/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --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-escape-absolute.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 19:34:20,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 19:34:20,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 19:34:20,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 19:34:20,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 19:34:20,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 19:34:20,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 19:34:20,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 19:34:20,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 19:34:20,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 19:34:20,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 19:34:20,856 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 19:34:20,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 19:34:20,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 19:34:20,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 19:34:20,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 19:34:20,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 19:34:20,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 19:34:20,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 19:34:20,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 19:34:20,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 19:34:20,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 19:34:20,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 19:34:20,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 19:34:20,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 19:34:20,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 19:34:20,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 19:34:20,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 19:34:20,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 19:34:20,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 19:34:20,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 19:34:20,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 19:34:20,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 19:34:20,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 19:34:20,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 19:34:20,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 19:34:20,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 19:34:20,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 19:34:20,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 19:34:20,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 19:34:20,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 19:34:20,892 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 19:34:20,919 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 19:34:20,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 19:34:20,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 19:34:20,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 19:34:20,921 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 19:34:20,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 19:34:20,921 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 19:34:20,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 19:34:20,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 19:34:20,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 19:34:20,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 19:34:20,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 19:34:20,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 19:34:20,923 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 19:34:20,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 19:34:20,923 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 19:34:20,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 19:34:20,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 19:34:20,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 19:34:20,924 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 19:34:20,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 19:34:20,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 19:34:20,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 19:34:20,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 19:34:20,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 19:34:20,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 19:34:20,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 19:34:20,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 19:34:20,930 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 19:34:20,930 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-24 19:34:21,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 19:34:21,495 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 19:34:21,499 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 19:34:21,502 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 19:34:21,503 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 19:34:21,504 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2020-09-24 19:34:21,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a0ad5961a/ef6fa323a4304decaae6b96e51e6aa1c/FLAGbce698b55 [2020-09-24 19:34:22,163 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 19:34:22,164 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2020-09-24 19:34:22,182 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a0ad5961a/ef6fa323a4304decaae6b96e51e6aa1c/FLAGbce698b55 [2020-09-24 19:34:22,492 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a0ad5961a/ef6fa323a4304decaae6b96e51e6aa1c [2020-09-24 19:34:22,506 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 19:34:22,511 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 19:34:22,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 19:34:22,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 19:34:22,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 19:34:22,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:34:22" (1/1) ... [2020-09-24 19:34:22,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d863eb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:34:22, skipping insertion in model container [2020-09-24 19:34:22,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:34:22" (1/1) ... [2020-09-24 19:34:22,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 19:34:22,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 19:34:22,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:34:22,861 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 19:34:22,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:34:22,927 INFO L208 MainTranslator]: Completed translation [2020-09-24 19:34:22,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:34:22 WrapperNode [2020-09-24 19:34:22,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 19:34:22,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 19:34:22,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 19:34:22,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 19:34:23,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:34:22" (1/1) ... [2020-09-24 19:34:23,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:34:22" (1/1) ... [2020-09-24 19:34:23,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:34:22" (1/1) ... [2020-09-24 19:34:23,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:34:22" (1/1) ... [2020-09-24 19:34:23,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:34:22" (1/1) ... [2020-09-24 19:34:23,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:34:22" (1/1) ... [2020-09-24 19:34:23,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:34:22" (1/1) ... [2020-09-24 19:34:23,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 19:34:23,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 19:34:23,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 19:34:23,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 19:34:23,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:34:22" (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 19:34:23,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 19:34:23,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 19:34:23,146 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 19:34:23,146 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 19:34:23,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 19:34:23,147 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 19:34:23,147 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 19:34:23,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 19:34:23,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 19:34:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 19:34:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 19:34:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 19:34:23,831 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 19:34:23,831 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 19:34:23,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:34:23 BoogieIcfgContainer [2020-09-24 19:34:23,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 19:34:23,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 19:34:23,842 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 19:34:23,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 19:34:23,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 07:34:22" (1/3) ... [2020-09-24 19:34:23,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b2c435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:34:23, skipping insertion in model container [2020-09-24 19:34:23,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:34:22" (2/3) ... [2020-09-24 19:34:23,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b2c435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:34:23, skipping insertion in model container [2020-09-24 19:34:23,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:34:23" (3/3) ... [2020-09-24 19:34:23,853 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-escape-absolute.i.v+cfa-reducer.c [2020-09-24 19:34:23,865 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 19:34:23,877 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 18 error locations. [2020-09-24 19:34:23,900 INFO L251 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2020-09-24 19:34:23,935 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 19:34:23,936 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 19:34:23,936 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 19:34:23,936 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 19:34:23,936 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 19:34:23,936 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 19:34:23,937 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 19:34:23,937 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 19:34:23,969 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states. [2020-09-24 19:34:23,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-24 19:34:23,981 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:23,983 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:34:23,984 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 19:34:23,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:23,993 INFO L82 PathProgramCache]: Analyzing trace with hash -2016263875, now seen corresponding path program 1 times [2020-09-24 19:34:24,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:24,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [958434774] [2020-09-24 19:34:24,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:24,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:24,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:24,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 19:34:24,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:24,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 400 [2020-09-24 19:34:24,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:24,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:34:24,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-24 19:34:24,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 19:34:24,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 19:34:24,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:24,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:24,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:24,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:34:24,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:24,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:34:24,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:24,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:24,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:24,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:24,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:34:24,737 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 19:34:24,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [958434774] [2020-09-24 19:34:24,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:24,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 19:34:24,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198485760] [2020-09-24 19:34:24,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 19:34:24,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:24,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 19:34:24,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 19:34:24,771 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 7 states. [2020-09-24 19:34:25,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:25,735 INFO L93 Difference]: Finished difference Result 290 states and 336 transitions. [2020-09-24 19:34:25,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 19:34:25,738 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2020-09-24 19:34:25,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:25,763 INFO L225 Difference]: With dead ends: 290 [2020-09-24 19:34:25,764 INFO L226 Difference]: Without dead ends: 239 [2020-09-24 19:34:25,771 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2020-09-24 19:34:25,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-09-24 19:34:25,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 187. [2020-09-24 19:34:25,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-09-24 19:34:25,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 190 transitions. [2020-09-24 19:34:25,896 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 190 transitions. Word has length 38 [2020-09-24 19:34:25,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:25,897 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 190 transitions. [2020-09-24 19:34:25,897 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 19:34:25,897 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 190 transitions. [2020-09-24 19:34:25,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-24 19:34:25,899 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:25,900 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 19:34:25,900 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 19:34:25,901 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 19:34:25,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:25,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1105206656, now seen corresponding path program 1 times [2020-09-24 19:34:25,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:25,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1713648627] [2020-09-24 19:34:25,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:25,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:26,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:26,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 19:34:26,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:26,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-09-24 19:34:26,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:26,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 19:34:26,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-24 19:34:26,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 19:34:26,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:26,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:26,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:26,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:26,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:34:26,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:26,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:34:26,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:26,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:26,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:26,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:26,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 19:34:26,197 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 19:34:26,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1713648627] [2020-09-24 19:34:26,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:26,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 19:34:26,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885291585] [2020-09-24 19:34:26,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 19:34:26,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:26,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 19:34:26,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 19:34:26,203 INFO L87 Difference]: Start difference. First operand 187 states and 190 transitions. Second operand 8 states. [2020-09-24 19:34:26,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:26,488 INFO L93 Difference]: Finished difference Result 187 states and 190 transitions. [2020-09-24 19:34:26,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 19:34:26,489 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2020-09-24 19:34:26,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:26,496 INFO L225 Difference]: With dead ends: 187 [2020-09-24 19:34:26,496 INFO L226 Difference]: Without dead ends: 185 [2020-09-24 19:34:26,498 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-09-24 19:34:26,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-09-24 19:34:26,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2020-09-24 19:34:26,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-09-24 19:34:26,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 188 transitions. [2020-09-24 19:34:26,527 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 188 transitions. Word has length 43 [2020-09-24 19:34:26,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:26,528 INFO L479 AbstractCegarLoop]: Abstraction has 185 states and 188 transitions. [2020-09-24 19:34:26,528 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 19:34:26,528 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 188 transitions. [2020-09-24 19:34:26,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 