/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/ssh-simplified/s3_srvr_4.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 04:44:52,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 04:44:52,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 04:44:52,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 04:44:52,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 04:44:52,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 04:44:52,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 04:44:52,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 04:44:52,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 04:44:52,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 04:44:52,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 04:44:52,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 04:44:52,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 04:44:52,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 04:44:52,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 04:44:52,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 04:44:52,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 04:44:52,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 04:44:52,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 04:44:52,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 04:44:52,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 04:44:52,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 04:44:52,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 04:44:52,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 04:44:52,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 04:44:52,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 04:44:52,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 04:44:52,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 04:44:52,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 04:44:52,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 04:44:52,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 04:44:52,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 04:44:52,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 04:44:52,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 04:44:52,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 04:44:52,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 04:44:52,939 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 04:44:52,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 04:44:52,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 04:44:52,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 04:44:52,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 04:44:52,945 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 04:44:52,967 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 04:44:52,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 04:44:52,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 04:44:52,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 04:44:52,969 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 04:44:52,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 04:44:52,970 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 04:44:52,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 04:44:52,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 04:44:52,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 04:44:52,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 04:44:52,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 04:44:52,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 04:44:52,971 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 04:44:52,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 04:44:52,971 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 04:44:52,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 04:44:52,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 04:44:52,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 04:44:52,972 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 04:44:52,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 04:44:52,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 04:44:52,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 04:44:52,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 04:44:52,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 04:44:52,973 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 04:44:52,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 04:44:52,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 04:44:52,974 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 04:44:52,974 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 04:44:53,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 04:44:53,293 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 04:44:53,296 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 04:44:53,298 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 04:44:53,298 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 04:44:53,299 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_4.cil.c [2020-10-15 04:44:53,363 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/15c5620c9/914446c35c764c918a0f573271e00df6/FLAGb1d67a6ef [2020-10-15 04:44:53,906 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 04:44:53,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_srvr_4.cil.c [2020-10-15 04:44:53,929 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/15c5620c9/914446c35c764c918a0f573271e00df6/FLAGb1d67a6ef [2020-10-15 04:44:54,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/15c5620c9/914446c35c764c918a0f573271e00df6 [2020-10-15 04:44:54,210 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 04:44:54,212 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 04:44:54,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 04:44:54,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 04:44:54,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 04:44:54,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:54" (1/1) ... [2020-10-15 04:44:54,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f77297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:54, skipping insertion in model container [2020-10-15 04:44:54,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:54" (1/1) ... [2020-10-15 04:44:54,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 04:44:54,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 04:44:54,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:44:54,568 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 04:44:54,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:44:54,746 INFO L208 MainTranslator]: Completed translation [2020-10-15 04:44:54,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:54 WrapperNode [2020-10-15 04:44:54,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 04:44:54,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 04:44:54,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 04:44:54,748 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 04:44:54,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:54" (1/1) ... [2020-10-15 04:44:54,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:54" (1/1) ... [2020-10-15 04:44:54,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:54" (1/1) ... [2020-10-15 04:44:54,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:54" (1/1) ... [2020-10-15 04:44:54,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:54" (1/1) ... [2020-10-15 04:44:54,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:54" (1/1) ... [2020-10-15 04:44:54,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:54" (1/1) ... [2020-10-15 04:44:54,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 04:44:54,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 04:44:54,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 04:44:54,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 04:44:54,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:54" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 04:44:54,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 04:44:54,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 04:44:54,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-10-15 04:44:54,885 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 04:44:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 04:44:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-15 04:44:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 04:44:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-15 04:44:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-10-15 04:44:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 04:44:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 04:44:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 04:44:55,110 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 04:44:55,610 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-10-15 04:44:55,610 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-10-15 04:44:55,621 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 04:44:55,621 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-15 04:44:55,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:55 BoogieIcfgContainer [2020-10-15 04:44:55,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 04:44:55,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 04:44:55,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 04:44:55,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 04:44:55,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:44:54" (1/3) ... [2020-10-15 04:44:55,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@396fd6b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:44:55, skipping