-24 16:11:11,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 16:11:11,708 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:11,708 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:11,708 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-24 16:11:11,709 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:11,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:11,709 INFO L82 PathProgramCache]: Analyzing trace with hash 579772635, now seen corresponding path program 1 times [2020-09-24 16:11:11,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:11,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [724982967] [2020-09-24 16:11:11,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:11,735 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:11,735 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:11,736 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:11,736 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:11,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 16:11:11,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:11,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 16:11:11,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:11,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 16:11:11,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 16:11:11,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-24 16:11:11,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:11,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:11,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:11,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:11,895 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:11,895 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:11,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:11:11,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:11,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:11,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:11,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:11,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:11,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:11,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:11,910 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 16:11:11,910 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [724982967] [2020-09-24 16:11:11,911 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:11,911 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 16:11:11,911 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221728910] [2020-09-24 16:11:11,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 16:11:11,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:11,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 16:11:11,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-24 16:11:11,912 INFO L87 Difference]: Start difference. First operand 221 states and 229 transitions. Second operand 9 states. [2020-09-24 16:11:12,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:12,410 INFO L93 Difference]: Finished difference Result 245 states and 252 transitions. [2020-09-24 16:11:12,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 16:11:12,410 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2020-09-24 16:11:12,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:12,412 INFO L225 Difference]: With dead ends: 245 [2020-09-24 16:11:12,412 INFO L226 Difference]: Without dead ends: 233 [2020-09-24 16:11:12,412 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-09-24 16:11:12,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-09-24 16:11:12,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 221. [2020-09-24 16:11:12,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-09-24 16:11:12,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 228 transitions. [2020-09-24 16:11:12,421 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 228 transitions. Word has length 58 [2020-09-24 16:11:12,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:12,422 INFO L479 AbstractCegarLoop]: Abstraction has 221 states and 228 transitions. [2020-09-24 16:11:12,422 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 16:11:12,422 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 228 transitions. [2020-09-24 16:11:12,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-09-24 16:11:12,423 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:12,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:12,423 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-24 16:11:12,423 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:12,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:12,424 INFO L82 PathProgramCache]: Analyzing trace with hash -71318262, now seen corresponding path program 1 times [2020-09-24 16:11:12,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:12,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1938506405] [2020-09-24 16:11:12,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:12,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:12,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:12,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:12,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:12,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-24 16:11:12,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:12,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 16:11:12,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:12,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:11:12,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 16:11:12,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-24 16:11:12,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:12,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:12,513 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:12,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:12,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:12,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:12,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:11:12,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:12,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:12,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:12,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:12,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:12,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:12,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:12,523 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 16:11:12,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1938506405] [2020-09-24 16:11:12,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:12,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 16:11:12,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803757782] [2020-09-24 16:11:12,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 16:11:12,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:12,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 16:11:12,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 16:11:12,525 INFO L87 Difference]: Start difference. First operand 221 states and 228 transitions. Second operand 7 states. [2020-09-24 16:11:12,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:12,883 INFO L93 Difference]: Finished difference Result 221 states and 228 transitions. [2020-09-24 16:11:12,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 16:11:12,884 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2020-09-24 16:11:12,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:12,885 INFO L225 Difference]: With dead ends: 221 [2020-09-24 16:11:12,885 INFO L226 Difference]: Without dead ends: 219 [2020-09-24 16:11:12,886 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-09-24 16:11:12,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-09-24 