19:34:26,531 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:26,532 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 19:34:26,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 19:34:26,532 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 19:34:26,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:26,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1193283001, now seen corresponding path program 1 times [2020-09-24 19:34:26,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:26,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [562423922] [2020-09-24 19:34:26,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:26,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:26,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:26,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 19:34:26,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:26,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-24 19:34:26,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:26,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:34:26,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-24 19:34:26,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 19:34:26,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:26,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:26,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:26,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:26,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:34:26,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:26,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:34:26,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:26,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:26,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:26,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:26,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:26,750 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 19:34:26,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [562423922] [2020-09-24 19:34:26,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:26,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 19:34:26,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461388139] [2020-09-24 19:34:26,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 19:34:26,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:26,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 19:34:26,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 19:34:26,753 INFO L87 Difference]: Start difference. First operand 185 states and 188 transitions. Second operand 7 states. [2020-09-24 19:34:27,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:27,392 INFO L93 Difference]: Finished difference Result 237 states and 242 transitions. [2020-09-24 19:34:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 19:34:27,394 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-09-24 19:34:27,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:27,398 INFO L225 Difference]: With dead ends: 237 [2020-09-24 19:34:27,398 INFO L226 Difference]: Without dead ends: 235 [2020-09-24 19:34:27,399 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-09-24 19:34:27,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-09-24 19:34:27,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 183. [2020-09-24 19:34:27,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-09-24 19:34:27,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 186 transitions. [2020-09-24 19:34:27,413 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 186 transitions. Word has length 53 [2020-09-24 19:34:27,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:27,414 INFO L479 AbstractCegarLoop]: Abstraction has 183 states and 186 transitions. [2020-09-24 19:34:27,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 19:34:27,414 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 186 transitions. [2020-09-24 19:34:27,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 19:34:27,415 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:27,416 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 19:34:27,416 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 19:34:27,416 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 19:34:27,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:27,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1236242579, now seen corresponding path program 1 times [2020-09-24 19:34:27,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:27,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1568990703] [2020-09-24 19:34:27,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:27,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:27,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:27,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:27,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 19:34:27,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:34:27,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 414 [2020-09-24 19:34:27,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:27,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:34:27,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-24 19:34:27,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 19:34:27,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 19:34:27,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:27,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:27,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:27,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:34:27,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:27,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:34:27,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:27,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:27,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:27,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:27,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:27,955 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 19:34:27,956 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1568990703] [2020-09-24 19:34:27,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:27,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 19:34:27,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20741813] [2020-09-24 19:34:27,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 19:34:27,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:27,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 19:34:27,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 19:34:27,959 INFO L87 Difference]: Start difference. First operand 183 states and 186 transitions. Second operand 7 states. [2020-09-24 19:34:28,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:28,200 INFO L93 Difference]: Finished difference Result 183 states and 186 transitions. [2020-09-24 19:34:28,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 19:34:28,201 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-09-24 19:34:28,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:28,203 INFO L225 Difference]: With dead ends: 183 [2020-09-24 19:34:28,203 INFO L226 Difference]: Without dead ends: 181 [2020-09-24 19:34:28,204 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-09-24 19:34:28,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-09-24 19:34:28,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2020-09-24 19:34:28,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-09-24 19:34:28,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 184 transitions. [2020-09-24 19:34:28,214 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 184 transitions. Word has length 58 [2020-09-24 19:34:28,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:28,214 INFO L479 AbstractCegarLoop]: Abstraction has 181 states and 184 transitions. [2020-09-24 19:34:28,214 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 19:34:28,214 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 184 transitions. [2020-09-24 19:34:28,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-24 19:34:28,216 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:28,216 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] [2020-09-24 19:34:28,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 19:34:28,216 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 19:34:28,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:28,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1703094031, now seen corresponding path program 1 times [2020-09-24 19:34:28,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:28,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2058273691] [2020-09-24 19:34:28,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:28,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:28,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:28,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:28,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:28,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-24 19:34:28,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:34:28,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 404 [2020-09-24 19:34:28,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:28,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 19:34:28,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-09-24 19:34:28,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 19:34:28,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:28,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:28,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:28,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:28,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:34:28,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:28,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:34:28,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:28,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:28,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:28,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:28,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:28,693 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 19:34:28,693 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2058273691] [2020-09-24 19:34:28,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:28,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 19:34:28,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897356151] [2020-09-24 19:34:28,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 19:34:28,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:28,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 19:34:28,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 19:34:28,695 INFO L87 Difference]: Start difference. First operand 181 states and 184 transitions. Second operand 6 states. [2020-09-24 19:34:29,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:29,375 INFO L93 Difference]: Finished difference Result 284 states and 288 transitions. [2020-09-24 19:34:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 19:34:29,376 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2020-09-24 19:34:29,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:29,380 INFO L225 Difference]: With dead ends: 284 [2020-09-24 19:34:29,380 INFO L226 Difference]: Without dead ends: 282 [2020-09-24 19:34:29,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-09-24 19:34:29,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-09-24 19:34:29,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 186. [2020-09-24 19:34:29,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-09-24 19:34:29,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 189 transitions. [2020-09-24 19:34:29,411 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 189 transitions. Word has length 64 [2020-09-24 19:34:29,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:29,414 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 189 transitions. [2020-09-24 19:34:29,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 19:34:29,415 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 189 transitions. [2020-09-24 19:34:29,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-24 19:34:29,419 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:29,420 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] [2020-09-24 19:34:29,420 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 19:34:29,421 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 19:34:29,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:29,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1179531825, now seen corresponding path program 1 times [2020-09-24 19:34:29,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:29,423 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1247755748] [2020-09-24 19:34:29,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:29,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:29,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:30,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:30,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-24 19:34:30,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:34:30,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 566 [2020-09-24 19:34:30,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:30,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:34:30,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-24 19:34:30,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 19:34:30,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:30,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:30,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:30,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:30,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:34:30,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:30,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:34:30,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:30,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:30,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:30,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:30,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:34:30,140 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 19:34:30,141 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1247755748] [2020-09-24 19:34:30,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:30,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 19:34:30,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273796413] [2020-09-24 19:34:30,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 19:34:30,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:30,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 19:34:30,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 19:34:30,144 INFO L87 Difference]: Start difference. First operand 186 states and 189 transitions. Second operand 7 states. [2020-09-24 19:34:31,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:31,280 INFO L93 Difference]: Finished difference Result 478 states and 487 transitions. [2020-09-24 19:34:31,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 19:34:31,281 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2020-09-24 19:34:31,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:31,283 INFO L225 Difference]: With dead ends: 478 [2020-09-24 19:34:31,284 INFO L226 Difference]: Without dead ends: 476 [2020-09-24 19:34:31,284 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2020-09-24 19:34:31,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2020-09-24 19:34:31,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 197. [2020-09-24 19:34:31,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-09-24 19:34:31,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 202 transitions. [2020-09-24 19:34:31,296 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 202 transitions. Word has length 69 [2020-09-24 19:34:31,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:31,297 INFO L479 AbstractCegarLoop]: Abstraction has 197 states and 202 transitions. [2020-09-24 19:34:31,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 19:34:31,298 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 202 transitions. [2020-09-24 19:34:31,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-24 19:34:31,299 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:31,299 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] [2020-09-24 19:34:31,299 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 19:34:31,299 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 19:34:31,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:31,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1904710263, now seen corresponding path program 1 times [2020-09-24 19:34:31,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:31,300 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [38488478] [2020-09-24 19:34:31,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:31,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:31,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:31,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:31,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-24 19:34:31,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:34:31,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 448 [2020-09-24 19:34:31,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:31,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:34:31,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-24 19:34:31,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 19:34:31,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:31,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:31,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:31,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:31,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:34:31,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:31,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:34:31,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:31,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:31,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:31,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:31,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:31,861 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 19:34:31,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [38488478] [2020-09-24 19:34:31,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:31,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 19:34:31,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939288002] [2020-09-24 19:34:31,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 19:34:31,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:31,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 19:34:31,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 