insertion in model container [2020-10-15 04:44:55,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:54" (2/3) ... [2020-10-15 04:44:55,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@396fd6b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:44:55, skipping insertion in model container [2020-10-15 04:44:55,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:55" (3/3) ... [2020-10-15 04:44:55,637 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_4.cil.c [2020-10-15 04:44:55,648 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 04:44:55,656 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 04:44:55,671 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 04:44:55,698 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 04:44:55,699 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 04:44:55,699 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 04:44:55,699 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 04:44:55,699 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 04:44:55,700 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 04:44:55,700 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 04:44:55,700 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 04:44:55,725 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2020-10-15 04:44:55,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-15 04:44:55,735 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:55,736 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] [2020-10-15 04:44:55,737 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:55,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:55,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1127072202, now seen corresponding path program 1 times [2020-10-15 04:44:55,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:55,752 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1704730029] [2020-10-15 04:44:55,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:55,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:56,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:56,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:56,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:56,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 04:44:56,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:44:56,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 557 [2020-10-15 04:44:56,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:56,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:56,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:56,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 04:44:56,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 04:44:56,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 04:44:56,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:56,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:56,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:56,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:56,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:56,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:44:56,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:56,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:56,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:56,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:56,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:56,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:56,589 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 04:44:56,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1704730029] [2020-10-15 04:44:56,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:56,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:56,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992278930] [2020-10-15 04:44:56,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:56,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:56,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:56,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:56,618 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 3 states. [2020-10-15 04:44:56,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:56,727 INFO L93 Difference]: Finished difference Result 414 states and 702 transitions. [2020-10-15 04:44:56,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:44:56,729 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-10-15 04:44:56,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:56,745 INFO L225 Difference]: With dead ends: 414 [2020-10-15 04:44:56,745 INFO L226 Difference]: Without dead ends: 251 [2020-10-15 04:44:56,750 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:56,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-10-15 04:44:56,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2020-10-15 04:44:56,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2020-10-15 04:44:56,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 380 transitions. [2020-10-15 04:44:56,818 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 380 transitions. Word has length 49 [2020-10-15 04:44:56,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:56,819 INFO L479 AbstractCegarLoop]: Abstraction has 251 states and 380 transitions. [2020-10-15 04:44:56,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:44:56,819 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 380 transitions. [2020-10-15 04:44:56,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-15 04:44:56,826 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:56,826 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:44:56,826 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 04:44:56,827 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:56,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:56,827 INFO L82 PathProgramCache]: Analyzing trace with hash -146505943, now seen corresponding path program 1 times [2020-10-15 04:44:56,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:56,828 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [867696055] [2020-10-15 04:44:56,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:56,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:56,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:56,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:57,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:57,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 04:44:57,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:44:57,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-15 04:44:57,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:57,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:57,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:57,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-15 04:44:57,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-15 04:44:57,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:57,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:57,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:57,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:57,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:57,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:57,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:44:57,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:57,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:57,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:57,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:57,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:57,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 04:44:57,085 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:44:57,086 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [867696055] [2020-10-15 04:44:57,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:57,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:57,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872809788] [2020-10-15 04:44:57,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:57,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:57,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:57,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:57,090 INFO L87 Difference]: Start difference. First operand 251 states and 380 transitions. Second operand 3 states. [2020-10-15 04:44:57,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:57,156 INFO L93 Difference]: Finished difference Result 489 states and 747 transitions. [2020-10-15 04:44:57,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:44:57,157 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-10-15 04:44:57,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:57,161 INFO L225 Difference]: With dead ends: 489 [2020-10-15 04:44:57,161 INFO L226 Difference]: Without dead ends: 369 [2020-10-15 04:44:57,163 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:57,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2020-10-15 04:44:57,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2020-10-15 04:44:57,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2020-10-15 04:44:57,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 560 transitions. [2020-10-15 04:44:57,194 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 560 transitions. Word has length 65 [2020-10-15 04:44:57,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:57,195 INFO L479 AbstractCegarLoop]: Abstraction has 369 states and 560 transitions. [2020-10-15 04:44:57,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:44:57,195 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 560 transitions. [2020-10-15 04:44:57,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-15 04:44:57,201 