/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 SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 02:40:38,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 02:40:38,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 02:40:38,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 02:40:38,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 02:40:38,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 02:40:38,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 02:40:38,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 02:40:38,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 02:40:38,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 02:40:38,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 02:40:38,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 02:40:38,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 02:40:38,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 02:40:38,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 02:40:38,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 02:40:38,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 02:40:38,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 02:40:38,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 02:40:38,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 02:40:38,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 02:40:38,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 02:40:38,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 02:40:38,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 02:40:38,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 02:40:38,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 02:40:38,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 02:40:38,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 02:40:38,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 02:40:38,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 02:40:38,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 02:40:38,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 02:40:38,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 02:40:38,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 02:40:38,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 02:40:38,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 02:40:38,304 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 02:40:38,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 02:40:38,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 02:40:38,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 02:40:38,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 02:40:38,308 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 02:40:38,352 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 02:40:38,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 02:40:38,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 02:40:38,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 02:40:38,355 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 02:40:38,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 02:40:38,356 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 02:40:38,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 02:40:38,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 02:40:38,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 02:40:38,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 02:40:38,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 02:40:38,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 02:40:38,358 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 02:40:38,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 02:40:38,359 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 02:40:38,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 02:40:38,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 02:40:38,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 02:40:38,360 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 02:40:38,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 02:40:38,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 02:40:38,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 02:40:38,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 02:40:38,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 02:40:38,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 02:40:38,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 02:40:38,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 02:40:38,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 02:40:38,362 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 02:40:38,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 02:40:38,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 02:40:38,683 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 02:40:38,684 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 02:40:38,685 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 02:40:38,685 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c [2020-10-15 02:40:38,763 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4b6781917/d44ecb5478f6478c8d0f35fda028431d/FLAG6fe6f1ac4 [2020-10-15 02:40:39,265 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 02:40:39,266 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c [2020-10-15 02:40:39,284 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4b6781917/d44ecb5478f6478c8d0f35fda028431d/FLAG6fe6f1ac4 [2020-10-15 02:40:39,619 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4b6781917/d44ecb5478f6478c8d0f35fda028431d [2020-10-15 02:40:39,631 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 02:40:39,633 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 02:40:39,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 02:40:39,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 02:40:39,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 02:40:39,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:40:39" (1/1) ... [2020-10-15 02:40:39,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a4700e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:40:39, skipping insertion in model container [2020-10-15 02:40:39,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:40:39" (1/1) ... [2020-10-15 02:40:39,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 02:40:39,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 02:40:39,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:40:40,096 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 02:40:40,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:40:40,180 INFO L208 MainTranslator]: Completed translation [2020-10-15 02:40:40,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:40:40 WrapperNode [2020-10-15 02:40:40,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 02:40:40,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 02:40:40,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 02:40:40,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 02:40:40,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:40:40" (1/1) ... [2020-10-15 02:40:40,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:40:40" (1/1) ... [2020-10-15 02:40:40,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:40:40" (1/1) ... [2020-10-15 02:40:40,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:40:40" (1/1) ... [2020-10-15 02:40:40,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:40:40" (1/1) ... [2020-10-15 02:40:40,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:40:40" (1/1) ... [2020-10-15 02:40:40,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:40:40" (1/1) ... [2020-10-15 02:40:40,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 02:40:40,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 02:40:40,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 02:40:40,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 02:40:40,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:40:40" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 02:40:40,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 02:40:40,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 02:40:40,319 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 02:40:40,319 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2020-10-15 02:40:40,319 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2020-10-15 02:40:40,319 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2020-10-15 02:40:40,319 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2020-10-15 02:40:40,320 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2020-10-15 02:40:40,321 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2020-10-15 02:40:40,321 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-15 02:40:40,322 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-15 02:40:40,322 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 02:40:40,322 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-15 02:40:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 02:40:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-15 02:40:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-15 02:40:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-15 02:40:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-15 02:40:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 02:40:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 02:40:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-15 02:40:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-15 02:40:40,325 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2020-10-15 02:40:40,325 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2020-10-15 02:40:40,325 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2020-10-15 02:40:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2020-10-15 02:40:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2020-10-15 02:40:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2020-10-15 02:40:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-15 02:40:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-15 02:40:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 02:40:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 02:40:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 02:40:41,064 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 02:40:41,064 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-15 02:40:41,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:40:41 BoogieIcfgContainer [2020-10-15 02:40:41,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 02:40:41,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 02:40:41,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 02:40:41,076 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 02:40:41,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:40:39" (1/3) ... [2020-10-15 02:40:41,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52ccccbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:40:41, skipping insertion in model container [2020-10-15 02:40:41,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:40:40" (2/3) ... [2020-10-15 02:40:41,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52ccccbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:40:41, skipping insertion in model container [2020-10-15 02:40:41,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:40:41" (3/3) ... [2020-10-15 02:40:41,080 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c [2020-10-15 02:40:41,091 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 02:40:41,101 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 02:40:41,115 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 02:40:41,141 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 02:40:41,141 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 02:40:41,141 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 02:40:41,141 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 02:40:41,142 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 02:40:41,142 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 02:40:41,142 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 02:40:41,142 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 02:40:41,166 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2020-10-15 02:40:41,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-15 02:40:41,179 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:40:41,181 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] [2020-10-15 02:40:41,181 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:40:41,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:40:41,188 INFO L82 PathProgramCache]: Analyzing trace with hash 383071194, now seen corresponding path program 1 times [2020-10-15 02:40:41,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:40:41,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1296009802] [2020-10-15 02:40:41,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:40:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:41,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:41,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:41,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-15 02:40:41,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:41,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 345 [2020-10-15 02:40:41,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:41,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:41,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:41,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-15 02:40:41,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:41,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 02:40:42,074 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:40:42,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:40:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:42,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:42,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:42,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:40:42,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:42,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 02:40:42,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:42,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:42,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:42,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:42,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:42,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:42,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:40:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:42,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:42,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:42,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:40:42,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:42,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:40:42,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:42,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:42,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:42,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:42,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:42,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:42,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 02:40:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:42,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:42,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:42,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:40:42,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:42,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:40:42,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:42,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:42,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:42,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 02:40:42,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:42,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:42,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 02:40:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:42,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:42,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:42,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:42,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:42,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:40:42,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:42,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:42,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:42,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:40:42,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:42,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:42,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 02:40:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:42,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:42,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:42,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:42,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:42,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:40:42,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:42,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:42,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:42,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:42,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:42,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:42,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-15 