19:34:31,864 INFO L87 Difference]: Start difference. First operand 197 states and 202 transitions. Second operand 7 states. [2020-09-24 19:34:32,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:32,582 INFO L93 Difference]: Finished difference Result 308 states and 314 transitions. [2020-09-24 19:34:32,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 19:34:32,582 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2020-09-24 19:34:32,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:32,584 INFO L225 Difference]: With dead ends: 308 [2020-09-24 19:34:32,584 INFO L226 Difference]: Without dead ends: 306 [2020-09-24 19:34:32,585 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2020-09-24 19:34:32,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-09-24 19:34:32,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 197. [2020-09-24 19:34:32,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-09-24 19:34:32,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 202 transitions. [2020-09-24 19:34:32,595 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 202 transitions. Word has length 69 [2020-09-24 19:34:32,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:32,595 INFO L479 AbstractCegarLoop]: Abstraction has 197 states and 202 transitions. [2020-09-24 19:34:32,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 19:34:32,595 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 202 transitions. [2020-09-24 19:34:32,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-24 19:34:32,596 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:32,597 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] [2020-09-24 19:34:32,597 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 19:34:32,597 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 19:34:32,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:32,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1472635957, now seen corresponding path program 1 times [2020-09-24 19:34:32,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:32,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [47955192] [2020-09-24 19:34:32,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:32,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:32,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:32,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:32,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:32,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:33,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:33,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-24 19:34:33,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 19:34:33,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-24 19:34:33,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:33,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:34:33,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-24 19:34:33,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 19:34:33,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:33,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:33,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:33,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:33,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:34:33,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:33,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:34:33,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:33,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:33,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:33,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:33,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:33,679 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 19:34:33,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [47955192] [2020-09-24 19:34:33,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:33,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 19:34:33,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743669248] [2020-09-24 19:34:33,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 19:34:33,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:33,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 19:34:33,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 19:34:33,682 INFO L87 Difference]: Start difference. First operand 197 states and 202 transitions. Second operand 7 states. [2020-09-24 19:34:34,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:34,235 INFO L93 Difference]: Finished difference Result 298 states and 304 transitions. [2020-09-24 19:34:34,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 19:34:34,236 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2020-09-24 19:34:34,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:34,238 INFO L225 Difference]: With dead ends: 298 [2020-09-24 19:34:34,238 INFO L226 Difference]: Without dead ends: 296 [2020-09-24 19:34:34,239 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-09-24 19:34:34,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-09-24 19:34:34,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 207. [2020-09-24 19:34:34,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-09-24 19:34:34,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 212 transitions. [2020-09-24 19:34:34,248 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 212 transitions. Word has length 69 [2020-09-24 19:34:34,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:34,249 INFO L479 AbstractCegarLoop]: Abstraction has 207 states and 212 transitions. [2020-09-24 19:34:34,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 19:34:34,249 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 212 transitions. [2020-09-24 19:34:34,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-09-24 19:34:34,250 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:34,250 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] [2020-09-24 19:34:34,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 19:34:34,251 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 19:34:34,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:34,251 INFO L82 PathProgramCache]: Analyzing trace with hash 645172388, now seen corresponding path program 1 times [2020-09-24 19:34:34,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:34,252 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1074616980] [2020-09-24 19:34:34,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:34,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:34,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:34,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:35,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:35,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-24 19:34:35,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:34:35,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-24 19:34:35,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:35,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:34:35,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-24 19:34:35,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 19:34:35,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:34:35,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:35,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:35,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:35,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:34:35,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:35,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:34:35,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:35,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:35,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:35,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:35,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:35,413 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 19:34:35,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1074616980] [2020-09-24 19:34:35,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:35,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 19:34:35,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51857032] [2020-09-24 19:34:35,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 19:34:35,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:35,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 19:34:35,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 19:34:35,424 INFO L87 Difference]: Start difference. First operand 207 states and 212 transitions. Second operand 7 states. [2020-09-24 19:34:35,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:35,955 INFO L93 Difference]: Finished difference Result 316 states and 322 transitions. [2020-09-24 19:34:35,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 19:34:35,956 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2020-09-24 19:34:35,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:35,958 INFO L225 Difference]: With dead ends: 316 [2020-09-24 19:34:35,958 INFO L226 Difference]: Without dead ends: 314 [2020-09-24 19:34:35,959 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2020-09-24 19:34:35,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2020-09-24 19:34:35,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 205. [2020-09-24 19:34:35,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-09-24 19:34:35,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 210 transitions. [2020-09-24 19:34:35,967 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 210 transitions. Word has length 74 [2020-09-24 19:34:35,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:35,968 INFO L479 AbstractCegarLoop]: Abstraction has 205 states and 210 transitions. [2020-09-24 19:34:35,968 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 19:34:35,968 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 210 transitions. [2020-09-24 19:34:35,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-09-24 19:34:35,969 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:35,969 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] [2020-09-24 19:34:35,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 19:34:35,970 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 19:34:35,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:35,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1017357829, now seen corresponding path program 1 times [2020-09-24 19:34:35,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:35,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [573665691] [2020-09-24 19:34:35,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:35,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:36,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:36,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:36,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:36,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-24 19:34:36,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:34:36,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1008 [2020-09-24 19:34:36,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:36,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:34:36,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-24 19:34:36,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 19:34:36,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:37,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:37,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:37,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:37,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:34:37,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:37,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:34:37,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:37,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:37,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:37,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:37,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:37,067 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 19:34:37,067 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [573665691] [2020-09-24 19:34:37,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:37,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 19:34:37,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68052195] [2020-09-24 19:34:37,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 19:34:37,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:37,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 19:34:37,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 19:34:37,070 INFO L87 Difference]: Start difference. First operand 205 states and 210 transitions. Second operand 7 states. [2020-09-24 19:34:37,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:37,339 INFO L93 Difference]: Finished difference Result 205 states and 210 transitions. [2020-09-24 19:34:37,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 19:34:37,340 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2020-09-24 19:34:37,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:37,341 INFO L225 Difference]: With dead ends: 205 [2020-09-24 19:34:37,341 INFO L226 Difference]: Without dead ends: 203 [2020-09-24 19:34:37,342 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-09-24 19:34:37,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-09-24 19:34:37,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 193. [2020-09-24 19:34:37,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-09-24 19:34:37,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 198 transitions. [2020-09-24 19:34:37,350 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 198 transitions. Word has length 74 [2020-09-24 19:34:37,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:37,350 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 198 transitions. [2020-09-24 19:34:37,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 19:34:37,351 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 198 transitions. [2020-09-24 19:34:37,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-09-24 19:34:37,351 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:37,352 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] [2020-09-24 19:34:37,352 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 19:34:37,352 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 19:34:37,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:37,353 INFO L82 PathProgramCache]: Analyzing trace with hash -2127372300, now seen corresponding path program 1 times [2020-09-24 19:34:37,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:37,353 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [885770948] [2020-09-24 19:34:37,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:37,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:37,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:37,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:37,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:38,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:38,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-24 19:34:38,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 19:34:38,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-24 19:34:38,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:38,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:34:38,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-09-24 19:34:38,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 19:34:38,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:34:38,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:38,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:38,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:38,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:34:38,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:38,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:34:38,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:38,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:38,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:38,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:38,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:34:38,438 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 19:34:38,439 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [885770948] [2020-09-24 19:34:38,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:38,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 19:34:38,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159543737] [2020-09-24 19:34:38,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 19:34:38,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:38,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 19:34:38,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 19:34:38,442 INFO L87 Difference]: Start difference. First operand 193 states and 198 transitions. Second operand 4 states. [2020-09-24 19:34:38,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:38,769 INFO L93 Difference]: Finished difference Result 292 states and 298 transitions. [2020-09-24 19:34:38,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 19:34:38,770 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 75 [2020-09-24 19:34:38,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:38,772 INFO L225 Difference]: With dead ends: 292 [2020-09-24 19:34:38,772 INFO L226 Difference]: Without dead ends: 193 [2020-09-24 19:34:38,774 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 19:34:38,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-09-24 19:34:38,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2020-09-24 19:34:38,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-09-24 19:34:38,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 196 transitions. [2020-09-24 19:34:38,784 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 196 transitions. Word has length 75 [2020-09-24 19:34:38,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:38,784 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 196 transitions. [2020-09-24 19:34:38,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 19:34:38,785 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 196 transitions. [2020-09-24 19:34:38,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-09-24 19:34:38,785 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:38,786 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, 1, 1] [2020-09-24 19:34:38,786 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 19:34:38,786 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 19:34:38,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:38,787 INFO L82 PathProgramCache]: Analyzing trace with hash 661067438, now seen corresponding path program 1 times [2020-09-24 19:34:38,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:38,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1310543693] [2020-09-24 