16:11:12,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2020-09-24 16:11:12,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2020-09-24 16:11:12,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 226 transitions. [2020-09-24 16:11:12,896 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 226 transitions. Word has length 66 [2020-09-24 16:11:12,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:12,897 INFO L479 AbstractCegarLoop]: Abstraction has 219 states and 226 transitions. [2020-09-24 16:11:12,897 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 16:11:12,897 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 226 transitions. [2020-09-24 16:11:12,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-24 16:11:12,898 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:12,898 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:12,898 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-24 16:11:12,898 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:12,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:12,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1574098677, now seen corresponding path program 1 times [2020-09-24 16:11:12,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:12,899 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [933086140] [2020-09-24 16:11:12,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:12,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:12,929 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:12,929 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:12,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:12,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 16:11:12,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:12,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 16:11:12,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:12,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 16:11:12,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-09-24 16:11:12,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 16:11:12,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:12,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:12,991 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:12,991 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:12,992 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:12,992 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:12,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:11:12,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:12,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:12,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:12,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:12,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:12,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:12,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:12,999 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 16:11:13,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [933086140] [2020-09-24 16:11:13,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:13,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 16:11:13,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223552164] [2020-09-24 16:11:13,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 16:11:13,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:13,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 16:11:13,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 16:11:13,008 INFO L87 Difference]: Start difference. First operand 219 states and 226 transitions. Second operand 6 states. [2020-09-24 16:11:13,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:13,287 INFO L93 Difference]: Finished difference Result 219 states and 226 transitions. [2020-09-24 16:11:13,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 16:11:13,288 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2020-09-24 16:11:13,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:13,289 INFO L225 Difference]: With dead ends: 219 [2020-09-24 16:11:13,289 INFO L226 Difference]: Without dead ends: 207 [2020-09-24 16:11:13,290 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:11:13,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2020-09-24 16:11:13,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2020-09-24 16:11:13,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-09-24 16:11:13,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 214 transitions. [2020-09-24 16:11:13,298 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 214 transitions. Word has length 71 [2020-09-24 16:11:13,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:13,299 INFO L479 AbstractCegarLoop]: Abstraction has 207 states and 214 transitions. [2020-09-24 16:11:13,299 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 16:11:13,299 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 214 transitions. [2020-09-24 16:11:13,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-24 16:11:13,300 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:13,300 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:13,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-24 16:11:13,301 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:13,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:13,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1231856020, now seen corresponding path program 1 times [2020-09-24 16:11:13,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:13,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [544422009] [2020-09-24 16:11:13,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:13,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:13,349 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:13,349 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:13,349 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:13,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 16:11:13,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:13,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 16:11:13,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:13,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 16:11:13,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 16:11:13,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 16:11:13,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:13,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:13,470 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:13,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:13,470 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:13,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:13,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:11:13,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:13,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:13,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:13,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:13,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:13,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:13,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:13,482 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 16:11:13,482 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [544422009] [2020-09-24 16:11:13,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:13,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 16:11:13,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620384919] [2020-09-24 16:11:13,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:11:13,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:13,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:11:13,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:11:13,484 INFO L87 Difference]: Start difference. First operand 207 states and 214 transitions. Second operand 8 states. [2020-09-24 