02:40:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:42,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:42,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:42,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:42,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:42,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:40:42,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:42,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:42,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:42,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:42,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:42,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:42,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 02:40:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:42,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:42,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:42,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:42,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:42,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:40:42,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:42,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:42,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:42,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:42,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:42,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:42,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-15 02:40:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:42,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:42,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:42,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:42,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:42,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:40:42,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:42,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:42,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:42,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:42,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:42,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:42,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-15 02:40:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:42,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:42,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:42,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:42,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:42,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:40:42,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:42,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:42,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:42,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:42,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:42,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:42,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 02:40:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:42,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:42,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:42,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:40:42,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:42,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:40:42,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:42,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:42,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:42,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:40:42,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:42,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:42,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:40:42,443 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1296009802] [2020-10-15 02:40:42,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:40:42,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 02:40:42,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866282906] [2020-10-15 02:40:42,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 02:40:42,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:40:42,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 02:40:42,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-15 02:40:42,471 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 9 states. [2020-10-15 02:40:44,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:40:44,096 INFO L93 Difference]: Finished difference Result 318 states and 482 transitions. [2020-10-15 02:40:44,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 02:40:44,098 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2020-10-15 02:40:44,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:40:44,112 INFO L225 Difference]: With dead ends: 318 [2020-10-15 02:40:44,112 INFO L226 Difference]: Without dead ends: 188 [2020-10-15 02:40:44,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-15 02:40:44,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-10-15 02:40:44,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 181. [2020-10-15 02:40:44,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-10-15 02:40:44,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 280 transitions. [2020-10-15 02:40:44,186 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 280 transitions. Word has length 75 [2020-10-15 02:40:44,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:40:44,187 INFO L479 AbstractCegarLoop]: Abstraction has 181 states and 280 transitions. [2020-10-15 02:40:44,187 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 02:40:44,187 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 280 transitions. [2020-10-15 02:40:44,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-15 02:40:44,191 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:40:44,191 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] [2020-10-15 02:40:44,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 02:40:44,192 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:40:44,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:40:44,192 INFO L82 PathProgramCache]: Analyzing trace with hash 584895128, now seen corresponding path program 1 times [2020-10-15 02:40:44,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:40:44,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [921906851] [2020-10-15 02:40:44,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:40:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:44,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:44,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:44,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-15 02:40:44,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:44,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 683 [2020-10-15 02:40:44,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:44,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:44,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:40:44,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 02:40:44,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 02:40:44,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-15 02:40:45,125 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:40:45,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:40:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:45,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:45,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:45,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:40:45,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:45,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:40:45,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:45,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:45,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:45,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:45,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:45,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:45,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:40:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:45,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:45,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:45,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:40:45,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:45,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:40:45,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:45,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:45,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:45,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:45,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:40:45,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:45,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 02:40:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:45,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:45,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:45,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:40:45,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:45,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:40:45,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:45,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:45,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:45,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:40:45,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:40:45,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:45,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 02:40:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:45,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:45,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:45,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:45,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:45,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:40:45,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:45,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:45,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:45,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:40:45,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:45,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:45,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 02:40:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:45,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:45,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:45,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:45,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:45,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:40:45,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:45,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:45,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:45,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:45,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:45,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:45,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-15 02:40:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:45,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:45,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:45,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:45,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:45,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:40:45,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:45,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:45,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:45,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:45,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:45,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:45,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 02:40:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:45,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:45,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:45,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:45,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:45,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:40:45,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:45,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:45,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:45,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:45,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:45,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:45,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-15 02:40:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:45,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:45,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:45,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:45,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:45,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:40:45,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:45,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:45,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:45,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:45,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:45,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:45,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-15 02:40:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:45,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:45,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:45,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:45,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:45,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:40:45,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:45,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:45,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:45,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:45,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 02:40:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:45,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:45,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:45,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:40:45,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:45,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:40:45,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:45,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:45,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:45,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:40:45,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:45,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:45,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:40:45,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [921906851] [2020-10-15 02:40:45,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:40:45,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-15 02:40:45,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534276283] [2020-10-15 02:40:45,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-15 02:40:45,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:40:45,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-15 02:40:45,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-15 02:40:45,519 INFO L87 Difference]: Start difference. First operand 181 states and 280 transitions. Second operand 15 states. [2020-10-15 02:40:45,739 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-15 02:40:45,939 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-15 02:40:46,249 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-15 02:40:46,470 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:40:48,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:40:48,493 INFO L93 Difference]: Finished difference Result 316 states and 474 transitions. [2020-10-15 02:40:48,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 02:40:48,494 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 75 [2020-10-15 02:40:48,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:40:48,497 INFO L225 Difference]: With dead ends: 316 [2020-10-15 02:40:48,497 INFO L226 Difference]: Without dead ends: 188 [2020-10-15 02:40:48,500 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2020-10-15 02:40:48,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-10-15 02:40:48,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 181. [2020-10-15 02:40:48,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-10-15 02:40:48,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 239 transitions. [2020-10-15 02:40:48,549 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 239 transitions. Word has length 75 [2020-10-15 02:40:48,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:40:48,549 INFO L479 AbstractCegarLoop]: Abstraction has 181 states and 239 transitions. [2020-10-15 