19:34:38,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:38,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:38,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:38,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:39,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:39,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:39,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:39,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:39,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-24 19:34:39,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 19:34:39,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1006 [2020-09-24 19:34:39,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:39,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 19:34:39,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-24 19:34:39,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-24 19:34:39,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:39,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:39,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:39,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:39,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:34:39,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:39,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:34:39,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:39,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:39,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:39,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:39,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:34:39,951 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 19:34:39,952 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1310543693] [2020-09-24 19:34:39,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:39,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 19:34:39,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167522793] [2020-09-24 19:34:39,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 19:34:39,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:39,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 19:34:39,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 19:34:39,954 INFO L87 Difference]: Start difference. First operand 193 states and 196 transitions. Second operand 8 states. [2020-09-24 19:34:40,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:40,371 INFO L93 Difference]: Finished difference Result 193 states and 196 transitions. [2020-09-24 19:34:40,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 19:34:40,371 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-09-24 19:34:40,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:40,373 INFO L225 Difference]: With dead ends: 193 [2020-09-24 19:34:40,373 INFO L226 Difference]: Without dead ends: 191 [2020-09-24 19:34:40,374 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-09-24 19:34:40,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-09-24 19:34:40,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2020-09-24 19:34:40,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-09-24 19:34:40,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 194 transitions. [2020-09-24 19:34:40,382 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 194 transitions. Word has length 80 [2020-09-24 19:34:40,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:40,382 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 194 transitions. [2020-09-24 19:34:40,383 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 19:34:40,383 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 194 transitions. [2020-09-24 19:34:40,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-09-24 19:34:40,384 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:40,384 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, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:34:40,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-24 19:34:40,385 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 19:34:40,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:40,385 INFO L82 PathProgramCache]: Analyzing trace with hash -111708917, now seen corresponding path program 1 times [2020-09-24 19:34:40,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:40,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [117531979] [2020-09-24 19:34:40,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:40,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:40,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:40,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:40,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:41,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:41,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-24 19:34:41,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 19:34:41,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-24 19:34:41,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:41,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:34:41,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-24 19:34:41,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-24 19:34:41,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:34:41,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:41,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:41,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:41,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:34:41,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:41,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:34:41,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:41,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:41,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:41,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:41,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:34:41,476 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 19:34:41,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [117531979] [2020-09-24 19:34:41,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:41,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 19:34:41,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772973893] [2020-09-24 19:34:41,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 19:34:41,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:41,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 19:34:41,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 19:34:41,479 INFO L87 Difference]: Start difference. First operand 191 states and 194 transitions. Second operand 7 states. [2020-09-24 19:34:41,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:41,770 INFO L93 Difference]: Finished difference Result 191 states and 194 transitions. [2020-09-24 19:34:41,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 19:34:41,770 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 85 [2020-09-24 19:34:41,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:41,772 INFO L225 Difference]: With dead ends: 191 [2020-09-24 19:34:41,772 INFO L226 Difference]: Without dead ends: 189 [2020-09-24 19:34:41,773 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-09-24 19:34:41,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-09-24 19:34:41,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2020-09-24 19:34:41,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-09-24 19:34:41,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 192 transitions. [2020-09-24 19:34:41,781 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 192 transitions. Word has length 85 [2020-09-24 19:34:41,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:41,781 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 192 transitions. [2020-09-24 19:34:41,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 19:34:41,781 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 192 transitions. [2020-09-24 19:34:41,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-09-24 19:34:41,782 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:41,783 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:34:41,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-24 19:34:41,783 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 19:34:41,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:41,784 INFO L82 PathProgramCache]: Analyzing trace with hash 462594596, now seen corresponding path program 1 times [2020-09-24 19:34:41,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:41,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2114779608] [2020-09-24 19:34:41,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:41,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:41,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:41,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:42,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:42,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 19:34:42,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:34:42,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-24 19:34:42,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:42,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 19:34:42,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-24 19:34:42,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-24 19:34:42,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:34:42,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:42,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:42,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:42,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:34:42,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:42,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:34:42,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:42,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:42,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:42,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:42,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-24 19:34:42,981 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-24 19:34:42,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2114779608] [2020-09-24 19:34:42,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 19:34:42,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 19:34:42,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896678644] [2020-09-24 19:34:42,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 19:34:42,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:42,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 19:34:42,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 19:34:42,986 INFO L87 Difference]: Start difference. First operand 189 states and 192 transitions. Second operand 8 states. [2020-09-24 19:34:43,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:43,616 INFO L93 Difference]: Finished difference Result 279 states and 283 transitions. [2020-09-24 19:34:43,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 19:34:43,616 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 86 [2020-09-24 19:34:43,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:43,618 INFO L225 Difference]: With dead ends: 279 [2020-09-24 19:34:43,618 INFO L226 Difference]: Without dead ends: 277 [2020-09-24 19:34:43,619 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2020-09-24 19:34:43,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-09-24 19:34:43,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 182. [2020-09-24 19:34:43,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-09-24 19:34:43,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 185 transitions. [2020-09-24 19:34:43,627 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 185 transitions. Word has length 86 [2020-09-24 19:34:43,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:43,628 INFO L479 AbstractCegarLoop]: Abstraction has 182 states and 185 transitions. [2020-09-24 19:34:43,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 19:34:43,629 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 185 transitions. [2020-09-24 19:34:43,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-09-24 19:34:43,630 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:43,630 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:34:43,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-24 19:34:43,631 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 19:34:43,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:43,632 INFO L82 PathProgramCache]: Analyzing trace with hash -748130612, now seen corresponding path program 1 times [2020-09-24 19:34:43,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:43,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [187271646] [2020-09-24 19:34:43,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:43,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:43,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:43,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:44,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:44,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 19:34:44,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:34:44,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1005 [2020-09-24 19:34:44,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:44,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 19:34:44,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-24 19:34:44,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-24 19:34:44,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:34:44,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:44,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:44,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:44,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:34:44,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:44,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:34:44,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:44,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:44,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:44,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:44,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:44,754 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-24 19:34:44,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [187271646] [2020-09-24 19:34:44,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 19:34:44,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 19:34:44,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579959306] [2020-09-24 19:34:44,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 19:34:44,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:44,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 19:34:44,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 19:34:44,757 INFO L87 Difference]: Start difference. First operand 182 states and 185 transitions. Second operand 8 states. [2020-09-24 19:34:45,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:45,103 INFO L93 Difference]: Finished difference Result 182 states and 185 transitions. [2020-09-24 19:34:45,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 19:34:45,104 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 86 [2020-09-24 19:34:45,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:45,105 INFO L225 Difference]: With dead ends: 182 [2020-09-24 19:34:45,105 INFO L226 Difference]: Without dead ends: 180 [2020-09-24 19:34:45,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-09-24 19:34:45,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-09-24 19:34:45,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 169. [2020-09-24 19:34:45,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-09-24 19:34:45,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 171 transitions. [2020-09-24 19:34:45,115 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 171 transitions. Word has length 86 [2020-09-24 19:34:45,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:45,116 INFO L479 AbstractCegarLoop]: Abstraction has 169 states and 171 transitions. [2020-09-24 19:34:45,116 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 19:34:45,116 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 171 transitions. [2020-09-24 19:34:45,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-09-24 19:34:45,117 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:45,117 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:34:45,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-24 19:34:45,117 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 19:34:45,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:45,118 INFO L82 PathProgramCache]: Analyzing trace with hash -228867626, now seen corresponding path program 1 times [2020-09-24 19:34:45,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:45,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1210616195] [2020-09-24 19:34:45,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:45,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:45,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:45,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:45,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:45,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:45,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:46,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:46,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-24 19:34:46,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 19:34:46,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1004 [2020-09-24 19:34:46,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:46,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 19:34:46,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-24 19:34:46,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-24 19:34:46,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:46,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:46,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:46,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:46,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:34:46,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:46,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:34:46,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:46,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:46,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:46,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:46,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:46,246 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 19:34:46,246 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1210616195] [2020-09-24 19:34:46,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:46,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 19:34:46,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391570002] [2020-09-24 19:34:46,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 