16:11:14,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:14,085 INFO L93 Difference]: Finished difference Result 258 states and 267 transitions. [2020-09-24 16:11:14,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 16:11:14,085 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 71 [2020-09-24 16:11:14,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:14,087 INFO L225 Difference]: With dead ends: 258 [2020-09-24 16:11:14,088 INFO L226 Difference]: Without dead ends: 256 [2020-09-24 16:11:14,088 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2020-09-24 16:11:14,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2020-09-24 16:11:14,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 195. [2020-09-24 16:11:14,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-09-24 16:11:14,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 202 transitions. [2020-09-24 16:11:14,104 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 202 transitions. Word has length 71 [2020-09-24 16:11:14,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:14,105 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 202 transitions. [2020-09-24 16:11:14,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:11:14,105 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 202 transitions. [2020-09-24 16:11:14,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-09-24 16:11:14,106 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:14,107 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:14,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-24 16:11:14,108 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:14,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:14,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1933345825, now seen corresponding path program 1 times [2020-09-24 16:11:14,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:14,109 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [280658574] [2020-09-24 16:11:14,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:14,197 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:14,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:14,198 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:14,198 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:14,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-24 16:11:14,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:14,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-24 16:11:14,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 16:11:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 16:11:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-24 16:11:14,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:14,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:14,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:14,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:14,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:14,307 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:14,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:11:14,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:14,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:14,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:14,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:14,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:14,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:14,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:14,320 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-24 16:11:14,320 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [280658574] [2020-09-24 16:11:14,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:14,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 16:11:14,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369627360] [2020-09-24 16:11:14,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:11:14,322 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:14,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:11:14,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:11:14,323 INFO L87 Difference]: Start difference. First operand 195 states and 202 transitions. Second operand 8 states. [2020-09-24 16:11:14,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:14,862 INFO L93 Difference]: Finished difference Result 254 states and 263 transitions. [2020-09-24 16:11:14,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 16:11:14,863 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 73 [2020-09-24 16:11:14,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:14,865 INFO L225 Difference]: With dead ends: 254 [2020-09-24 16:11:14,865 INFO L226 Difference]: Without dead ends: 252 [2020-09-24 16:11:14,865 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2020-09-24 16:11:14,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2020-09-24 16:11:14,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 183. [2020-09-24 16:11:14,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-09-24 16:11:14,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 190 transitions. [2020-09-24 16:11:14,873 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 190 transitions. Word has length 73 [2020-09-24 16:11:14,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:14,873 INFO L479 AbstractCegarLoop]: Abstraction has 183 states and 190 transitions. [2020-09-24 16:11:14,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:11:14,874 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 190 transitions. [2020-09-24 16:11:14,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-09-24 16:11:14,874 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:14,875 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:11:14,875 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-24 16:11:14,875 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:14,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:14,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1462020449, now seen corresponding path program 1 times [2020-09-24 16:11:14,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:14,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1523045664] [2020-09-24 16:11:14,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:14,907 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:14,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:14,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:14,907 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:14,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-24 16:11:14,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:14,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 16:11:14,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:14,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 16:11:14,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 16:11:14,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-24 16:11:14,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:15,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:15,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:15,014 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:15,014 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:15,015 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:15,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:11:15,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:15,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:15,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:15,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:15,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:15,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:15,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:15,025 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-24 16:11:15,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1523045664] [2020-09-24 