02:40:48,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-15 02:40:48,549 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 239 transitions. [2020-10-15 02:40:48,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-15 02:40:48,560 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:40:48,560 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] [2020-10-15 02:40:48,561 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 02:40:48,561 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:40:48,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:40:48,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1332407966, now seen corresponding path program 1 times [2020-10-15 02:40:48,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:40:48,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1976059492] [2020-10-15 02:40:48,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:40:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:48,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:48,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:48,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:48,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:49,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:53,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:53,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-15 02:40:53,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:40:53,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-15 02:40:53,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:53,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:53,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 02:40:53,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-15 02:40:53,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-15 02:40:53,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 26 [2020-10-15 02:40:53,881 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:40:53,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:40:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:53,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:53,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:53,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:40:53,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:53,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:40:53,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:53,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:53,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:53,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:53,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:53,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:53,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:40:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:53,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:53,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:53,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 02:40:53,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:53,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-15 02:40:53,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:53,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:53,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:40:53,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:53,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 02:40:53,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:54,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 02:40:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:54,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:54,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:54,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:40:54,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:54,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:40:54,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:54,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:54,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:54,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:54,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:40:54,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:54,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 02:40:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:54,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:54,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:54,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:54,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:54,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:40:54,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:54,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:54,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:54,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:40:54,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 02:40:54,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:54,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 02:40:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:54,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:54,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:54,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:54,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:54,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 02:40:54,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:54,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:54,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:54,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:40:54,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:40:54,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:54,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 02:40:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:54,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:54,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:54,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:54,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:54,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 02:40:54,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:54,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:54,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:54,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:40:54,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:40:54,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:54,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 02:40:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:54,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:54,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:54,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:54,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:54,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:40:54,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:54,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:54,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:54,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:40:54,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:40:54,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:54,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 02:40:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:54,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:54,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:54,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:54,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:54,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:40:54,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:54,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:54,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:54,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:40:54,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:40:54,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:54,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-15 02:40:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:54,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:54,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:54,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:54,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:54,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 02:40:54,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:54,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:54,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:54,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:40:54,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:40:54,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:54,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-15 02:40:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:54,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:54,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:54,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:40:54,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:54,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:40:54,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:54,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:54,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:54,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 02:40:54,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:40:54,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:54,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:40:54,704 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1976059492] [2020-10-15 02:40:54,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:40:54,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-10-15 02:40:54,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412340259] [2020-10-15 02:40:54,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-15 02:40:54,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:40:54,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-15 02:40:54,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2020-10-15 02:40:54,709 INFO L87 Difference]: Start difference. First operand 181 states and 239 transitions. Second operand 23 states. [2020-10-15 02:40:54,906 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-15 02:40:55,117 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-15 02:40:55,295 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:40:55,492 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-15 02:40:55,698 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-15 02:40:55,905 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-15 02:41:02,829 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-15 02:41:03,033 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-15 02:41:03,257 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-15 02:41:03,471 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:41:03,672 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-15 02:41:03,859 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:41:15,599 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2020-10-15 02:41:28,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:41:28,683 INFO L93 Difference]: Finished difference Result 2518 states and 4193 transitions. [2020-10-15 02:41:28,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2020-10-15 02:41:28,684 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 115 [2020-10-15 02:41:28,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:41:28,718 INFO L225 Difference]: With dead ends: 2518 [2020-10-15 02:41:28,718 INFO L226 Difference]: Without dead ends: 2396 [2020-10-15 02:41:28,739 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16691 ImplicationChecksByTransitivity, 14.5s TimeCoverageRelationStatistics Valid=7344, Invalid=30098, Unknown=0, NotChecked=0, Total=37442 [2020-10-15 02:41:28,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2396 states. [2020-10-15 02:41:29,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2396 to 1687. [2020-10-15 02:41:29,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1687 states. [2020-10-15 02:41:29,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 2491 transitions. [2020-10-15 02:41:29,066 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 2491 transitions. Word has length 115 [2020-10-15 02:41:29,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:41:29,067 INFO L479 AbstractCegarLoop]: Abstraction has 1687 states and 2491 transitions. [2020-10-15 02:41:29,067 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-15 02:41:29,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2491 transitions. [2020-10-15 02:41:29,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-15 02:41:29,071 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:41:29,072 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] [2020-10-15 02:41:29,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 02:41:29,072 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:41:29,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:41:29,073 INFO L82 PathProgramCache]: Analyzing trace with hash -355350013, now seen corresponding path program 1 times [2020-10-15 02:41:29,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:41:29,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1601086462] [2020-10-15 02:41:29,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:41:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:29,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:29,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:29,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:29,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:29,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:34,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:34,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-15 02:41:34,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:41:34,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-15 02:41:34,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:34,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:34,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:41:34,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-15 02:41:34,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-15 02:41:34,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:41:34,359 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:41:34,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:41:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:34,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:34,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:34,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:41:34,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:34,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:41:34,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:34,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:34,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:41:34,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:41:34,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:41:34,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:41:34,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:41:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:34,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:34,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:34,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 02:41:34,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:34,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 02:41:34,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:34,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:34,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:41:34,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:41:34,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:41:34,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:41:34,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 02:41:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:34,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:34,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:34,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:41:34,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:34,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:41:34,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:34,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:34,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:41:34,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:41:34,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:41:34,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:41:34,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 02:41:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:34,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:34,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:34,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:41:34,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:34,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:41:34,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:34,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:34,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:41:34,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:41:34,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:41:34,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:41:34,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 