19:34:46,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:46,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 19:34:46,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 19:34:46,248 INFO L87 Difference]: Start difference. First operand 169 states and 171 transitions. Second operand 8 states. [2020-09-24 19:34:46,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:46,744 INFO L93 Difference]: Finished difference Result 169 states and 171 transitions. [2020-09-24 19:34:46,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 19:34:46,744 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2020-09-24 19:34:46,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:46,746 INFO L225 Difference]: With dead ends: 169 [2020-09-24 19:34:46,746 INFO L226 Difference]: Without dead ends: 167 [2020-09-24 19:34:46,747 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-09-24 19:34:46,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-09-24 19:34:46,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2020-09-24 19:34:46,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-09-24 19:34:46,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 169 transitions. [2020-09-24 19:34:46,756 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 169 transitions. Word has length 99 [2020-09-24 19:34:46,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:46,756 INFO L479 AbstractCegarLoop]: Abstraction has 167 states and 169 transitions. [2020-09-24 19:34:46,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 19:34:46,757 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 169 transitions. [2020-09-24 19:34:46,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-09-24 19:34:46,759 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:46,759 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, 1, 1, 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 19:34:46,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-24 19:34:46,760 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 19:34:46,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:46,760 INFO L82 PathProgramCache]: Analyzing trace with hash -101561912, now seen corresponding path program 1 times [2020-09-24 19:34:46,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:46,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [433570526] [2020-09-24 19:34:46,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:46,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:46,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:46,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:46,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:47,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:47,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:47,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 19:34:47,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 19:34:47,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1008 [2020-09-24 19:34:47,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:47,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 19:34:47,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-24 19:34:47,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 19:34:47,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:34:47,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:47,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:47,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:47,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:34:47,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:47,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:34:47,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:47,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:47,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:47,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:47,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:34:47,895 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 19:34:47,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [433570526] [2020-09-24 19:34:47,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:47,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 19:34:47,896 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684441209] [2020-09-24 19:34:47,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 19:34:47,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:47,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 19:34:47,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 19:34:47,898 INFO L87 Difference]: Start difference. First operand 167 states and 169 transitions. Second operand 8 states. [2020-09-24 19:34:48,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:48,332 INFO L93 Difference]: Finished difference Result 207 states and 210 transitions. [2020-09-24 19:34:48,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 19:34:48,332 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2020-09-24 19:34:48,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:48,334 INFO L225 Difference]: With dead ends: 207 [2020-09-24 19:34:48,334 INFO L226 Difference]: Without dead ends: 205 [2020-09-24 19:34:48,335 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-09-24 19:34:48,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-09-24 19:34:48,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 165. [2020-09-24 19:34:48,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-09-24 19:34:48,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 167 transitions. [2020-09-24 19:34:48,342 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 167 transitions. Word has length 104 [2020-09-24 19:34:48,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:48,342 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 167 transitions. [2020-09-24 19:34:48,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 19:34:48,342 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 167 transitions. [2020-09-24 19:34:48,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-09-24 19:34:48,343 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:48,344 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:34:48,344 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-24 19:34:48,349 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 19:34:48,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:48,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1039394916, now seen corresponding path program 1 times [2020-09-24 19:34:48,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:48,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [303912345] [2020-09-24 19:34:48,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:48,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:48,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:48,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:48,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:48,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:49,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:49,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-24 19:34:49,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 19:34:49,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-24 19:34:49,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:49,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 19:34:49,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-09-24 19:34:49,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 19:34:49,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:34:49,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:49,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:49,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:49,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:34:49,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:49,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:34:49,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:49,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:49,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:49,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:49,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:49,478 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 19:34:49,478 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [303912345] [2020-09-24 19:34:49,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:49,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 19:34:49,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406673612] [2020-09-24 19:34:49,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 19:34:49,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:49,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 19:34:49,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 19:34:49,483 INFO L87 Difference]: Start difference. First operand 165 states and 167 transitions. Second operand 8 states. [2020-09-24 19:34:50,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:50,311 INFO L93 Difference]: Finished difference Result 219 states and 222 transitions. [2020-09-24 19:34:50,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 19:34:50,312 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 111 [2020-09-24 19:34:50,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:50,313 INFO L225 Difference]: With dead ends: 219 [2020-09-24 19:34:50,313 INFO L226 Difference]: Without dead ends: 217 [2020-09-24 19:34:50,314 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-09-24 19:34:50,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-09-24 19:34:50,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 172. [2020-09-24 19:34:50,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-09-24 19:34:50,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 174 transitions. [2020-09-24 19:34:50,323 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 174 transitions. Word has length 111 [2020-09-24 19:34:50,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:50,324 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 174 transitions. [2020-09-24 19:34:50,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 19:34:50,324 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 174 transitions. [2020-09-24 19:34:50,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-09-24 19:34:50,325 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:50,325 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:34:50,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-24 19:34:50,325 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 19:34:50,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:50,326 INFO L82 PathProgramCache]: Analyzing trace with hash -109554473, now seen corresponding path program 1 times [2020-09-24 19:34:50,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:50,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1388975810] [2020-09-24 19:34:50,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:50,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:50,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:50,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:50,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:50,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:51,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:51,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-09-24 19:34:51,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 19:34:51,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-24 19:34:51,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:51,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 19:34:51,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-24 19:34:51,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-24 19:34:51,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:51,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:51,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:51,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:51,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:34:51,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:51,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:34:51,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:51,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:51,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:51,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:51,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:51,437 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 19:34:51,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1388975810] [2020-09-24 19:34:51,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:51,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 19:34:51,438 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447923261] [2020-09-24 19:34:51,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 19:34:51,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:51,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 19:34:51,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 19:34:51,439 INFO L87 Difference]: Start difference. First operand 172 states and 174 transitions. Second operand 8 states. [2020-09-24 19:34:52,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:52,038 INFO L93 Difference]: Finished difference Result 215 states and 218 transitions. [2020-09-24 19:34:52,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 19:34:52,039 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 116 [2020-09-24 19:34:52,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:52,040 INFO L225 Difference]: With dead ends: 215 [2020-09-24 19:34:52,040 INFO L226 Difference]: Without dead ends: 213 [2020-09-24 19:34:52,041 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2020-09-24 19:34:52,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-09-24 19:34:52,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 170. [2020-09-24 19:34:52,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-09-24 19:34:52,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 172 transitions. [2020-09-24 19:34:52,048 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 172 transitions. Word has length 116 [2020-09-24 19:34:52,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:52,048 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 172 transitions. [2020-09-24 19:34:52,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 19:34:52,049 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 172 transitions. [2020-09-24 19:34:52,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-09-24 19:34:52,050 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:52,050 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:34:52,050 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-24 19:34:52,050 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 19:34:52,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:52,051 INFO L82 PathProgramCache]: Analyzing trace with hash -533911886, now seen corresponding path program 1 times [2020-09-24 19:34:52,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:52,051 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [200570659] [2020-09-24 19:34:52,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:52,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:52,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:52,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-24 19:34:52,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:52,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-09-24 19:34:52,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:52,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:34:52,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-09-24 19:34:52,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 19:34:52,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:52,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:52,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:52,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:52,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:34:52,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:52,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:34:52,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:52,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:52,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:52,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:52,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:52,354 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 19:34:52,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [200570659] [2020-09-24 19:34:52,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:52,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 19:34:52,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622758757] [2020-09-24 19:34:52,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 19:34:52,358 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:52,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 19:34:52,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 19:34:52,358 INFO L87 Difference]: Start difference. First operand 170 states and 172 transitions. Second operand 7 states. [2020-09-24 19:34:53,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:53,014 INFO L93 Difference]: Finished difference Result 197 states and 200 transitions. [2020-09-24 19:34:53,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 19:34:53,015 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 127 [2020-09-24 19:34:53,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:53,017 INFO L225 Difference]: With dead ends: 197 [2020-09-24 19:34:53,017 INFO L226 Difference]: Without dead ends: 195 [2020-09-24 19:34:53,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2020-09-24 19:34:53,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-09-24 19:34:53,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 168. [2020-09-24 19:34:53,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-09-24 19:34:53,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 170 transitions. [2020-09-24 19:34:53,028 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 170 transitions. Word has length 127 [2020-09-24 19:34:53,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:53,029 INFO L479 AbstractCegarLoop]: Abstraction has 168 states and 170 transitions. [2020-09-24 19:34:53,029 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 19:34:53,029 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 170 transitions. [2020-09-24 19:34:53,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-09-24 19:34:53,031 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:53,032 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:34:53,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-24 19:34:53,032 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 19:34:53,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:53,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1320919986, now