16:11:15,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:11:15,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 16:11:15,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587473883] [2020-09-24 16:11:15,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:11:15,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:15,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:11:15,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:11:15,028 INFO L87 Difference]: Start difference. First operand 183 states and 190 transitions. Second operand 8 states. [2020-09-24 16:11:15,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:15,632 INFO L93 Difference]: Finished difference Result 238 states and 247 transitions. [2020-09-24 16:11:15,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 16:11:15,633 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 73 [2020-09-24 16:11:15,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:15,635 INFO L225 Difference]: With dead ends: 238 [2020-09-24 16:11:15,635 INFO L226 Difference]: Without dead ends: 236 [2020-09-24 16:11:15,636 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-09-24 16:11:15,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-09-24 16:11:15,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 162. [2020-09-24 16:11:15,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-09-24 16:11:15,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 168 transitions. [2020-09-24 16:11:15,649 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 168 transitions. Word has length 73 [2020-09-24 16:11:15,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:15,649 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 168 transitions. [2020-09-24 16:11:15,650 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:11:15,650 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 168 transitions. [2020-09-24 16:11:15,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-09-24 16:11:15,651 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:15,652 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:11:15,652 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-24 16:11:15,653 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:15,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:15,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1568339750, now seen corresponding path program 1 times [2020-09-24 16:11:15,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:15,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [546471173] [2020-09-24 16:11:15,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:15,695 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:15,695 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:15,695 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:15,696 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:15,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 16:11:15,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:15,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 16:11:15,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:15,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 16:11:15,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 16:11:15,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 16:11:15,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:11:15,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:15,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:15,827 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:15,827 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:15,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:15,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:11:15,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:15,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:15,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:15,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:15,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:15,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:15,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:15,866 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 16:11:15,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [546471173] [2020-09-24 16:11:15,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:15,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 16:11:15,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240797566] [2020-09-24 16:11:15,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:11:15,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:15,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:11:15,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:11:15,873 INFO L87 Difference]: Start difference. First operand 162 states and 168 transitions. Second operand 8 states. [2020-09-24 16:11:16,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:16,498 INFO L93 Difference]: Finished difference Result 210 states and 218 transitions. [2020-09-24 16:11:16,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 16:11:16,500 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78 [2020-09-24 16:11:16,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:16,503 INFO L225 Difference]: With dead ends: 210 [2020-09-24 16:11:16,503 INFO L226 Difference]: Without dead ends: 208 [2020-09-24 16:11:16,504 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2020-09-24 16:11:16,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-09-24 16:11:16,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 145. [2020-09-24 16:11:16,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-09-24 16:11:16,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 150 transitions. [2020-09-24 16:11:16,513 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 150 transitions. Word has length 78 [2020-09-24 16:11:16,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:16,514 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 150 transitions. [2020-09-24 16:11:16,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:11:16,514 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 150 transitions. [2020-09-24 16:11:16,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-09-24 16:11:16,516 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:11:16,516 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:11:16,516 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-09-24 16:11:16,517 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:11:16,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:11:16,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1882869199, now seen corresponding path program 1 times [2020-09-24 16:11:16,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:11:16,524 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [699864612] [2020-09-24 16:11:16,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:11:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:16,568 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:16,569 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:16,569 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:16,569 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:16,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 16:11:16,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:16,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 16:11:16,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:16,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 16:11:16,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 16:11:16,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 16:11:16,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:16,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:11:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:11:16,729 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:11:16,729 