/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:08:49,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:08:49,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:08:49,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:08:49,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:08:49,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:08:49,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:08:49,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:08:49,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:08:49,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:08:49,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:08:49,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:08:49,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:08:49,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:08:49,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:08:49,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:08:49,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:08:49,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:08:49,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:08:49,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:08:49,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:08:49,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:08:49,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:08:49,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:08:49,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:08:49,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:08:49,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:08:49,801 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:08:49,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:08:49,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:08:49,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:08:49,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:08:49,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:08:49,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:08:49,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:08:49,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:08:49,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:08:49,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:08:49,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:08:49,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:08:49,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:08:49,817 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 00:08:49,877 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:08:49,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:08:49,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:08:49,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:08:49,879 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:08:49,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:08:49,880 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:08:49,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:08:49,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:08:49,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:08:49,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:08:49,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:08:49,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:08:49,882 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:08:49,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:08:49,882 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:08:49,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:08:49,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:08:49,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:08:49,885 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:08:49,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:08:49,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:08:49,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:08:49,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:08:49,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:08:49,886 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:08:49,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:08:49,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:08:49,887 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:08:49,887 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; [2020-09-25 00:08:50,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:08:50,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:08:50,390 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:08:50,392 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:08:50,392 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:08:50,394 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2020-09-25 00:08:50,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9004c56b3/7704838c0ccb427c8c24af90c743480a/FLAGe4739ca68 [2020-09-25 00:08:51,351 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:08:51,352 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2020-09-25 00:08:51,380 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9004c56b3/7704838c0ccb427c8c24af90c743480a/FLAGe4739ca68 [2020-09-25 00:08:51,898 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9004c56b3/7704838c0ccb427c8c24af90c743480a [2020-09-25 00:08:51,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:08:51,918 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:08:51,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:08:51,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:08:51,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:08:51,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:08:51" (1/1) ... [2020-09-25 00:08:51,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a9d3e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:08:51, skipping insertion in model container [2020-09-25 00:08:51,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:08:51" (1/1) ... [2020-09-25 00:08:51,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:08:52,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:08:53,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:08:53,648 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:08:54,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:08:54,881 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:08:54,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:08:54 WrapperNode [2020-09-25 00:08:54,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:08:54,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:08:54,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:08:54,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:08:54,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:08:54" (1/1) ... [2020-09-25 00:08:54,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:08:54" (1/1) ... [2020-09-25 00:08:54,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:08:54" (1/1) ... [2020-09-25 00:08:54,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:08:54" (1/1) ... [2020-09-25 00:08:55,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:08:54" (1/1) ... [2020-09-25 00:08:55,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:08:54" (1/1) ... [2020-09-25 00:08:55,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:08:54" (1/1) ... [2020-09-25 00:08:55,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:08:55,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:08:55,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:08:55,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:08:55,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:08:54" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:08:55,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:08:55,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:08:55,236 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 00:08:55,236 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:08:55,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:08:55,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-09-25 00:08:55,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-09-25 00:08:55,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 00:08:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-09-25 00:08:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 00:08:55,239 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 00:08:55,239 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-09-25 00:08:55,239 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-09-25 00:08:55,239 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2020-09-25 00:08:55,239 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2020-09-25 00:08:55,240 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2020-09-25 00:08:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2020-09-25 00:08:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-09-25 00:08:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-09-25 00:08:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:08:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:08:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:08:59,441 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:08:59,442 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 00:08:59,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:08:59 BoogieIcfgContainer [2020-09-25 00:08:59,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:08:59,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:08:59,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:08:59,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:08:59,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:08:51" (1/3) ... [2020-09-25 00:08:59,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16711ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:08:59, skipping insertion in model container [2020-09-25 00:08:59,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:08:54" (2/3) ... [2020-09-25 00:08:59,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16711ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:08:59, skipping insertion in model container [2020-09-25 00:08:59,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:08:59" (3/3) ... [2020-09-25 00:08:59,470 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2020-09-25 00:08:59,483 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:08:59,496 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 12 error locations. [2020-09-25 00:08:59,519 INFO L251 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2020-09-25 00:08:59,562 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:08:59,562 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:08:59,562 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:08:59,562 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:08:59,562 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:08:59,563 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:08:59,563 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:08:59,563 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:08:59,630 INFO L276 IsEmpty]: Start isEmpty. Operand 3048 states. [2020-09-25 00:08:59,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 939 [2020-09-25 00:08:59,776 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:08:59,779 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:08:59,780 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:08:59,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:08:59,789 INFO L82 PathProgramCache]: Analyzing trace with hash 197216454, now seen corresponding path program 1 times [2020-09-25 00:08:59,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:08:59,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1010441047] [2020-09-25 00:08:59,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:09:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:09:01,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:09:02,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:09:03,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:09:03,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:09:04,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:09:04,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:09:05,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:09:05,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:09:05,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:09:05,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 945 [2020-09-25 00:09:05,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 00:09:05,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5120 [2020-09-25 00:09:05,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:09:05,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:09:05,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 292 [2020-09-25 00:09:05,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-09-25 00:09:05,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 00:09:07,636 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2020-09-25 00:09:07,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:09:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:09:07,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:09:07,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:09:07,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-09-25 00:09:07,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:09:07,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-25 00:09:07,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:09:07,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:09:07,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:09:07,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:09:07,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:09:09,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 00:09:09,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1010441047] [2020-09-25 00:09:09,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:09:09,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 00:09:09,453 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286028528] [2020-09-25 00:09:09,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 00:09:09,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:09:09,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 00:09:09,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 00:09:09,497 INFO L87 Difference]: Start difference. First operand 3048 states. Second operand 5 states. [2020-09-25 00:09:38,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:09:38,324 INFO L93 Difference]: Finished difference Result 8373 states and 10744 transitions. [2020-09-25 00:09:38,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 00:09:38,327 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 938 [2020-09-25 00:09:38,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:09:38,385 INFO L225 Difference]: With dead ends: 8373 [2020-09-25 00:09:38,386 INFO L226 Difference]: Without dead ends: 5152 [2020-09-25 00:09:38,400 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 00:09:38,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5152 states. [2020-09-25 00:09:38,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5152 to 4588. [2020-09-25 00:09:38,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4588 states. [2020-09-25 00:09:38,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4588 states to 4588 states and 5584 transitions. [2020-09-25 00:09:38,667 INFO L78 Accepts]: Start accepts. Automaton has 4588 states and 5584 transitions. Word has length 938 [2020-09-25 00:09:38,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:09:38,670 INFO L479 AbstractCegarLoop]: Abstraction has 4588 states and 5584 transitions. [2020-09-25 00:09:38,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 00:09:38,670 INFO L276 IsEmpty]: Start isEmpty. Operand 4588 states and 5584 transitions. [2020-09-25 00:09:38,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 941 [2020-09-25 00:09:38,718 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:09:38,719 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:09:38,720 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:09:38,720 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:09:38,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:09:38,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1060099500, now seen corresponding path program 1 times [2020-09-25 00:09:38,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:09:38,722 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2098627774] [2020-09-25 00:09:38,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:09:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:09:39,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:09:39,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:09:39,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:09:40,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:09:40,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:09:41,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:09:41,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:09:41,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:09:43,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:09:44,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:09:44,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 947 [2020-09-25 00:09:44,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-09-25 00:09:44,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5109 [2020-09-25 00:09:44,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:09:44,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:09:44,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 294 [2020-09-25 00:09:44,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-09-25 00:09:44,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0