seen corresponding path program 1 times [2020-09-24 19:34:53,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:53,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1820480937] [2020-09-24 19:34:53,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:53,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:53,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:53,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:53,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:53,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:53,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:53,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:54,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:54,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-09-24 19:34:54,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-24 19:34:54,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1010 [2020-09-24 19:34:54,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:54,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 19:34:54,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-09-24 19:34:54,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-24 19:34:54,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:54,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:54,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:54,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:54,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:34:54,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:54,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:34:54,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:54,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:54,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:54,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:54,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:54,208 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-24 19:34:54,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1820480937] [2020-09-24 19:34:54,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 19:34:54,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-24 19:34:54,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044702077] [2020-09-24 19:34:54,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 19:34:54,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:54,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 19:34:54,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 19:34:54,210 INFO L87 Difference]: Start difference. First operand 168 states and 170 transitions. Second operand 9 states. [2020-09-24 19:34:54,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:54,978 INFO L93 Difference]: Finished difference Result 168 states and 170 transitions. [2020-09-24 19:34:54,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 19:34:54,978 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 129 [2020-09-24 19:34:54,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:54,980 INFO L225 Difference]: With dead ends: 168 [2020-09-24 19:34:54,980 INFO L226 Difference]: Without dead ends: 166 [2020-09-24 19:34:54,980 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2020-09-24 19:34:54,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-09-24 19:34:54,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 159. [2020-09-24 19:34:54,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-09-24 19:34:54,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 161 transitions. [2020-09-24 19:34:54,987 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 161 transitions. Word has length 129 [2020-09-24 19:34:54,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:54,987 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 161 transitions. [2020-09-24 19:34:54,987 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 19:34:54,987 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 161 transitions. [2020-09-24 19:34:54,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-09-24 19:34:54,988 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:54,989 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:34:54,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-24 19:34:54,990 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 19:34:54,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:54,990 INFO L82 PathProgramCache]: Analyzing trace with hash 639938535, now seen corresponding path program 1 times [2020-09-24 19:34:54,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:54,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1619500569] [2020-09-24 19:34:54,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:55,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:55,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:55,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-09-24 19:34:55,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:55,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 218 [2020-09-24 19:34:55,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:55,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:34:55,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-09-24 19:34:55,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-24 19:34:55,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:55,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:55,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:55,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:55,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:34:55,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:55,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:34:55,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:55,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:55,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:55,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:55,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:55,307 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 19:34:55,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1619500569] [2020-09-24 19:34:55,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:55,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 19:34:55,308 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285939441] [2020-09-24 19:34:55,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 19:34:55,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:55,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 19:34:55,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 19:34:55,310 INFO L87 Difference]: Start difference. First operand 159 states and 161 transitions. Second operand 7 states. [2020-09-24 19:34:55,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:55,744 INFO L93 Difference]: Finished difference Result 186 states and 189 transitions. [2020-09-24 19:34:55,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 19:34:55,746 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 132 [2020-09-24 19:34:55,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:55,747 INFO L225 Difference]: With dead ends: 186 [2020-09-24 19:34:55,747 INFO L226 Difference]: Without dead ends: 184 [2020-09-24 19:34:55,748 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2020-09-24 19:34:55,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2020-09-24 19:34:55,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 157. [2020-09-24 19:34:55,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-09-24 19:34:55,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 159 transitions. [2020-09-24 19:34:55,754 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 159 transitions. Word has length 132 [2020-09-24 19:34:55,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:55,754 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 159 transitions. [2020-09-24 19:34:55,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 19:34:55,754 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 159 transitions. [2020-09-24 19:34:55,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-09-24 19:34:55,755 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:55,756 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:34:55,756 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-09-24 19:34:55,756 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 19:34:55,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:55,756 INFO L82 PathProgramCache]: Analyzing trace with hash 629919005, now seen corresponding path program 1 times [2020-09-24 19:34:55,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:55,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [455908421] [2020-09-24 19:34:55,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:55,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:55,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:55,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:55,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:55,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:56,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:56,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:56,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:56,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:56,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 19:34:56,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-24 19:34:56,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1005 [2020-09-24 19:34:56,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:56,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 19:34:56,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-09-24 19:34:56,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 19:34:56,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:56,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:56,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:56,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:56,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:34:56,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:56,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:34:56,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:56,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:56,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:56,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:56,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:56,888 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 19:34:56,888 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [455908421] [2020-09-24 19:34:56,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:56,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 19:34:56,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624469444] [2020-09-24 19:34:56,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 19:34:56,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:56,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 19:34:56,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 19:34:56,890 INFO L87 Difference]: Start difference. First operand 157 states and 159 transitions. Second operand 8 states. [2020-09-24 19:34:57,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:57,857 INFO L93 Difference]: Finished difference Result 263 states and 268 transitions. [2020-09-24 19:34:57,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 19:34:57,858 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 137 [2020-09-24 19:34:57,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:57,860 INFO L225 Difference]: With dead ends: 263 [2020-09-24 19:34:57,860 INFO L226 Difference]: Without dead ends: 261 [2020-09-24 19:34:57,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-09-24 19:34:57,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2020-09-24 19:34:57,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 190. [2020-09-24 19:34:57,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-09-24 19:34:57,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 193 transitions. [2020-09-24 19:34:57,870 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 193 transitions. Word has length 137 [2020-09-24 19:34:57,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:57,870 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 193 transitions. [2020-09-24 19:34:57,870 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 19:34:57,870 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 193 transitions. [2020-09-24 19:34:57,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 19:34:57,872 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:57,872 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:34:57,872 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-09-24 19:34:57,872 INFO L427 AbstractCegarLoop]: === Iteration 24 === [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 19:34:57,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:57,873 INFO L82 PathProgramCache]: Analyzing trace with hash -2016104718, now seen corresponding path program 1 times [2020-09-24 19:34:57,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:57,873 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1997132816] [2020-09-24 19:34:57,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:57,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:57,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:57,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:58,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:58,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:58,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:58,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:58,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:58,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-09-24 19:34:58,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-24 19:34:58,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-24 19:34:58,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:58,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 19:34:58,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-24 19:34:58,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-24 19:34:58,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:58,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:34:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:58,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:58,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:34:58,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:34:58,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:34:58,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:34:58,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:34:58,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:34:58,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:34:58,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:34:58,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:34:58,992 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 19:34:58,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1997132816] [2020-09-24 19:34:58,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:34:58,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 19:34:58,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247055030] [2020-09-24 19:34:58,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 19:34:58,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:34:58,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 19:34:58,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 19:34:58,994 INFO L87 Difference]: Start difference. First operand 190 states and 193 transitions. Second operand 8 states. [2020-09-24 19:34:59,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:34:59,690 INFO L93 Difference]: Finished difference Result 269 states and 274 transitions. [2020-09-24 19:34:59,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 19:34:59,691 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-24 19:34:59,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:34:59,693 INFO L225 Difference]: With dead ends: 269 [2020-09-24 19:34:59,694 INFO L226 Difference]: Without dead ends: 267 [2020-09-24 19:34:59,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2020-09-24 19:34:59,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2020-09-24 19:34:59,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 188. [2020-09-24 19:34:59,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-09-24 19:34:59,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 191 transitions. [2020-09-24 19:34:59,703 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 191 transitions. Word has length 142 [2020-09-24 19:34:59,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:34:59,703 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 191 transitions. [2020-09-24 19:34:59,703 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 19:34:59,703 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 191 transitions. [2020-09-24 19:34:59,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-09-24 19:34:59,705 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:34:59,705 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:34:59,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-09-24 19:34:59,706 INFO L427 AbstractCegarLoop]: === Iteration 25 === [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 19:34:59,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:34:59,706 INFO L82 PathProgramCache]: Analyzing trace with hash -377298197, now seen corresponding path program 1 times [2020-09-24 19:34:59,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:34:59,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1903007647] [2020-09-24 19:34:59,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:34:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:34:59,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:59,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:59,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:59,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:34:59,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:35:00,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:35:00,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:35:00,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:35:00,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-09-24 19:35:00,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-24 19:35:00,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1008 [2020-09-24 19:35:00,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:35:00,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 19:35:00,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 131 [2020-09-24 19:35:00,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 