02:41:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:34,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:34,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:34,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:41:34,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:34,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:41:34,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:34,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:34,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:41:34,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:41:34,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:41:34,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:41:34,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 02:41:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:34,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:34,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:34,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:41:34,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:34,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:41:34,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:34,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:34,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:41:34,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:41:34,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:41:34,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:41:34,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 02:41:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:34,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:34,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:34,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:41:34,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:34,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:41:34,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:34,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:34,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:41:34,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:41:34,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:41:34,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:41:34,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 02:41:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:34,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:34,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:34,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:41:34,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:34,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 02:41:34,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:34,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:34,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:41:34,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:41:34,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:41:34,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:41:34,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-15 02:41:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:34,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:34,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:34,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:41:34,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:34,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:41:34,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:34,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:34,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:41:34,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:41:34,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:41:34,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:41:34,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-15 02:41:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:34,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:34,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:34,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:41:34,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:34,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:41:34,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:34,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:34,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:41:34,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:41:34,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:41:34,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:41:34,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:41:34,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1601086462] [2020-10-15 02:41:34,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:41:34,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 02:41:34,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761030371] [2020-10-15 02:41:34,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:41:34,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:41:34,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:41:34,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:41:34,756 INFO L87 Difference]: Start difference. First operand 1687 states and 2491 transitions. Second operand 12 states. [2020-10-15 02:41:34,938 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-15 02:41:37,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:41:37,904 INFO L93 Difference]: Finished difference Result 4938 states and 7278 transitions. [2020-10-15 02:41:37,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 02:41:37,904 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 116 [2020-10-15 02:41:37,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:41:37,923 INFO L225 Difference]: With dead ends: 4938 [2020-10-15 02:41:37,923 INFO L226 Difference]: Without dead ends: 3310 [2020-10-15 02:41:37,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:41:37,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3310 states. [2020-10-15 02:41:38,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3310 to 3139. [2020-10-15 02:41:38,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3139 states. [2020-10-15 02:41:38,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3139 states to 3139 states and 4637 transitions. [2020-10-15 02:41:38,152 INFO L78 Accepts]: Start accepts. Automaton has 3139 states and 4637 transitions. Word has length 116 [2020-10-15 02:41:38,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:41:38,153 INFO L479 AbstractCegarLoop]: Abstraction has 3139 states and 4637 transitions. [2020-10-15 02:41:38,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:41:38,153 INFO L276 IsEmpty]: Start isEmpty. Operand 3139 states and 4637 transitions. [2020-10-15 02:41:38,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-15 02:41:38,155 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:41:38,156 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] [2020-10-15 02:41:38,156 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 02:41:38,156 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:41:38,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:41:38,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1672926795, now seen corresponding path program 1 times [2020-10-15 02:41:38,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:41:38,157 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [769120173] [2020-10-15 02:41:38,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:41:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:38,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:38,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:38,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:38,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:40,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:43,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:43,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-15 02:41:43,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:41:43,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-15 02:41:43,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:43,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:43,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:41:43,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-15 02:41:43,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-15 02:41:43,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:41:43,460 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:41:43,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:41:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:43,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:43,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:43,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:41:43,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:43,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:41:43,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:43,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:43,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:41:43,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:41:43,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:41:43,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:41:43,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:41:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:43,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:43,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:43,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 02:41:43,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:43,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 02:41:43,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:43,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:43,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:41:43,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:41:43,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-15 02:41:43,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:41:43,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 02:41:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:43,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:43,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:43,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:41:43,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:43,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:41:43,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:43,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:43,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:41:43,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:41:43,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:41:43,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:41:43,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 02:41:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:43,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:43,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:43,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:41:43,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:43,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:41:43,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:43,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:43,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:41:43,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:41:43,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:41:43,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:41:43,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 02:41:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:43,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:43,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:43,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:41:43,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:43,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:41:43,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:43,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:43,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:41:43,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:41:43,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:41:43,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:41:43,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 02:41:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:43,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:43,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:43,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:41:43,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:43,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:41:43,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:43,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:43,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:41:43,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:41:43,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:41:43,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:41:43,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 02:41:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:43,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:43,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:43,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:41:43,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:43,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:41:43,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:43,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:43,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:41:43,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:41:43,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:41:43,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:41:43,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 02:41:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:43,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:43,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:43,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:41:43,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:43,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:41:43,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:43,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:43,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:41:43,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:41:43,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:41:43,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:41:43,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 02:41:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:43,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:43,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:43,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:41:43,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:43,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:41:43,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:43,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:43,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:41:43,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:41:43,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:41:43,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:41:43,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-15 02:41:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:43,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:43,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:43,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:41:43,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:43,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:41:43,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:43,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:43,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:41:43,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:41:43,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:41:43,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:41:43,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:41:43,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [769120173] [2020-10-15 02:41:43,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:41:43,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 02:41:43,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109842715] [2020-10-15 02:41:43,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:41:43,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:41:43,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:41:43,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:41:43,842 INFO L87 Difference]: Start difference. First operand 3139 states and 4637 transitions. Second operand 12 