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:11:16,730 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:11:16,730 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:11:16,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:11:16,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:11:16,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:11:16,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:11:16,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:11:16,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:11:16,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:11:16,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:11:16,751 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 16:11:16,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [699864612] [2020-09-24 16:11:16,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:11:16,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 16:11:16,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089056479] [2020-09-24 16:11:16,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:11:16,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:11:16,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:11:16,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:11:16,761 INFO L87 Difference]: Start difference. First operand 145 states and 150 transitions. Second operand 8 states. [2020-09-24 16:11:17,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:11:17,165 INFO L93 Difference]: Finished difference Result 145 states and 150 transitions. [2020-09-24 16:11:17,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 16:11:17,165 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78 [2020-09-24 16:11:17,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:11:17,166 INFO L225 Difference]: With dead ends: 145 [2020-09-24 16:11:17,168 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 16:11:17,169 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-09-24 16:11:17,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 16:11:17,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 16:11:17,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 16:11:17,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 16:11:17,170 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2020-09-24 16:11:17,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:11:17,170 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 16:11:17,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:11:17,170 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 16:11:17,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 16:11:17,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-09-24 16:11:17,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 16:11:17,400 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 39 [2020-09-24 16:11:17,553 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 29 [2020-09-24 16:11:17,718 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 54 [2020-09-24 16:11:18,111 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 16 [2020-09-24 16:11:18,260 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 22 [2020-09-24 16:11:18,263 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-24 16:11:18,263 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-09-24 16:11:18,263 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-09-24 16:11:18,263 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-24 16:11:18,264 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__tmp_383_0~0 |old(~__tmp_383_0~0)|) (= ~__tmp_259_0~0 |old(~__tmp_259_0~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_305~0 |old(~__return_305~0)|)) [2020-09-24 16:11:18,264 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 16:11:18,264 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 16:11:18,264 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-24 16:11:18,264 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 16:11:18,265 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 16:11:18,265 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-09-24 16:11:18,265 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-09-24 16:11:18,265 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-09-24 16:11:18,265 INFO L268 CegarLoopResult]: For program point L5-3(lines 4 6) no Hoare annotation was computed. [2020-09-24 16:11:18,265 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-09-24 16:11:18,265 INFO L268 CegarLoopResult]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 112) no Hoare annotation was computed. [2020-09-24 16:11:18,266 INFO L264 CegarLoopResult]: At program point L382(lines 280 389) the Hoare annotation is: (let ((.cse0 (not (= main_~__tmp_14~0 0))) (.cse1 (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0)) (.cse2 (not (= main_~__VERIFIER_assert__cond~13 0))) (.cse3 (<= 0 main_~main__t~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 main_~__VERIFIER_assert__cond~19) (<= 1 main_~__tmp_20~0)) (and .cse0 .cse1 (<= main_~main__t~0 0) .cse2 .cse3))) [2020-09-24 16:11:18,267 INFO L264 CegarLoopResult]: At program point L349(lines 30 393) the Hoare annotation is: (let ((.cse0 (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0)) (.cse1 (<= 0 main_~main__t~0))) (or (and .cse0 (<= main_~main__t~0 0) .cse1) (and .cse0 (<= 1 main_~__VERIFIER_assert__cond~17) (<= 1 main_~__tmp_18~0) .cse1))) [2020-09-24 16:11:18,267 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-09-24 16:11:18,267 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 13 400) no Hoare annotation was computed. [2020-09-24 16:11:18,267 INFO L268 CegarLoopResult]: For program point L184(lines 184 194) no Hoare annotation was computed. [2020-09-24 16:11:18,268 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-24 16:11:18,268 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-09-24 16:11:18,268 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-09-24 16:11:18,268 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-09-24 16:11:18,268 INFO L268 CegarLoopResult]: For program point L102-1(line 102) no Hoare annotation was computed. [2020-09-24 16:11:18,268 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-09-24 16:11:18,269 INFO L268 CegarLoopResult]: For program point L102-2(line 102) no Hoare annotation was computed. [2020-09-24 16:11:18,269 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-09-24 16:11:18,270 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-09-24 16:11:18,270 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-09-24 16:11:18,271 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-09-24 16:11:18,271 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-09-24 16:11:18,271 INFO L268 CegarLoopResult]: For program point L301(line 301) no Hoare annotation was computed. [2020-09-24 16:11:18,271 INFO L268 CegarLoopResult]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 331) no Hoare annotation was computed. [2020-09-24 16:11:18,272 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-09-24 16:11:18,272 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-24 16:11:18,272 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-24 16:11:18,272 INFO L268 CegarLoopResult]: For program point L103(lines 103 207) no Hoare annotation was computed. [2020-09-24 16:11:18,272 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-24 16:11:18,272 INFO L268 CegarLoopResult]: For program point L37(lines 37 253) no Hoare annotation was computed. [2020-09-24 16:11:18,272 INFO L268 CegarLoopResult]: For program point L285(line 285) no Hoare annotation was computed. [2020-09-24 16:11:18,272 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-09-24 16:11:18,272 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-09-24 16:11:18,273 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-09-24 16:11:18,273 