19:35:00,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:35:00,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:35:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:35:00,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:35:00,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:35:00,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:35:00,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:35:00,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:35:00,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:35:00,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:35:00,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:35:00,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:35:00,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:35:00,875 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-24 19:35:00,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1903007647] [2020-09-24 19:35:00,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:35:00,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 19:35:00,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830019462] [2020-09-24 19:35:00,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 19:35:00,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:35:00,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 19:35:00,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-24 19:35:00,877 INFO L87 Difference]: Start difference. First operand 188 states and 191 transitions. Second operand 8 states. [2020-09-24 19:35:01,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:35:01,568 INFO L93 Difference]: Finished difference Result 220 states and 224 transitions. [2020-09-24 19:35:01,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 19:35:01,569 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2020-09-24 19:35:01,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:35:01,571 INFO L225 Difference]: With dead ends: 220 [2020-09-24 19:35:01,571 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 19:35:01,573 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2020-09-24 19:35:01,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 19:35:01,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 19:35:01,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 19:35:01,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 19:35:01,575 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2020-09-24 19:35:01,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:35:01,575 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 19:35:01,575 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 19:35:01,576 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 19:35:01,576 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 19:35:01,576 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-09-24 19:35:01,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 19:35:01,755 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 47 [2020-09-24 19:35:02,228 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 95 [2020-09-24 19:35:02,449 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 76 [2020-09-24 19:35:02,886 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 146 [2020-09-24 19:35:03,228 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 70 [2020-09-24 19:35:03,388 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 37 [2020-09-24 19:35:04,142 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 99 [2020-09-24 19:35:04,146 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-24 19:35:04,147 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-24 19:35:04,147 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|)) [2020-09-24 19:35:04,147 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 19:35:04,147 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 19:35:04,147 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-24 19:35:04,148 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 19:35:04,148 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 19:35:04,148 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-09-24 19:35:04,148 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-09-24 19:35:04,148 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-09-24 19:35:04,148 INFO L268 CegarLoopResult]: For program point L5-3(lines 4 6) no Hoare annotation was computed. [2020-09-24 19:35:04,148 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-09-24 19:35:04,148 INFO L268 CegarLoopResult]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2020-09-24 19:35:04,149 INFO L268 CegarLoopResult]: For program point L382(lines 382 391) no Hoare annotation was computed. [2020-09-24 19:35:04,149 INFO L268 CegarLoopResult]: For program point L283(line 283) no Hoare annotation was computed. [2020-09-24 19:35:04,149 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2020-09-24 19:35:04,149 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 11 437) no Hoare annotation was computed. [2020-09-24 19:35:04,149 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-24 19:35:04,149 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-24 19:35:04,149 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-24 19:35:04,149 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2020-09-24 19:35:04,149 INFO L268 CegarLoopResult]: For program point L19-1(line 19) no Hoare annotation was computed. [2020-09-24 19:35:04,150 INFO L268 CegarLoopResult]: For program point L19-2(line 19) no Hoare annotation was computed. [2020-09-24 19:35:04,150 INFO L264 CegarLoopResult]: At program point L399(lines 129 400) the Hoare annotation is: (and (< 0 main_~main__scheme~0) (<= 1 main_~__tmp_3~0) (= |old(~__return_375~0)| ~__return_375~0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= (+ main_~main__cp~0 1) main_~main__urilen~0) (<= 1 main_~__VERIFIER_assert__cond~2) (not (= main_~__tmp_2~0 0)) (not (= main_~__tmp_4~0 0)) (<= 1 main_~__tmp_1~0) (not (= main_~__VERIFIER_assert__cond~3 0)) (<= 1 main_~main__cp~0) (not (= main_~__VERIFIER_assert__cond~1 0)) (<= (+ main_~main__scheme~0 1) main_~main__urilen~0)) [2020-09-24 19:35:04,150 INFO L268 CegarLoopResult]: For program point L366(line 366) no Hoare annotation was computed. [2020-09-24 19:35:04,150 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-09-24 19:35:04,150 INFO L268 CegarLoopResult]: For program point L267(line 267) no Hoare annotation was computed. [2020-09-24 19:35:04,150 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-09-24 19:35:04,150 INFO L268 CegarLoopResult]: For program point L201-1(line 201) no Hoare annotation was computed. [2020-09-24 19:35:04,151 INFO L268 CegarLoopResult]: For program point L201-2(line 201) no Hoare annotation was computed. [2020-09-24 19:35:04,151 INFO L268 CegarLoopResult]: For program point L102(lines 102 409) no Hoare annotation was computed. [2020-09-24 19:35:04,151 INFO L268 CegarLoopResult]: For program point L69(lines 69 414) no Hoare annotation was computed. [2020-09-24 19:35:04,151 INFO L268 CegarLoopResult]: For program point L251(lines 251 327) no Hoare annotation was computed. [2020-09-24 19:35:04,151 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-09-24 19:35:04,151 INFO L268 CegarLoopResult]: For program point L185(lines 185 353) no Hoare annotation was computed. [2020-09-24 19:35:04,151 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-09-24 19:35:04,152 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-09-24 19:35:04,152 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-24 19:35:04,152 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-09-24 19:35:04,152 INFO L268 CegarLoopResult]: For program point L20-1(line 20) no Hoare annotation was computed. [2020-09-24 19:35:04,152 INFO L268 CegarLoopResult]: For program point L20-2(line 20) no Hoare annotation was computed. [2020-09-24 19:35:04,152 INFO L268 CegarLoopResult]: For program point L367(line 367) no Hoare annotation was computed. [2020-09-24 19:35:04,152 INFO L268 CegarLoopResult]: For program point L301(line 301) no Hoare annotation was computed. [2020-09-24 19:35:04,152 INFO L268 CegarLoopResult]: For program point L268(lines 268 320) no Hoare annotation was computed. [2020-09-24 19:35:04,153 INFO L268 CegarLoopResult]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 294) no Hoare annotation was computed. [2020-09-24 19:35:04,153 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-09-24 19:35:04,153 INFO L268 CegarLoopResult]: For program point L202(lines 202 351) no Hoare annotation was computed. [2020-09-24 19:35:04,153 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-24 19:35:04,153 INFO L268 CegarLoopResult]: For program point L384(line 384) no Hoare annotation was computed. [2020-09-24 19:35:04,153 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-09-24 19:35:04,153 INFO L268 CegarLoopResult]: For program point L153(lines 153 358) no Hoare annotation was computed. [2020-09-24 19:35:04,153 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-09-24 19:35:04,153 INFO L268 CegarLoopResult]: For program point L21(lines 21 436) no Hoare annotation was computed. [2020-09-24 19:35:04,154 INFO L268 CegarLoopResult]: For program point L368(line 368) no Hoare annotation was computed. [2020-09-24 19:35:04,154 INFO L268 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-09-24 19:35:04,154 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 11 437) no Hoare annotation was computed. [2020-09-24 19:35:04,154 INFO L268 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-09-24 19:35:04,154 INFO L268 CegarLoopResult]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 282) no Hoare annotation was computed. [2020-09-24 19:35:04,154 INFO L268 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-09-24 19:35:04,154 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-09-24 19:35:04,155 INFO L268 CegarLoopResult]: For program point L385(line 385) no Hoare annotation was computed. [2020-09-24 19:35:04,155 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-09-24 19:35:04,155 INFO L268 CegarLoopResult]: For program point L220(line 220) no Hoare annotation was computed. [2020-09-24 19:35:04,155 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-24 19:35:04,155 INFO L268 CegarLoopResult]: For program point L121(lines 121 401) no Hoare annotation was computed. [2020-09-24 19:35:04,155 INFO L268 CegarLoopResult]: For program point L369(line 369) no Hoare annotation was computed. [2020-09-24 19:35:04,155 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-09-24 19:35:04,155 INFO L268 CegarLoopResult]: For program point L270(line 270) no Hoare annotation was computed. [2020-09-24 19:35:04,155 INFO L268 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2020-09-24 19:35:04,156 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-09-24 19:35:04,156 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-09-24 19:35:04,156 INFO L268 CegarLoopResult]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 212) no Hoare annotation was computed. [2020-09-24 19:35:04,156 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-09-24 19:35:04,156 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-09-24 19:35:04,156 INFO L268 CegarLoopResult]: For program point L39(lines 39 433) no Hoare annotation was computed. [2020-09-24 19:35:04,156 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-09-24 19:35:04,156 INFO L268 CegarLoopResult]: For program point L254(line 254) no Hoare annotation was computed. [2020-09-24 19:35:04,156 INFO L268 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed. [2020-09-24 19:35:04,157 INFO L268 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-09-24 19:35:04,157 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-09-24 19:35:04,157 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-24 19:35:04,157 INFO L268 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed. [2020-09-24 19:35:04,157 INFO L268 CegarLoopResult]: For program point L370(lines 370 393) no Hoare annotation was computed. [2020-09-24 19:35:04,157 INFO L268 CegarLoopResult]: For program point L304(lines 304 314) no Hoare annotation was computed. [2020-09-24 19:35:04,157 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-09-24 19:35:04,157 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-09-24 19:35:04,158 INFO L268 CegarLoopResult]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 306) no Hoare annotation was computed. [2020-09-24 19:35:04,158 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-24 19:35:04,158 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-24 19:35:04,158 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-24 19:35:04,158 INFO L268 CegarLoopResult]: For program point L288(line 288) no Hoare annotation was computed. [2020-09-24 19:35:04,158 INFO L268 CegarLoopResult]: For program point L222(lines 222 342) no Hoare annotation was computed. [2020-09-24 19:35:04,158 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-09-24 19:35:04,158 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-09-24 19:35:04,159 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-24 19:35:04,159 INFO L268 CegarLoopResult]: For program point L57(lines 57 430) no Hoare annotation was computed. [2020-09-24 19:35:04,159 INFO L268 CegarLoopResult]: For program point L239(lines 239 329) no Hoare annotation was computed. [2020-09-24 19:35:04,159 INFO L268 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-09-24 19:35:04,159 INFO L268 CegarLoopResult]: For program point L173(lines 173 355) no Hoare annotation was computed. [2020-09-24 19:35:04,159 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-09-24 19:35:04,159 INFO L268 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-09-24 19:35:04,159 INFO L268 CegarLoopResult]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 241) no Hoare annotation was computed. [2020-09-24 19:35:04,160 INFO L268 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-09-24 19:35:04,160 INFO L268 CegarLoopResult]: For program point L289(line 289) no Hoare annotation was computed. [2020-09-24 19:35:04,160 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-24 19:35:04,160 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-24 19:35:04,160 INFO L268 CegarLoopResult]: For program point L372(line 372) no Hoare annotation was computed. [2020-09-24 19:35:04,160 INFO L268 CegarLoopResult]: For program point L306(line 306) no Hoare annotation was computed. [2020-09-24 19:35:04,160 INFO L268 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-09-24 19:35:04,160 INFO L268 CegarLoopResult]: For program point L141(lines 141 360) no Hoare annotation was computed. [2020-09-24 19:35:04,161 INFO L268 CegarLoopResult]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 224) no Hoare annotation was computed. [2020-09-24 19:35:04,161 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-09-24 19:35:04,161 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-09-24 19:35:04,161 INFO L268 CegarLoopResult]: For program point L389(line 389) no Hoare annotation was computed. [2020-09-24 19:35:04,161 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-09-24 19:35:04,161 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-09-24 19:35:04,161 INFO L268 CegarLoopResult]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 143) no Hoare annotation was computed. [2020-09-24 19:35:04,161 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-09-24 19:35:04,161 INFO L268 CegarLoopResult]: For program point L59(lines 59 425) no Hoare annotation was computed. [2020-09-24 19:35:04,162 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-09-24 19:35:04,162 INFO L268 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-09-24 19:35:04,162 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-09-24 19:35:04,162 INFO L268 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-09-24 19:35:04,162 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-24 19:35:04,162 INFO L268 CegarLoopResult]: For program point L109(lines 109 403) no Hoare annotation was computed. [2020-09-24 19:35:04,163 INFO L264 CegarLoopResult]: At program point L390(lines 127 401) the Hoare annotation is: (and (< 0 main_~main__scheme~0) (<= 1 main_~__tmp_3~0) (<= 1 main_~__VERIFIER_assert__cond~0) (= |old(~__return_375~0)| ~__return_375~0) (<= (+ main_~main__cp~0 1) main_~main__urilen~0) (<= 1 main_~__VERIFIER_assert__cond~2) (not (= main_~__tmp_2~0 0)) (not (= main_~__tmp_4~0 0)) (<= 1 main_~__tmp_1~0) (not (= main_~__VERIFIER_assert__cond~3 0)) (<= 1 main_~main__cp~0) (not (= main_~__VERIFIER_assert__cond~1 0)) (<= (+ main_~main__scheme~0 1) main_~main__urilen~0)) [2020-09-24 19:35:04,163 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-09-24 19:35:04,163 INFO L268 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed. [2020-09-24 19:35:04,163 INFO L268 CegarLoopResult]: For program point L225(line 225) no Hoare annotation was computed. [2020-09-24 19:35:04,163 INFO L268 CegarLoopResult]: For program point L192(lines 192 352) no Hoare annotation was computed. [2020-09-24 19:35:04,163 INFO L268 CegarLoopResult]: For program point L93(lines 93 410) no Hoare annotation was computed. [2020-09-24 19:35:04,163 INFO L268 CegarLoopResult]: For program point L27(lines 27 435) no Hoare annotation was computed. [2020-09-24 19:35:04,163 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-09-24 19:35:04,163 INFO L268 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-09-24 19:35:04,164 INFO L268 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-09-24 19:35:04,164 INFO L268 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-09-24 19:35:04,164 INFO L268 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-09-24 19:35:04,164 INFO L268 CegarLoopResult]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 253) no Hoare annotation was computed. [2020-09-24 19:35:04,164 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-24 19:35:04,165 INFO L264 CegarLoopResult]: At program point L325(lines 260 326) the Hoare annotation is: (and (< main_~main__cp~0 main_~main__urilen~0) (let ((.cse0 (<= 1 main_~__VERIFIER_assert__cond~9)) (.cse1 (not (= main_~__VERIFIER_assert__cond~5 0))) (.cse2 (not (= main_~__tmp_6~0 0))) (.cse3 (not (= main_~main__urilen~0 (+ main_~main__cp~0 1)))) (.cse4 (not (= main_~__VERIFIER_assert__cond~11 0))) (.cse5 (<= 1 main_~__tmp_3~0)) (.cse6 (<= 1 main_~__VERIFIER_assert__cond~2)) (.cse7 (not (= main_~__tmp_2~0 0))) (.cse8 (not (= main_~__VERIFIER_assert__cond~3 0))) (.cse9 (<= 1 main_~main__cp~0)) (.cse10 (<= (+ main_~main__scheme~0 1) main_~main__urilen~0)) (.cse11 (not (= main_~__tmp_8~0 0))) (.cse12 (< 0 main_~main__scheme~0)) (.cse13 (not (= main_~__tmp_7~0 0))) (.cse14 (not (= main_~__VERIFIER_assert__cond~4 0))) (.cse15 (<= 1 main_~__VERIFIER_assert__cond~0)) (.cse16 (<= 1 main_~__tmp_10~0)) (.cse17 (not (= main_~__VERIFIER_assert__cond~6 0))) (.cse18 (not (= main_~__VERIFIER_assert__cond~7 0))) (.cse19 (not (= main_~__tmp_12~0 0))) (.cse20 (not (= main_~__tmp_5~0 0))) (.cse21 (not (= main_~__tmp_4~0 0))) (.cse22 (<= 1 main_~__tmp_1~0)) (.cse23 (not (= main_~__VERIFIER_assert__cond~1 0)))) (or (and .cse0 .cse1 .cse2 (<= (+ main_~main__c~0 2) main_~main__tokenlen~0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= (+ main_~main__c~0 1) main_~main__tokenlen~0) .cse8 (not (= main_~__VERIFIER_assert__cond~12 0)) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 (not (= main_~__tmp_13~0 0)) .