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:57,201 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:44:57,202 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 04:44:57,202 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:57,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:57,202 INFO L82 PathProgramCache]: Analyzing trace with hash 389341593, now seen corresponding path program 1 times [2020-10-15 04:44:57,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:57,203 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1821728952] [2020-10-15 04:44:57,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:57,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:57,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:57,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:57,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:57,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-15 04:44:57,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:44:57,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-10-15 04:44:57,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:57,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:57,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:57,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-15 04:44:57,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 04:44:57,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:57,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:57,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:57,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:57,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:57,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:57,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:44:57,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:57,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:57,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:57,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:57,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:57,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:57,488 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-15 04:44:57,488 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1821728952] [2020-10-15 04:44:57,488 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:57,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:57,489 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726096843] [2020-10-15 04:44:57,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:57,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:57,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:57,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:57,490 INFO L87 Difference]: Start difference. First operand 369 states and 560 transitions. Second operand 3 states. [2020-10-15 04:44:57,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:57,754 INFO L93 Difference]: Finished difference Result 899 states and 1402 transitions. [2020-10-15 04:44:57,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:44:57,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-10-15 04:44:57,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:57,759 INFO L225 Difference]: With dead ends: 899 [2020-10-15 04:44:57,759 INFO L226 Difference]: Without dead ends: 534 [2020-10-15 04:44:57,761 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:57,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2020-10-15 04:44:57,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 516. [2020-10-15 04:44:57,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2020-10-15 04:44:57,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 809 transitions. [2020-10-15 04:44:57,789 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 809 transitions. Word has length 86 [2020-10-15 04:44:57,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:57,789 INFO L479 AbstractCegarLoop]: Abstraction has 516 states and 809 transitions. [2020-10-15 04:44:57,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:44:57,790 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 809 transitions. [2020-10-15 04:44:57,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-15 04:44:57,799 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:57,803 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:44:57,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 04:44:57,803 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:57,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:57,804 INFO L82 PathProgramCache]: Analyzing trace with hash -883064108, now seen corresponding path program 1 times [2020-10-15 04:44:57,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:57,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1198865937] [2020-10-15 04:44:57,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:57,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:57,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:58,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:58,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-15 04:44:58,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:44:58,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-15 04:44:58,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:58,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:58,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:58,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-15 04:44:58,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 04:44:58,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:58,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:58,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:58,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:58,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:58,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:58,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:44:58,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:58,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:58,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:58,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:58,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:58,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 04:44:58,173 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-10-15 04:44:58,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1198865937] [2020-10-15 04:44:58,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:58,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:58,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723257408] [2020-10-15 04:44:58,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:58,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:58,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:58,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:58,186 INFO L87 Difference]: Start difference. First operand 516 states and 809 transitions. Second operand 3 states. [2020-10-15 04:44:58,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:58,241 INFO L93 Difference]: Finished difference Result 1019 states and 1605 transitions. [2020-10-15 04:44:58,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:44:58,242 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2020-10-15 04:44:58,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:58,247 INFO L225 Difference]: With dead ends: 1019 [2020-10-15 04:44:58,247 INFO L226 Difference]: Without dead ends: 683 [2020-10-15 04:44:58,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:58,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2020-10-15 04:44:58,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 683. [2020-10-15 04:44:58,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 683 states. [2020-10-15 04:44:58,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 1073 transitions. [2020-10-15 04:44:58,271 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 1073 transitions. Word has length 114 [2020-10-15 04:44:58,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:58,272 INFO L479 AbstractCegarLoop]: Abstraction has 683 states and 1073 transitions. [2020-10-15 04:44:58,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:44:58,272 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1073 transitions. [2020-10-15 04:44:58,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-15 04:44:58,277 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:58,277 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:44:58,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 04:44:58,278 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:58,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:58,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1132457392, now seen corresponding path program 1 times [2020-10-15 04:44:58,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:58,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1110476662] [2020-10-15 04:44:58,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:58,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:58,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:58,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-15 04:44:58,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:58,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-15 04:44:58,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:58,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:58,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:58,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-15 04:44:58,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 