states. [2020-10-15 02:41:44,052 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-15 02:41:47,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:41:47,172 INFO L93 Difference]: Finished difference Result 9263 states and 13613 transitions. [2020-10-15 02:41:47,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 02:41:47,173 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 117 [2020-10-15 02:41:47,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:41:47,207 INFO L225 Difference]: With dead ends: 9263 [2020-10-15 02:41:47,208 INFO L226 Difference]: Without dead ends: 6183 [2020-10-15 02:41:47,218 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=189, Invalid=513, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:41:47,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6183 states. [2020-10-15 02:41:47,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6183 to 5869. [2020-10-15 02:41:47,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5869 states. [2020-10-15 02:41:47,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5869 states to 5869 states and 8644 transitions. [2020-10-15 02:41:47,705 INFO L78 Accepts]: Start accepts. Automaton has 5869 states and 8644 transitions. Word has length 117 [2020-10-15 02:41:47,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:41:47,706 INFO L479 AbstractCegarLoop]: Abstraction has 5869 states and 8644 transitions. [2020-10-15 02:41:47,706 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:41:47,706 INFO L276 IsEmpty]: Start isEmpty. Operand 5869 states and 8644 transitions. [2020-10-15 02:41:47,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-15 02:41:47,709 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:41:47,709 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] [2020-10-15 02:41:47,709 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 02:41:47,709 INFO L427 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:41:47,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:41:47,710 INFO L82 PathProgramCache]: Analyzing trace with hash -31572672, now seen corresponding path program 1 times [2020-10-15 02:41:47,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:41:47,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [86337047] [2020-10-15 02:41:47,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:41:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:47,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:47,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:47,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:47,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:52,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:52,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-15 02:41:52,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:41:52,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-15 02:41:52,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:52,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:52,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:41:52,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-15 02:41:52,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-15 02:41:52,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:41:52,943 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:41:52,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:41:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:52,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:52,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:52,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:41:52,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:52,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:41:52,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:52,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:52,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:41:52,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:41:52,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:41:52,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:41:52,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:41:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:52,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:52,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:52,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 02:41:52,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:52,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 02:41:52,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:52,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:52,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:41:52,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:41:52,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 02:41:52,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:41:52,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 02:41:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:53,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:53,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:53,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:41:53,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:53,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:41:53,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:53,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:53,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:41:53,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:41:53,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:41:53,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:41:53,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 02:41:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:53,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:53,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:53,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:41:53,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:53,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:41:53,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:53,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:53,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:41:53,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:41:53,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:41:53,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:41:53,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 02:41:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:53,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:53,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:53,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:41:53,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:53,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 02:41:53,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:53,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:53,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:41:53,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:41:53,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:41:53,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:41:53,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 02:41:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:53,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:53,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:53,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:41:53,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:53,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:41:53,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:53,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:53,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:41:53,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:41:53,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:41:53,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:41:53,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 02:41:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:53,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:53,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:53,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:41:53,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:53,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:41:53,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:53,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:53,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:41:53,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:41:53,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:41:53,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:41:53,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 02:41:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:53,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:53,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:53,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:41:53,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:53,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:41:53,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:53,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:53,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:41:53,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:41:53,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:41:53,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:41:53,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 02:41:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:53,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:53,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:53,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:41:53,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:53,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:41:53,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:53,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:53,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:41:53,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:41:53,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:41:53,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:41:53,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 02:41:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:53,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:53,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:41:53,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:41:53,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:41:53,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:41:53,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:41:53,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:41:53,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:41:53,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:41:53,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:41:53,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:41:53,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:41:53,380 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [86337047] [2020-10-15 02:41:53,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:41:53,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 02:41:53,381 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470347649] [2020-10-15 02:41:53,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:41:53,382 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:41:53,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:41:53,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:41:53,383 INFO L87 Difference]: Start difference. First operand 5869 states and 8644 transitions. Second operand 12 states. [2020-10-15 02:41:53,576 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-15 02:41:57,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:41:57,028 INFO L93 Difference]: Finished difference Result 17401 states and 25426 transitions. [2020-10-15 02:41:57,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 02:41:57,029 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 118 [2020-10-15 02:41:57,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:41:57,095 INFO L225 Difference]: With dead ends: 17401 [2020-10-15 02:41:57,095 INFO L226 Difference]: Without dead ends: 11591 [2020-10-15 02:41:57,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=189, Invalid=513, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:41:57,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11591 states. [2020-10-15 02:41:58,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11591 to 11017. [2020-10-15 02:41:58,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11017 states. [2020-10-15 02:41:58,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11017 states to 11017 states and 16112 transitions. [2020-10-15 02:41:58,102 INFO L78 Accepts]: Start accepts. Automaton has 11017 states and 16112 transitions. Word has length 118 [2020-10-15 02:41:58,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:41:58,102 INFO L479 AbstractCegarLoop]: Abstraction has 11017 states and 16112 transitions. [2020-10-15 02:41:58,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:41:58,102 INFO L276 IsEmpty]: Start isEmpty. Operand 11017 states and 16112 transitions. [2020-10-15 02:41:58,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-15 02:41:58,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:41:58,107 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] [2020-10-15 02:41:58,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 02:41:58,107 INFO L427 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:41:58,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:41:58,107 INFO L82 PathProgramCache]: Analyzing trace with hash 840137060, now seen corresponding path program 1 times [2020-10-15 02:41:58,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:41:58,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1373110252] [2020-10-15 02:41:58,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:41:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:41:58,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:58,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:41:58,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:02,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:02,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-15 02:42:02,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:42:02,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4297 [2020-10-15 02:42:02,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:02,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:02,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:42:02,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-15 02:42:02,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:42:02,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:02,651 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:42:02,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:42:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:02,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:02,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:02,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:42:02,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:02,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:42:02,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:02,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:02,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:42:02,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:42:02,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:42:02,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:02,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:42:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:02,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:02,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:02,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 02:42:02,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:02,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:42:02,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:02,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:02,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:42:02,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:42:02,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 02:42:02,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:42:02,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 02:42:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:02,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:02,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:02,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:42:02,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:02,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:42:02,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:02,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:02,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:42:02,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:42:02,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:42:02,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:02,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 