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-09-24 16:11:18,273 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-09-24 16:11:18,274 INFO L268 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-09-24 16:11:18,274 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 13 400) no Hoare annotation was computed. [2020-09-24 16:11:18,274 INFO L268 CegarLoopResult]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 307) no Hoare annotation was computed. [2020-09-24 16:11:18,274 INFO L268 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-09-24 16:11:18,274 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-09-24 16:11:18,274 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-09-24 16:11:18,274 INFO L268 CegarLoopResult]: For program point L286(lines 286 388) no Hoare annotation was computed. [2020-09-24 16:11:18,274 INFO L268 CegarLoopResult]: For program point L220(lines 220 242) no Hoare annotation was computed. [2020-09-24 16:11:18,275 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-24 16:11:18,275 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-24 16:11:18,275 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-24 16:11:18,275 INFO L268 CegarLoopResult]: For program point L22(lines 22 394) no Hoare annotation was computed. [2020-09-24 16:11:18,275 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-09-24 16:11:18,275 INFO L268 CegarLoopResult]: For program point L270(line 270) no Hoare annotation was computed. [2020-09-24 16:11:18,275 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-09-24 16:11:18,275 INFO L268 CegarLoopResult]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 186) no Hoare annotation was computed. [2020-09-24 16:11:18,275 INFO L268 CegarLoopResult]: For program point L138(lines 138 160) no Hoare annotation was computed. [2020-09-24 16:11:18,276 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-09-24 16:11:18,276 INFO L268 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-09-24 16:11:18,276 INFO L268 CegarLoopResult]: For program point L122(lines 122 199) no Hoare annotation was computed. [2020-09-24 16:11:18,276 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-24 16:11:18,276 INFO L268 CegarLoopResult]: For program point L370(line 370) no Hoare annotation was computed. [2020-09-24 16:11:18,276 INFO L268 CegarLoopResult]: For program point L337(line 337) no Hoare annotation was computed. [2020-09-24 16:11:18,276 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-09-24 16:11:18,276 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-09-24 16:11:18,277 INFO L268 CegarLoopResult]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 343) no Hoare annotation was computed. [2020-09-24 16:11:18,277 INFO L268 CegarLoopResult]: For program point L172(lines 172 196) no Hoare annotation was computed. [2020-09-24 16:11:18,277 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-24 16:11:18,277 INFO L268 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2020-09-24 16:11:18,277 INFO L268 CegarLoopResult]: For program point L321-1(line 321) no Hoare annotation was computed. [2020-09-24 16:11:18,278 INFO L268 CegarLoopResult]: For program point L321-2(line 321) no Hoare annotation was computed. [2020-09-24 16:11:18,278 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-09-24 16:11:18,278 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-09-24 16:11:18,278 INFO L268 CegarLoopResult]: For program point L371(line 371) no Hoare annotation was computed. [2020-09-24 16:11:18,278 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-09-24 16:11:18,278 INFO L268 CegarLoopResult]: For program point L305(lines 305 313) no Hoare annotation was computed. [2020-09-24 16:11:18,279 INFO L268 CegarLoopResult]: For program point L272(line 272) no Hoare annotation was computed. [2020-09-24 16:11:18,279 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-09-24 16:11:18,279 INFO L268 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-09-24 16:11:18,279 INFO L268 CegarLoopResult]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 234) no Hoare annotation was computed. [2020-09-24 16:11:18,279 INFO L268 CegarLoopResult]: For program point L322(lines 322 387) no Hoare annotation was computed. [2020-09-24 16:11:18,279 INFO L268 CegarLoopResult]: For program point L289(line 289) no Hoare annotation was computed. [2020-09-24 16:11:18,279 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-09-24 16:11:18,279 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-24 16:11:18,280 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-24 16:11:18,280 INFO L268 CegarLoopResult]: For program point L372(line 372) no Hoare annotation was computed. [2020-09-24 16:11:18,280 INFO L268 CegarLoopResult]: For program point L339(line 339) no Hoare annotation was computed. [2020-09-24 16:11:18,281 INFO L268 CegarLoopResult]: For program point L273(line 273) no Hoare annotation was computed. [2020-09-24 16:11:18,281 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-09-24 16:11:18,281 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-09-24 16:11:18,281 INFO L268 CegarLoopResult]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 222) no Hoare annotation was computed. [2020-09-24 16:11:18,281 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-09-24 16:11:18,281 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-09-24 16:11:18,281 INFO L268 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-09-24 16:11:18,282 INFO L268 CegarLoopResult]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 124) no Hoare annotation was computed. [2020-09-24 16:11:18,282 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-09-24 16:11:18,282 INFO L268 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-09-24 16:11:18,282 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-09-24 16:11:18,282 INFO L268 CegarLoopResult]: For program point L340(line 340) no Hoare annotation was computed. [2020-09-24 16:11:18,282 INFO L268 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-09-24 16:11:18,282 INFO L268 CegarLoopResult]: For program point L274(lines 274 389) no Hoare annotation was computed. [2020-09-24 16:11:18,282 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-24 16:11:18,283 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-24 16:11:18,283 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-24 16:11:18,283 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-09-24 16:11:18,283 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-09-24 16:11:18,283 INFO L268 CegarLoopResult]: For program point L374(lines 374 383) no Hoare annotation was computed. [2020-09-24 16:11:18,283 INFO L268 CegarLoopResult]: For program point L341(lines 341 350) no Hoare annotation was computed. [2020-09-24 16:11:18,283 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-09-24 16:11:18,283 INFO L268 CegarLoopResult]: For program point L110(lines 110 201) no Hoare annotation was computed. [2020-09-24 16:11:18,283 INFO L268 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-09-24 16:11:18,284 INFO L268 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-09-24 16:11:18,284 INFO L268 CegarLoopResult]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 276) no Hoare annotation was computed. [2020-09-24 16:11:18,284 INFO L268 CegarLoopResult]: For program point L358(line 358) no Hoare annotation was computed. [2020-09-24 16:11:18,284 INFO L268 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2020-09-24 16:11:18,284 INFO L268 CegarLoopResult]: For program point L292(line 292) no Hoare annotation was computed. [2020-09-24 16:11:18,284 INFO L268 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-09-24 16:11:18,284 INFO L264 CegarLoopResult]: At program point L193(lines 54 251) the Hoare annotation is: (and (<= 1 main_~main__t~0) (< main_~main__t~0 (+ main_~main__tagbuf_len~0 1))) [2020-09-24 