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23))) (<= 0 main_~main__c~0) (= main_~__tmp_9~0 1) (= |old(~__return_375~0)| ~__return_375~0) (= main_~__VERIFIER_assert__cond~8 1) (not (= main_~__tmp_11~0 0)) (not (= main_~__VERIFIER_assert__cond~10 0))) [2020-09-24 19:35:04,165 INFO L268 CegarLoopResult]: For program point L292(lines 292 316) no Hoare annotation was computed. [2020-09-24 19:35:04,165 INFO L268 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-09-24 19:35:04,165 INFO L268 CegarLoopResult]: For program point L259-1(line 259) no Hoare annotation was computed. [2020-09-24 19:35:04,165 INFO L268 CegarLoopResult]: For program point L259-2(line 259) no Hoare annotation was computed. [2020-09-24 19:35:04,165 INFO L268 CegarLoopResult]: For program point L160(lines 160 357) no Hoare annotation was computed. [2020-09-24 19:35:04,165 INFO L268 CegarLoopResult]: For program point L61(lines 61 420) no Hoare annotation was computed. [2020-09-24 19:35:04,165 INFO L268 CegarLoopResult]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2020-09-24 19:35:04,166 INFO L264 CegarLoopResult]: At program point L408(lines 102 409) the Hoare annotation is: (and (<= 1 main_~__tmp_1~0) (<= 1 main_~__VERIFIER_assert__cond~0) (= |old(~__return_375~0)| ~__return_375~0)) [2020-09-24 19:35:04,166 INFO L268 CegarLoopResult]: For program point L276(line 276) no Hoare annotation was computed. [2020-09-24 19:35:04,166 INFO L268 CegarLoopResult]: For program point L210(lines 210 344) no Hoare annotation was computed. [2020-09-24 19:35:04,166 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-09-24 19:35:04,166 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-09-24 19:35:04,166 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-09-24 19:35:04,166 INFO L268 CegarLoopResult]: For program point L45(lines 45 432) no Hoare annotation was computed. [2020-09-24 19:35:04,166 INFO L268 CegarLoopResult]: For program point L260(lines 260 326) no Hoare annotation was computed. [2020-09-24 19:35:04,166 INFO L268 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-09-24 19:35:04,167 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-09-24 19:35:04,167 INFO L268 CegarLoopResult]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2020-09-24 19:35:04,167 INFO L268 CegarLoopResult]: For program point L277(line 277) no Hoare annotation was computed. [2020-09-24 19:35:04,167 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-24 19:35:04,167 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-24 19:35:04,167 INFO L268 CegarLoopResult]: For program point L294(line 294) no Hoare annotation was computed. [2020-09-24 19:35:04,167 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2020-09-24 19:35:04,167 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-09-24 19:35:04,168 INFO L268 CegarLoopResult]: For program point L63(lines 63 415) no Hoare annotation was computed. [2020-09-24 19:35:04,168 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 11 437) the Hoare annotation is: (= |old(~__return_375~0)| ~__return_375~0) [2020-09-24 19:35:04,168 INFO L268 CegarLoopResult]: For program point L278(line 278) no Hoare annotation was computed. [2020-09-24 19:35:04,168 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-09-24 19:35:04,168 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-24 19:35:04,168 INFO L268 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-09-24 19:35:04,168 INFO L268 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed. [2020-09-24 19:35:04,168 INFO L268 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-09-24 19:35:04,169 INFO L268 CegarLoopResult]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 372) no Hoare annotation was computed. [2020-09-24 19:35:04,169 INFO L268 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-09-24 19:35:04,169 INFO L268 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2020-09-24 19:35:04,169 INFO L268 CegarLoopResult]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2020-09-24 19:35:04,169 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed. [2020-09-24 19:35:04,169 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-09-24 19:35:04,169 INFO L268 CegarLoopResult]: For program point L81(lines 81 412) no Hoare annotation was computed. [2020-09-24 19:35:04,169 INFO L268 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2020-09-24 19:35:04,169 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-09-24 19:35:04,170 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-09-24 19:35:04,170 INFO L268 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-09-24 19:35:04,170 INFO L268 CegarLoopResult]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2020-09-24 19:35:04,170 INFO L268 CegarLoopResult]: For program point L379(line 379) no Hoare annotation was computed. [2020-09-24 19:35:04,170 INFO L264 CegarLoopResult]: At program point L313(lines 228 342) the Hoare annotation is: (and (<= 1 main_~__VERIFIER_assert__cond~9) (not (= main_~__VERIFIER_assert__cond~5 0)) (not (= main_~__tmp_6~0 0)) (<= 1 main_~__tmp_3~0) (= main_~__tmp_9~0 1) (= |old(~__return_375~0)| ~__return_375~0) (<= (+ main_~main__cp~0 1) main_~main__urilen~0) (<= 1 main_~__VERIFIER_assert__cond~2) (not (= main_~__tmp_2~0 0)) (not (= main_~__VERIFIER_assert__cond~3 0)) (= main_~__VERIFIER_assert__cond~8 1) (<= 1 main_~main__cp~0) (<= (+ main_~main__scheme~0 1) main_~main__urilen~0) (not (= main_~__tmp_8~0 0)) (< 0 main_~main__scheme~0) (<= 0 main_~main__c~0) (not (= main_~__tmp_7~0 0)) (not (= main_~__VERIFIER_assert__cond~4 0)) (<= 1 main_~__tmp_10~0) (<= 1 main_~__VERIFIER_assert__cond~0) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_5~0 0)) (not (= main_~__tmp_4~0 0)) (<= 1 main_~__tmp_1~0) (not (= main_~__VERIFIER_assert__cond~1 0))) [2020-09-24 19:35:04,170 INFO L268 CegarLoopResult]: For program point L280(lines 280 318) no Hoare annotation was computed. [2020-09-24 19:35:04,170 INFO L268 CegarLoopResult]: For program point L247(line 247) no Hoare annotation was computed. [2020-09-24 19:35:04,170 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-24 19:35:04,171 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-24 19:35:04,171 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-09-24 19:35:04,171 INFO L268 CegarLoopResult]: For program point L264(line 264) no Hoare annotation was computed. [2020-09-24 19:35:04,171 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-09-24 19:35:04,171 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-09-24 19:35:04,171 INFO L268 CegarLoopResult]: For program point L132-1(line 132) no Hoare annotation was computed. [2020-09-24 19:35:04,171 INFO L268 CegarLoopResult]: For program point L132-2(line 132) no Hoare annotation was computed. [2020-09-24 19:35:04,171 INFO L268 CegarLoopResult]: For program point L33(lines 33 434) no Hoare annotation was computed. [2020-09-24 19:35:04,171 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed. [2020-09-24 19:35:04,172 INFO L268 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2020-09-24 19:35:04,172 INFO L268 CegarLoopResult]: For program point L248(line 248) no Hoare annotation was computed. [2020-09-24 19:35:04,172 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-09-24 19:35:04,172 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-09-24 19:35:04,172 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-24 19:35:04,172 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-09-24 19:35:04,172 INFO L268 CegarLoopResult]: For program point L265(line 265) no Hoare annotation was computed. [2020-09-24 19:35:04,172 INFO L268 CegarLoopResult]: For program point L232(lines 232 336) no Hoare annotation was computed. [2020-09-24 19:35:04,172 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-24 19:35:04,173 INFO L268 CegarLoopResult]: For program point mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 384) no Hoare annotation was computed. [2020-09-24 19:35:04,173 INFO L268 CegarLoopResult]: For program point L133(lines 133 395) no Hoare annotation was computed. [2020-09-24 19:35:04,173 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-24 19:35:04,173 INFO L268 CegarLoopResult]: For program point L381(line 381) no Hoare annotation was computed. [2020-09-24 19:35:04,173 INFO L268 CegarLoopResult]: For program point L282(line 282) no Hoare annotation was computed. [2020-09-24 19:35:04,173 INFO L268 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed. [2020-09-24 19:35:04,173 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-09-24 19:35:04,173 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-09-24 19:35:04,173 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-09-24 19:35:04,173 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-24 19:35:04,174 INFO L268 CegarLoopResult]: For program point L51(lines 51 431) no Hoare annotation was computed. [2020-09-24 19:35:04,174 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed. [2020-09-24 19:35:04,174 INFO L268 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed. [2020-09-24 19:35:04,174 INFO L268 CegarLoopResult]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 270) no Hoare annotation was computed. [2020-09-24 19:35:04,174 INFO L268 CegarLoopResult]: For program point L18-2(line 18) no Hoare annotation was computed. [2020-09-24 19:35:04,174 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-09-24 19:35:04,174 INFO L268 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-09-24 19:35:04,174 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-09-24 19:35:04,174 INFO L268 CegarLoopResult]: For program point L101-1(line 101) no Hoare annotation was computed. [2020-09-24 19:35:04,175 INFO L268 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-09-24 19:35:04,175 INFO L268 CegarLoopResult]: For program point L101-2(line 101) no Hoare annotation was computed. [2020-09-24 19:35:04,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 07:35:04 BoogieIcfgContainer [2020-09-24 19:35:04,206 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 19:35:04,207 INFO L168 Benchmark]: Toolchain (without parser) took 41700.36 ms. Allocated memory was 105.4 MB in the beginning and 452.5 MB in the end (delta: 347.1 MB). Free memory was 70.8 MB in the beginning and 350.0 MB in the end (delta: -279.2 MB). Peak memory consumption was 325.9 MB. Max. memory is 7.1 GB. [2020-09-24 19:35:04,208 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 105.4 MB. Free memory was 88.1 MB in the beginning and 88.0 MB in the end (delta: 105.1 kB). Peak memory consumption was 105.1 kB. Max. memory is 7.1 GB. [2020-09-24 19:35:04,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.02 ms. Allocated memory was 105.4 MB in the beginning and 123.2 MB in the end (delta: 17.8 MB). Free memory was 70.2 MB in the beginning and 97.0 MB in the end (delta: -26.9 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. [2020-09-24 19:35:04,209 INFO L168 Benchmark]: Boogie Preprocessor took 121.90 ms. Allocated memory was 123.2 MB in the beginning and 157.8 MB in the end (delta: 34.6 MB). Free memory was 97.0 MB in the beginning and 142.5 MB in the end (delta: -45.4 MB). Peak memory consumption was 73.7 kB. Max. memory is 7.1 GB. [2020-09-24 19:35:04,210 INFO L168 Benchmark]: RCFGBuilder took 789.75 ms. Allocated memory is still 157.8 MB. Free memory was 142.5 MB in the beginning and 104.8 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 7.1 GB. [2020-09-24 19:35:04,210 INFO L168 Benchmark]: TraceAbstraction took 40363.78 ms. Allocated memory was 157.8 MB in the beginning and 452.5 MB in the end (delta: 294.6 MB). Free memory was 104.3 MB in the beginning and 350.0 MB in the end (delta: -245.7 MB). Peak memory consumption was 306.9 MB. Max. memory is 7.1 GB. [2020-09-24 19:35:04,213 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 105.4 MB. Free memory was 88.1 MB in the beginning and 88.0 MB in the end (delta: 105.1 kB). Peak memory consumption was 105.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 416.02 ms. Allocated memory was 105.4 MB in the beginning and 123.2 MB in the end (delta: 17.8 MB). Free memory was 70.2 MB in the beginning and 97.0 MB in the end (delta: -26.9 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.90 ms. Allocated memory was 123.2 MB in the beginning and 157.8 MB in the end (delta: 34.6 MB). Free memory was 97.0 MB in the beginning and 142.5 MB in the end (delta: -45.4 MB). Peak memory consumption was 73.7 kB. Max. memory is 7.1 GB. * RCFGBuilder took 789.75 ms. Allocated memory is still 157.8 MB. Free memory was 142.5 MB in the beginning and 104.8 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 40363.78 ms. Allocated memory was 157.8 MB in the beginning and 452.5 MB in the end (delta: 294.6 MB). Free memory was 104.3 MB in the beginning and 350.0 MB in the end (delta: -245.7 MB). Peak memory consumption was 306.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 83]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 306]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 372]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 187]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 212]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 282]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 224]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 241]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 294]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 270]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 143]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 253]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 384]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 111]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 175]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 155]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 123]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 95]: 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: 127]: Loop Invariant Derived loop invariant: (((((((((((0 < main__scheme && 1 <= __tmp_3) && 1 <= __VERIFIER_assert__cond) && \old(__return_375) == __return_375) && main__cp + 1 <= main__urilen) && 1 <= __VERIFIER_assert__cond) && !(__tmp_2 == 0)) && !(__tmp_4 == 0)) && 1 <= __tmp_1) && !(__VERIFIER_assert__cond == 0)) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0)) && main__scheme + 1 <= main__urilen - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: (1 <= __tmp_1 && 1 <= __VERIFIER_assert__cond) && \old(__return_375) == __return_375 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((1 <= __VERIFIER_assert__cond && !(__VERIFIER_assert__cond == 0)) && !(__tmp_6 == 0)) && 1 <= __tmp_3) && __tmp_9 == 1) && \old(__return_375) == __return_375) && main__cp + 1 <= main__urilen) && 1 <= __VERIFIER_assert__cond) && !(__tmp_2 == 0)) && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && 1 <= main__cp) && main__scheme + 1 <= main__urilen) && !(__tmp_8 == 0)) && 0 < main__scheme) && 0 <= main__c) && !(__tmp_7 == 0)) && !(__VERIFIER_assert__cond == 0)) && 1 <= __tmp_10) && 1 <= __VERIFIER_assert__cond) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__tmp_5 == 0)) && !(__tmp_4 == 0)) && 1 <= __tmp_1) && !(__VERIFIER_assert__cond == 0) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (((((((((((0 < main__scheme && 1 <= __tmp_3) && \old(__return_375) == __return_375) && 1 <= __VERIFIER_assert__cond) && main__cp + 1 <= main__urilen) && 1 <= __VERIFIER_assert__cond) && !(__tmp_2 == 0)) && !(__tmp_4 == 0)) && 1 <= __tmp_1) && !(__VERIFIER_assert__cond == 0)) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0)) && main__scheme + 1 <= main__urilen - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((((((main__cp < main__urilen && (((((((((((((((((((((((((1 <= __VERIFIER_assert__cond && !(__VERIFIER_assert__cond == 0)) && !(__tmp_6 == 0)) && main__c + 2 <= main__tokenlen) && !(main__urilen == main__cp + 1)) && !(__VERIFIER_assert__cond == 0)) && 1 <= __tmp_3) && 1 <= __VERIFIER_assert__cond) && !(__tmp_2 == 0)) && !(__VERIFIER_assert__cond == 0)) && 1 <= main__cp) && main__scheme + 1 <= main__urilen) && !(__tmp_8 == 0)) && 0 < main__scheme) && !(__tmp_7 == 0)) && !(__VERIFIER_assert__cond == 0)) && 1 <= __VERIFIER_assert__cond) && 1 <= __tmp_10) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__tmp_12 == 0)) && !(__tmp_5 == 0)) && !(__tmp_4 == 0)) && 1 <= __tmp_1) && !(__VERIFIER_assert__cond == 0)) || ((((((((((((((((((((((((((1 <= __VERIFIER_assert__cond && !(__VERIFIER_assert__cond == 0)) && !(__tmp_6 == 0)) && !(main__urilen == main__cp + 1)) && !(__VERIFIER_assert__cond == 0)) && 1 <= __tmp_3) && 1 <= __VERIFIER_assert__cond) && !(__tmp_2 == 0)) && main__c + 1 <= main__tokenlen) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && 1 <= main__cp) && main__scheme + 1 <= main__urilen) && !(__tmp_8 == 0)) && 0 < main__scheme) && !(__tmp_7 == 0)) && !(__VERIFIER_assert__cond == 0)) && 1 <= __VERIFIER_assert__cond) && 1 <= __tmp_10) && !(__tmp_13 == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__tmp_12 == 0)) && !(__tmp_5 == 0)) && !(__tmp_4 == 0)) && 1 <= __tmp_1) && !(__VERIFIER_assert__cond == 0)))) && 0 <= main__c) && __tmp_9 == 1) && \old(__return_375) == __return_375) && __VERIFIER_assert__cond == 1) && !(__tmp_11 == 0)) && !(__VERIFIER_assert__cond == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 229 locations, 18 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 37.6s, OverallIterations: 25, TraceHistogramMax: 2, AutomataDifference: 14.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4398 SDtfs, 14785 SDslu, 658 SDs, 0 SdLazy, 11208 SolverSat, 322 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 367 GetRequests, 83 SyntacticMatches, 1 SemanticMatches, 283 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224occurred 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: 0.3s AutomataMinimizationTime, 25 MinimizatonAttempts, 1241 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 17 NumberOfFragments, 440 HoareAnnotationTreeSize, 9 FomulaSimplifications, 2568287 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 12169 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 21.3s InterpolantComputationTime, 2275 NumberOfCodeBlocks, 2275 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 2250 ConstructedInterpolants, 0 QuantifiedInterpolants, 529961 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 22 PerfectInterpolantSequences, 20/41 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...