02:42:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:02,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:02,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:02,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:42:02,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:02,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:42:02,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:02,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:02,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:42:02,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:42:02,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:42:02,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:02,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 02:42:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:02,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:02,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:02,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:42:02,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:02,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:42:02,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:02,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:02,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:42:02,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:42:02,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:42:02,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:42:02,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 02:42:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:02,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:02,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:02,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:42:02,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:02,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:42:02,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:02,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:02,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:42:02,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:42:02,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:42:02,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:42:02,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-15 02:42:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:02,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:02,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:02,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:42:02,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:02,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:42:02,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:02,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:02,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:42:02,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:42:02,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:42:02,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:02,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-15 02:42:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:02,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:02,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:02,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:42:02,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:02,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:42:02,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:02,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:02,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:42:02,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:42:02,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:42:02,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:02,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-15 02:42:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:02,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:02,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:02,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:42:02,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:02,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:42:02,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:02,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:02,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:42:02,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:42:02,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:42:02,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:02,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-15 02:42:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:02,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:02,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:02,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:42:02,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:02,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:42:02,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:02,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:02,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:42:02,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:42:02,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:42:02,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:02,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:42:02,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1373110252] [2020-10-15 02:42:02,979 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:42:02,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 02:42:02,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77414626] [2020-10-15 02:42:02,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:42:02,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:42:02,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:42:02,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:42:02,980 INFO L87 Difference]: Start difference. First operand 11017 states and 16112 transitions. Second operand 12 states. [2020-10-15 02:42:03,183 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-15 02:42:07,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:42:07,069 INFO L93 Difference]: Finished difference Result 32605 states and 47306 transitions. [2020-10-15 02:42:07,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 02:42:07,069 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 119 [2020-10-15 02:42:07,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:42:07,172 INFO L225 Difference]: With dead ends: 32605 [2020-10-15 02:42:07,172 INFO L226 Difference]: Without dead ends: 21647 [2020-10-15 02:42:07,213 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:42:07,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21647 states. [2020-10-15 02:42:09,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21647 to 20605. [2020-10-15 02:42:09,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20605 states. [2020-10-15 02:42:09,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20605 states to 20605 states and 29900 transitions. [2020-10-15 02:42:09,510 INFO L78 Accepts]: Start accepts. Automaton has 20605 states and 29900 transitions. Word has length 119 [2020-10-15 02:42:09,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:42:09,510 INFO L479 AbstractCegarLoop]: Abstraction has 20605 states and 29900 transitions. [2020-10-15 02:42:09,511 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:42:09,511 INFO L276 IsEmpty]: Start isEmpty. Operand 20605 states and 29900 transitions. [2020-10-15 02:42:09,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-15 02:42:09,514 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:42:09,514 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] [2020-10-15 02:42:09,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 02:42:09,514 INFO L427 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:42:09,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:42:09,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1161870292, now seen corresponding path program 1 times [2020-10-15 02:42:09,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:42:09,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [382726729] [2020-10-15 02:42:09,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:42:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:09,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:09,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:10,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:10,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-15 02:42:10,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:42:10,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 998 [2020-10-15 02:42:10,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:10,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:10,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:42:10,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-15 02:42:10,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-15 02:42:10,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:42:10,749 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:42:10,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:42:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:10,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:10,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:10,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:42:10,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:10,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:42:10,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:10,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:10,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:42:10,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:42:10,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:42:10,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:10,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:42:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:10,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:10,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:10,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 02:42:10,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:10,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 02:42:10,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:10,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:10,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:42:10,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:42:10,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:42:10,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:10,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 02:42:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:10,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:10,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:10,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:42:10,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:10,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:42:10,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:10,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:10,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:42:10,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:42:10,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:42:10,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:10,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 02:42:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:10,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:10,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:10,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:42:10,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:10,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:42:10,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:10,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:10,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:42:10,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:42:10,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:42:10,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:10,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 02:42:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:10,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:10,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:10,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:42:10,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:10,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:42:10,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:10,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:10,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:42:10,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:42:10,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:42:10,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:10,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 02:42:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:10,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:10,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:10,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:42:10,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:10,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:42:10,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:10,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:10,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:42:10,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:42:10,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:42:10,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:10,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-15 02:42:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:10,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:10,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:10,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:42:10,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:10,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:42:10,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:10,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:10,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:42:10,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:42:10,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:42:10,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:10,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-15 02:42:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:10,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:10,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:10,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:42:10,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:10,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:42:10,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:10,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:10,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:42:10,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:42:10,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:42:10,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:11,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-15 02:42:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:11,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:11,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:11,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:42:11,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:11,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:42:11,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:11,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:11,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:42:11,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:42:11,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:42:11,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:11,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 02:42:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:11,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:11,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:11,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:42:11,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:11,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:42:11,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:11,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:11,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:42:11,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:42:11,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:42:11,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:11,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:42:11,062 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [382726729] [2020-10-15 02:42:11,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:42:11,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 02:42:11,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376862402] [2020-10-15 02:42:11,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:42:11,063 