16:11:18,285 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-24 16:11:18,285 INFO L268 CegarLoopResult]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 152) no Hoare annotation was computed. [2020-09-24 16:11:18,285 INFO L268 CegarLoopResult]: For program point L276(line 276) no Hoare annotation was computed. [2020-09-24 16:11:18,285 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-09-24 16:11:18,285 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-09-24 16:11:18,285 INFO L268 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2020-09-24 16:11:18,285 INFO L268 CegarLoopResult]: For program point L326(line 326) no Hoare annotation was computed. [2020-09-24 16:11:18,285 INFO L268 CegarLoopResult]: For program point L293(lines 293 315) no Hoare annotation was computed. [2020-09-24 16:11:18,285 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-09-24 16:11:18,286 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-09-24 16:11:18,286 INFO L268 CegarLoopResult]: For program point L29-1(line 29) no Hoare annotation was computed. [2020-09-24 16:11:18,286 INFO L268 CegarLoopResult]: For program point L29-2(line 29) no Hoare annotation was computed. [2020-09-24 16:11:18,286 INFO L268 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-09-24 16:11:18,286 INFO L268 CegarLoopResult]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2020-09-24 16:11:18,286 INFO L268 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-09-24 16:11:18,286 INFO L268 CegarLoopResult]: For program point L277(line 277) no Hoare annotation was computed. [2020-09-24 16:11:18,286 INFO L268 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-09-24 16:11:18,286 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-24 16:11:18,287 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-24 16:11:18,287 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-24 16:11:18,287 INFO L268 CegarLoopResult]: For program point L360(line 360) no Hoare annotation was computed. [2020-09-24 16:11:18,288 INFO L268 CegarLoopResult]: For program point L327(line 327) no Hoare annotation was computed. [2020-09-24 16:11:18,288 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-09-24 16:11:18,288 INFO L268 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2020-09-24 16:11:18,288 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-09-24 16:11:18,288 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 50) no Hoare annotation was computed. [2020-09-24 16:11:18,288 INFO L268 CegarLoopResult]: For program point L30(lines 30 393) no Hoare annotation was computed. [2020-09-24 16:11:18,288 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 13 400) the Hoare annotation is: (and (= |old(~__tmp_259_0~0)| ~__tmp_259_0~0) (= |old(~__return_305~0)| ~__return_305~0) (= |old(~__tmp_383_0~0)| ~__tmp_383_0~0)) [2020-09-24 16:11:18,289 INFO L268 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-09-24 16:11:18,289 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-09-24 16:11:18,289 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-09-24 16:11:18,289 INFO L268 CegarLoopResult]: For program point L212-1(line 212) no Hoare annotation was computed. [2020-09-24 16:11:18,289 INFO L268 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-09-24 16:11:18,289 INFO L268 CegarLoopResult]: For program point L212-2(line 212) no Hoare annotation was computed. [2020-09-24 16:11:18,289 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-09-24 16:11:18,289 INFO L268 CegarLoopResult]: For program point L80(lines 80 90) no Hoare annotation was computed. [2020-09-24 16:11:18,289 INFO L268 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-09-24 16:11:18,290 INFO L268 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-09-24 16:11:18,290 INFO L268 CegarLoopResult]: For program point L328(line 328) no Hoare annotation was computed. [2020-09-24 16:11:18,290 INFO L268 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-09-24 16:11:18,290 INFO L268 CegarLoopResult]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 364) no Hoare annotation was computed. [2020-09-24 16:11:18,290 INFO L268 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-09-24 16:11:18,290 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-09-24 16:11:18,290 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-24 16:11:18,290 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-24 16:11:18,291 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-24 16:11:18,291 INFO L268 CegarLoopResult]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 174) no Hoare annotation was computed. [2020-09-24 16:11:18,291 INFO L264 CegarLoopResult]: At program point L312(lines 30 393) the Hoare annotation is: (<= main_~main__t~0 main_~main__tagbuf_len~0) [2020-09-24 16:11:18,291 INFO L268 CegarLoopResult]: For program point L213(lines 213 248) no Hoare annotation was computed. [2020-09-24 16:11:18,291 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-09-24 16:11:18,291 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-09-24 16:11:18,291 INFO L268 CegarLoopResult]: For program point L48(lines 48 251) no Hoare annotation was computed. [2020-09-24 16:11:18,292 INFO L268 CegarLoopResult]: For program point L362(lines 362 385) no Hoare annotation was computed. [2020-09-24 16:11:18,292 INFO L268 CegarLoopResult]: For program point L329(lines 329 352) no Hoare annotation was computed. [2020-09-24 16:11:18,292 INFO L268 CegarLoopResult]: For program point L296(line 296) no Hoare annotation was computed. [2020-09-24 16:11:18,292 INFO L268 CegarLoopResult]: For program point L263(lines 263 391) no Hoare annotation was computed. [2020-09-24 16:11:18,292 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-09-24 16:11:18,292 INFO L268 CegarLoopResult]: For program point L131(lines 131 198) no Hoare annotation was computed. [2020-09-24 16:11:18,292 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-09-24 16:11:18,292 INFO L268 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-09-24 16:11:18,293 INFO L268 CegarLoopResult]: For program point L98-1(line 98) no Hoare annotation was computed. [2020-09-24 16:11:18,293 INFO L268 CegarLoopResult]: For program point L98-2(line 98) no Hoare annotation was computed. [2020-09-24 16:11:18,293 INFO L268 CegarLoopResult]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-09-24 16:11:18,293 INFO L264 CegarLoopResult]: At program point L247(lines 99 249) the Hoare annotation is: (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (<= 1 main_~main__t~0)) [2020-09-24 16:11:18,293 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-24 16:11:18,293 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-24 16:11:18,293 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-24 16:11:18,294 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-24 16:11:18,294 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-09-24 16:11:18,294 INFO L268 CegarLoopResult]: For program point L99(lines 99 249) no Hoare annotation was computed. [2020-09-24 16:11:18,294 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-09-24 16:11:18,294 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-09-24 16:11:18,294 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 70) no Hoare annotation was computed. [2020-09-24 16:11:18,294 INFO L268 CegarLoopResult]: For program point L281(line 281) no Hoare annotation was computed. [2020-09-24 16:11:18,294 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-09-24 16:11:18,295 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-09-24 16:11:18,295 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-24 16:11:18,295 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-09-24 16:11:18,295 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-09-24 16:11:18,295 INFO L268 CegarLoopResult]: For program point L17-1(line 17) no Hoare