04:44:58,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:44:58,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:58,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:58,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:58,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:58,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:58,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:44:58,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:58,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:58,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:58,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:58,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:58,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:44:58,443 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-15 04:44:58,443 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1110476662] [2020-10-15 04:44:58,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:58,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:58,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044787680] [2020-10-15 04:44:58,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:58,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:58,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:58,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:58,445 INFO L87 Difference]: Start difference. First operand 683 states and 1073 transitions. Second operand 3 states. [2020-10-15 04:44:58,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:58,491 INFO L93 Difference]: Finished difference Result 852 states and 1340 transitions. [2020-10-15 04:44:58,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:44:58,492 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-10-15 04:44:58,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:58,497 INFO L225 Difference]: With dead ends: 852 [2020-10-15 04:44:58,497 INFO L226 Difference]: Without dead ends: 850 [2020-10-15 04:44:58,498 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:58,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2020-10-15 04:44:58,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 850. [2020-10-15 04:44:58,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 850 states. [2020-10-15 04:44:58,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1338 transitions. [2020-10-15 04:44:58,521 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1338 transitions. Word has length 126 [2020-10-15 04:44:58,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:58,521 INFO L479 AbstractCegarLoop]: Abstraction has 850 states and 1338 transitions. [2020-10-15 04:44:58,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:44:58,522 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1338 transitions. [2020-10-15 04:44:58,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-15 04:44:58,525 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:58,525 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:44:58,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 04:44:58,526 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:58,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:58,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1975585050, now seen corresponding path program 1 times [2020-10-15 04:44:58,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:58,527 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1404658091] [2020-10-15 04:44:58,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:58,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:58,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:58,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:58,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-15 04:44:58,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:58,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-15 04:44:58,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:58,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:58,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:58,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-15 04:44:58,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-15 04:44:58,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:44:58,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:58,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:58,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:58,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:58,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:58,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:58,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:44:58,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:58,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:58,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:58,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:58,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:58,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:44:58,734 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-15 04:44:58,735 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1404658091] [2020-10-15 04:44:58,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:58,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:58,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620109057] [2020-10-15 04:44:58,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:58,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:58,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:58,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:58,737 INFO L87 Difference]: Start difference. First operand 850 states and 1338 transitions. Second operand 3 states. [2020-10-15 04:44:58,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:44:58,994 INFO L93 Difference]: Finished difference Result 1907 states and 3069 transitions. [2020-10-15 04:44:58,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:44:58,995 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2020-10-15 04:44:58,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:44:59,001 INFO L225 Difference]: With dead ends: 1907 [2020-10-15 04:44:59,001 INFO L226 Difference]: Without dead ends: 1070 [2020-10-15 04:44:59,004 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:59,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2020-10-15 04:44:59,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1055. [2020-10-15 04:44:59,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1055 states. [2020-10-15 04:44:59,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1583 transitions. [2020-10-15 04:44:59,036 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1583 transitions. Word has length 167 [2020-10-15 04:44:59,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:44:59,036 INFO L479 AbstractCegarLoop]: Abstraction has 1055 states and 1583 transitions. [2020-10-15 04:44:59,036 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:44:59,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1583 transitions. [2020-10-15 04:44:59,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-15 04:44:59,041 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:44:59,041 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:44:59,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 04:44:59,041 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:44:59,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:44:59,042 INFO L82 PathProgramCache]: Analyzing trace with hash 356835369, now seen corresponding path program 1 times [2020-10-15 04:44:59,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:44:59,042 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1147653045] [2020-10-15 04:44:59,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:44:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:59,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:59,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:59,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:59,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:59,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:59,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:59,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-15 04:44:59,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:44:59,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 666 [2020-10-15 04:44:59,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:59,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:59,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:44:59,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-15 04:44:59,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-15 04:44:59,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:44:59,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:44:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:44:59,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:44:59,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:44:59,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:44:59,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:44:59,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:44:59,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:44:59,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:44:59,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:44:59,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:44:59,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:44:59,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:44:59,803 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-15 04:44:59,804 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1147653045] [2020-10-15 04:44:59,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:44:59,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:44:59,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043184013] [2020-10-15 