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:42:11,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:42:11,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:42:11,063 INFO L87 Difference]: Start difference. First operand 20605 states and 29900 transitions. Second operand 12 states. [2020-10-15 02:42:11,260 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-15 02:42:15,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:42:15,356 INFO L93 Difference]: Finished difference Result 60881 states and 87582 transitions. [2020-10-15 02:42:15,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 02:42:15,356 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 120 [2020-10-15 02:42:15,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:42:15,547 INFO L225 Difference]: With dead ends: 60881 [2020-10-15 02:42:15,548 INFO L226 Difference]: Without dead ends: 40335 [2020-10-15 02:42:15,619 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=189, Invalid=513, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:42:15,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40335 states. [2020-10-15 02:42:17,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40335 to 38461. [2020-10-15 02:42:17,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38461 states. [2020-10-15 02:42:18,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38461 states to 38461 states and 55244 transitions. [2020-10-15 02:42:18,069 INFO L78 Accepts]: Start accepts. Automaton has 38461 states and 55244 transitions. Word has length 120 [2020-10-15 02:42:18,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:42:18,070 INFO L479 AbstractCegarLoop]: Abstraction has 38461 states and 55244 transitions. [2020-10-15 02:42:18,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:42:18,070 INFO L276 IsEmpty]: Start isEmpty. Operand 38461 states and 55244 transitions. [2020-10-15 02:42:18,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-15 02:42:18,072 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:42:18,072 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] [2020-10-15 02:42:18,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 02:42:18,072 INFO L427 AbstractCegarLoop]: === Iteration 9 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:42:18,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:42:18,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1034766124, now seen corresponding path program 1 times [2020-10-15 02:42:18,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:42:18,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [249287683] [2020-10-15 02:42:18,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:42:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:18,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:18,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:19,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:19,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-15 02:42:19,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:42:19,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1037 [2020-10-15 02:42:19,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:19,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:19,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:42:19,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 02:42:19,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-15 02:42:19,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:19,372 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:42:19,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:42:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:19,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:19,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:19,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:42:19,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:19,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:42:19,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:19,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:19,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:42:19,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:42:19,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:42:19,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:19,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:42:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:19,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:19,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:19,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 02:42:19,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:19,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 02:42:19,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:19,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:19,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:42:19,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:42:19,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 02:42:19,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:19,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 02:42:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:19,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:19,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:19,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:42:19,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:19,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:42:19,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:19,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:19,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:42:19,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:42:19,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:42:19,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:19,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 02:42:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:19,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:19,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:19,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:42:19,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:19,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:42:19,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:19,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:19,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:42:19,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:42:19,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:42:19,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:19,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 02:42:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:19,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:19,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:19,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:42:19,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:19,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:42:19,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:19,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:19,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:42:19,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:42:19,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:42:19,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:19,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 02:42:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:19,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:19,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:19,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:42:19,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:19,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:42:19,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:19,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:19,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:42:19,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:42:19,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:42:19,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:19,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-15 02:42:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:19,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:19,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:19,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:42:19,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:19,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:42:19,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:19,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:19,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:42:19,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:42:19,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:42:19,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:19,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-15 02:42:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:19,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:19,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:19,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:42:19,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:19,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:42:19,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:19,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:19,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:42:19,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:42:19,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:42:19,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:19,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 02:42:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:19,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:19,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:19,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:42:19,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:19,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:42:19,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:19,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:19,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:42:19,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 02:42:19,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:42:19,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:19,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-15 02:42:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:42:19,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:42:19,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:42:19,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:42:19,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:42:19,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:42:19,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:42:19,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:42:19,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:42:19,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:42:19,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:42:19,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:42:19,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:42:19,908 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [249287683] [2020-10-15 02:42:19,908 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:42:19,909 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-10-15 02:42:19,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455594617] [2020-10-15 02:42:19,909 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-15 02:42:19,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:42:19,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-15 02:42:19,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2020-10-15 02:42:19,910 INFO L87 Difference]: Start difference. First operand 38461 states and 55244 transitions. Second operand 21 states. [2020-10-15 02:42:20,193 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:42:20,431 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-15 02:42:21,614 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:42:22,231 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:42:22,447 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:42:22,670 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:42:23,679 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-15 02:42:23,916 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:42:24,136 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:42:24,389 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:42:24,621 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:42:24,866 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-15 02:42:25,100 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:42:26,837 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-15 02:42:27,099 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-15 02:42:27,332 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-15 02:42:27,574 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-15 02:42:27,818 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-15 02:42:28,088 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-15 02:42:28,610 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-15 02:42:28,849 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-15 02:42:29,088 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-15 02:42:29,342 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-15 02:42:29,586 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-15 02:42:30,091 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-15 02:42:30,333 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-15 02:42:30,868 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-15 02:42:31,109 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-15 02:42:34,429 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-15 02:42:34,892 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-15 02:42:35,320 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:42:35,762 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-15 02:42:36,147 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:42:36,563 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-15 02:42:36,941 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:42:37,405 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-15 02:42:37,811 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:42:39,280 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:42:39,567 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:42:39,847 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:42:40,101 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:42:40,399 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:42:40,659 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:42:40,934 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:42:41,182 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:42:41,352 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:42:41,497 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:42:41,769 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:42:42,023 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:42:42,300 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:42:42,551 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:42:42,842 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:42:43,092 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:42:43,250 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:42:43,663 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:42:43,925 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:42:44,201 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:42:44,455 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:42:44,609 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:42:44,894 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:42:45,324 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:42:45,624 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:42:45,810 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:42:46,368 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:46,786 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:42:47,037 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:42:47,183 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:47,451 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:47,985 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:48,148 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:52,420 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-15 02:42:52,709 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:42:53,038 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-15 02:42:53,318 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:42:53,609 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-15 02:42:53,876 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:42:54,161 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-15 02:42:54,432 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:42:54,737 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-15 02:42:55,023 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:42:55,307 