annotation was computed. [2020-09-24 16:11:18,295 INFO L268 CegarLoopResult]: For program point L17-2(line 17) no Hoare annotation was computed. [2020-09-24 16:11:18,295 INFO L268 CegarLoopResult]: For program point L364(line 364) no Hoare annotation was computed. [2020-09-24 16:11:18,295 INFO L268 CegarLoopResult]: For program point L331(line 331) no Hoare annotation was computed. [2020-09-24 16:11:18,296 INFO L268 CegarLoopResult]: For program point L265(line 265) no Hoare annotation was computed. [2020-09-24 16:11:18,296 INFO L268 CegarLoopResult]: For program point L232(lines 232 240) no Hoare annotation was computed. [2020-09-24 16:11:18,296 INFO L268 CegarLoopResult]: For program point mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 376) no Hoare annotation was computed. [2020-09-24 16:11:18,296 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-24 16:11:18,296 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-24 16:11:18,296 INFO L268 CegarLoopResult]: For program point L381(line 381) no Hoare annotation was computed. [2020-09-24 16:11:18,296 INFO L268 CegarLoopResult]: For program point L348(line 348) no Hoare annotation was computed. [2020-09-24 16:11:18,296 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-09-24 16:11:18,297 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-09-24 16:11:18,297 INFO L268 CegarLoopResult]: For program point L150(lines 150 158) no Hoare annotation was computed. [2020-09-24 16:11:18,297 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-09-24 16:11:18,297 INFO L268 CegarLoopResult]: For program point L18(lines 18 399) no Hoare annotation was computed. [2020-09-24 16:11:18,297 INFO L268 CegarLoopResult]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2020-09-24 16:11:18,297 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-09-24 16:11:18,297 INFO L268 CegarLoopResult]: For program point L365(line 365) no Hoare annotation was computed. [2020-09-24 16:11:18,297 INFO L268 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed. [2020-09-24 16:11:18,297 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-09-24 16:11:18,298 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-09-24 16:11:18,298 INFO L268 CegarLoopResult]: For program point L68(lines 68 92) no Hoare annotation was computed. [2020-09-24 16:11:18,298 INFO L268 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-09-24 16:11:18,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 04:11:18 BoogieIcfgContainer [2020-09-24 16:11:18,331 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 16:11:18,333 INFO L168 Benchmark]: Toolchain (without parser) took 19677.15 ms. Allocated memory was 141.0 MB in the beginning and 397.9 MB in the end (delta: 256.9 MB). Free memory was 102.3 MB in the beginning and 349.2 MB in the end (delta: -246.9 MB). Peak memory consumption was 269.9 MB. Max. memory is 7.1 GB. [2020-09-24 16:11:18,334 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 141.0 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 16:11:18,335 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.92 ms. Allocated memory is still 141.0 MB. Free memory was 101.7 MB in the beginning and 88.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2020-09-24 16:11:18,335 INFO L168 Benchmark]: Boogie Preprocessor took 135.21 ms. Allocated memory was 141.0 MB in the beginning and 201.9 MB in the end (delta: 60.8 MB). Free memory was 88.8 MB in the beginning and 179.1 MB in the end (delta: -90.3 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2020-09-24 16:11:18,336 INFO L168 Benchmark]: RCFGBuilder took 682.28 ms. Allocated memory is still 201.9 MB. Free memory was 179.1 MB in the beginning and 141.5 MB in the end (delta: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 7.1 GB. [2020-09-24 16:11:18,340 INFO L168 Benchmark]: TraceAbstraction took 18461.79 ms. Allocated memory was 201.9 MB in the beginning and 397.9 MB in the end (delta: 196.1 MB). Free memory was 140.8 MB in the beginning and 349.2 MB in the end (delta: -208.4 MB). Peak memory consumption was 247.6 MB. Max. memory is 7.1 GB. [2020-09-24 16:11:18,345 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 141.0 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 385.92 ms. Allocated memory is still 141.0 MB. Free memory was 101.7 MB in the beginning and 88.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.21 ms. Allocated memory was 141.0 MB in the beginning and 201.9 MB in the end (delta: 60.8 MB). Free memory was 88.8 MB in the beginning and 179.1 MB in the end (delta: -90.3 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 682.28 ms. Allocated memory is still 201.9 MB. Free memory was 179.1 MB in the beginning and 141.5 MB in the end (delta: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18461.79 ms. Allocated memory was 201.9 MB in the beginning and 397.9 MB in the end (delta: 196.1 MB). Free memory was 140.8 MB in the beginning and 349.2 MB in the end (delta: -208.4 MB). Peak memory consumption was 247.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 50]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 343]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 364]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 174]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 186]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 307]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 222]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 234]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 331]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 124]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 276]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 376]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 152]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 140]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 112]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 70]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 <= main__t && main__t < main__tagbuf_len + 1 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: main__t + 1 <= main__tagbuf_len && 1 <= main__t - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((main__t + 1 <= main__tagbuf_len && main__t <= 0) && 0 <= main__t) || (((main__t + 1 <= main__tagbuf_len && 1 <= __VERIFIER_assert__cond) && 1 <= __tmp_18) && 0 <= main__t) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: main__t <= main__tagbuf_len - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (((((!(__tmp_14 == 0) && main__t + 1 <= main__tagbuf_len) && !(__VERIFIER_assert__cond == 0)) && 0 <= main__t) && 1 <= __VERIFIER_assert__cond) && 1 <= __tmp_20) || ((((!(__tmp_14 == 0) && main__t + 1 <= main__tagbuf_len) && main__t <= 0) && !(__VERIFIER_assert__cond == 0)) && 0 <= main__t) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 228 locations, 18 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.2s, OverallIterations: 23, TraceHistogramMax: 2, AutomataDifference: 12.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3912 SDtfs, 8023 SDslu, 8115 SDs, 0 SdLazy, 9281 SolverSat, 259 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 347 GetRequests, 69 SyntacticMatches, 26 SemanticMatches, 252 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 23 MinimizatonAttempts, 1321 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 14 NumberOfFragments, 118 HoareAnnotationTreeSize, 9 FomulaSimplifications, 4204605 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 33571 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1293 NumberOfCodeBlocks, 1293 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1270 ConstructedInterpolants, 0 QuantifiedInterpolants, 290064 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 21 PerfectInterpolantSequences, 8/28 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...