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:42:55,584 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:42:55,878 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:42:56,152 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:42:56,472 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:42:56,803 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:42:57,132 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:42:57,423 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:42:57,753 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:42:58,028 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:42:58,333 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:42:58,624 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:42:58,938 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:42:59,203 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:42:59,343 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:42:59,655 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:42:59,941 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:43:00,237 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:43:00,515 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:43:00,821 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:43:01,104 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:43:01,386 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:43:01,648 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:43:01,924 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:43:02,195 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:43:02,466 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:43:02,735 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:43:02,902 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:43:03,055 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:43:03,333 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:43:03,607 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:43:03,880 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:43:04,154 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:43:04,427 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:43:04,701 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:43:04,969 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:43:05,229 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:43:05,383 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:43:05,521 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:43:05,699 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:43:05,839 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:43:06,031 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:43:06,169 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:43:06,500 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:43:06,772 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:43:07,055 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:43:07,334 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:43:07,605 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:43:07,872 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:43:08,032 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:43:08,180 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:43:08,450 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-15 02:43:08,726 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:43:08,884 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:43:09,024 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:09,186 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:43:09,331 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:09,506 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:43:09,919 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-15 02:43:10,198 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:43:10,462 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-15 02:43:10,743 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:43:11,009 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-15 02:43:11,292 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:43:11,448 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:43:11,590 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:11,749 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:43:11,888 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:12,059 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:43:12,203 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:12,368 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:43:12,797 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-15 02:43:13,074 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:43:13,243 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:43:13,388 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:13,554 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:43:13,694 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:13,874 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:43:14,016 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:14,168 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:14,458 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:15,266 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-15 02:43:15,578 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-15 02:43:15,720 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:16,019 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:16,320 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:16,635 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:17,222 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:18,827 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:43:32,024 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:43:32,355 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:43:32,574 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:43:32,789 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:43:32,977 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:43:33,244 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:43:33,455 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:43:33,645 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:43:33,878 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:34,069 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:43:34,290 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:43:34,492 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:43:34,706 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:34,894 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:43:35,107 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:35,289 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:43:35,529 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:35,716 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:43:35,908 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:43:36,133 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:36,322 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:43:36,513 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:43:36,726 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:43:36,906 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:43:37,116 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:43:37,297 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:43:37,552 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:43:37,733 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:43:37,958 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:43:38,185 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:43:38,353 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:43:38,551 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:43:38,733 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:43:38,993 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:43:39,230 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:43:39,487 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:43:39,687 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:43:39,862 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:43:40,054 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:43:40,228 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:43:40,489 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:43:40,681 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 02:43:40,864 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-15 02:43:41,088 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 02:43:41,311 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 02:43:41,586 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-15 02:43:41,772 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 02:43:41,950 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-15 02:43:42,146 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 02:43:42,327 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-15 02:43:42,563 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 02:43:42,776 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 02:43:43,240 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 02:43:43,425 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-15 02:43:43,636 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 02:43:44,165 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-15 02:43:44,499 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-15 02:43:44,703 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-15 02:43:44,945 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-15 02:43:45,160 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-15 02:43:46,265 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-15 02:43:48,205 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:43:48,429 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:43:48,642 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:43:48,840 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:43:49,251 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:43:49,567 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:43:49,881 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:43:50,115 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:43:50,304 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:43:50,520 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:43:50,706 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:43:50,962 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:43:51,204 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:43:51,417 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:43:51,664 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:43:51,878 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:43:52,102 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:43:52,331 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:43:52,608 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:43:52,816 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:43:53,113 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:43:53,355 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:53,548 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:53,834 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:54,106 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:54,426 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:54,671 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:54,872 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:55,086 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:55,279 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:55,552 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:55,755 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:55,991 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:56,197 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:56,418 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:56,614 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:56,895 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:57,062 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:57,222 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:58,478 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:43:58,704 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:43:59,016 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:43:59,206 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:43:59,428 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:43:59,663 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:43:59,954 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:44:00,163 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:44:00,354 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:44:00,549 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:44:00,732 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:44:00,970 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:44:01,511 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:44:02,007 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:44:02,368 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:44:02,575 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 02:44:02,809 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:44:03,060 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:44:05,200 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:44:05,434 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:44:05,649 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:44:05,850 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:44:06,186 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:44:06,547 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:44:06,917 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:44:07,136 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:44:07,329 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:44:07,547 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:44:07,737 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:44:07,976 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:44:08,192 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:44:08,387 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:44:08,617 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:44:08,791 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:44:08,998 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:44:09,191 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:44:09,414 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:44:09,610 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:44:09,933 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:44:10,173 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:44:10,365 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:44:10,633 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:44:10,904 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:44:11,180 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:44:11,398 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:44:11,577 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:44:11,778 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:44:11,951 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:44:12,230 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:44:12,419 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:44:12,640 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:44:12,825 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:44:13,035 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:44:13,228 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:44:13,520 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:44:13,732 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:44:13,940 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:44:14,171 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:44:14,365 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:44:14,626 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:44:15,116 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:44:15,308 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:44:15,543 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:44:15,760 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:44:16,030 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:44:16,223 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:44:16,440 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:44:16,661 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:44:16,936 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:44:17,124 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:44:17,301 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:44:17,477 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:44:17,645 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:44:17,856 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:44:18,829 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:44:19,220 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:44:19,430 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 02:44:19,755 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:44:19,985 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 90