04:44:59,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:44:59,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:44:59,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:44:59,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:44:59,806 INFO L87 Difference]: Start difference. First operand 1055 states and 1583 transitions. Second operand 3 states. [2020-10-15 04:45:00,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:45:00,023 INFO L93 Difference]: Finished difference Result 2317 states and 3529 transitions. [2020-10-15 04:45:00,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:45:00,023 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2020-10-15 04:45:00,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:45:00,031 INFO L225 Difference]: With dead ends: 2317 [2020-10-15 04:45:00,031 INFO L226 Difference]: Without dead ends: 1230 [2020-10-15 04:45:00,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:45:00,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2020-10-15 04:45:00,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1215. [2020-10-15 04:45:00,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1215 states. [2020-10-15 04:45:00,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1798 transitions. [2020-10-15 04:45:00,070 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1798 transitions. Word has length 180 [2020-10-15 04:45:00,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:45:00,070 INFO L479 AbstractCegarLoop]: Abstraction has 1215 states and 1798 transitions. [2020-10-15 04:45:00,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:45:00,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1798 transitions. [2020-10-15 04:45:00,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-15 04:45:00,075 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:45:00,076 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:45:00,076 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 04:45:00,076 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:45:00,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:45:00,077 INFO L82 PathProgramCache]: Analyzing trace with hash 82875180, now seen corresponding path program 1 times [2020-10-15 04:45:00,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:45:00,077 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [389153922] [2020-10-15 04:45:00,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:45:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:45:00,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:00,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:00,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:00,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:00,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:00,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:00,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:01,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:45:01,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-15 04:45:01,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 04:45:01,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1468 [2020-10-15 04:45:01,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:45:01,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:45:01,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:45:01,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-15 04:45:01,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-15 04:45:01,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:45:01,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:45:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:45:01,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:01,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:45:01,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:45:01,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:45:01,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:45:01,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:45:01,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:45:01,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:45:01,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:45:01,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:45:01,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:45:01,684 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-10-15 04:45:01,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [389153922] [2020-10-15 04:45:01,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:45:01,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:45:01,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36312067] [2020-10-15 04:45:01,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:45:01,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:45:01,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:45:01,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:45:01,687 INFO L87 Difference]: Start difference. First operand 1215 states and 1798 transitions. Second operand 3 states. [2020-10-15 04:45:01,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:45:01,932 INFO L93 Difference]: Finished difference Result 2642 states and 3973 transitions. [2020-10-15 04:45:01,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:45:01,933 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2020-10-15 04:45:01,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:45:01,941 INFO L225 Difference]: With dead ends: 2642 [2020-10-15 04:45:01,941 INFO L226 Difference]: Without dead ends: 1395 [2020-10-15 04:45:01,944 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:45:01,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2020-10-15 04:45:01,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1320. [2020-10-15 04:45:01,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1320 states. [2020-10-15 04:45:01,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1973 transitions. [2020-10-15 04:45:01,981 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1973 transitions. Word has length 196 [2020-10-15 04:45:01,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:45:01,981 INFO L479 AbstractCegarLoop]: Abstraction has 1320 states and 1973 transitions. [2020-10-15 04:45:01,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:45:01,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1973 transitions. [2020-10-15 04:45:01,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-15 04:45:01,986 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:45:01,986 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:45:01,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 04:45:01,987 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:45:01,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:45:01,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1142029490, now seen corresponding path program 1 times [2020-10-15 04:45:01,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:45:01,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [947715413] [2020-10-15 04:45:01,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:45:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:45:02,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:02,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:02,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:02,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:02,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:02,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:45:02,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-15 04:45:02,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:45:02,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 785 [2020-10-15 04:45:02,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:45:02,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:45:02,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:45:02,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-15 04:45:02,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-15 04:45:02,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:45:02,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:45:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:45:02,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:02,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:45:02,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:45:02,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:45:02,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:45:02,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:45:02,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:45:02,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:45:02,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:45:02,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:45:02,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:45:02,863 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-10-15 04:45:02,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [947715413] [2020-10-15 04:45:02,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:45:02,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:45:02,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672442668] [2020-10-15 04:45:02,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:45:02,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:45:02,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:45:02,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:45:02,871 INFO L87 Difference]: Start difference. First operand 1320 states and 1973 transitions. Second operand 3 states. [2020-10-15 04:45:03,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:45:03,183 INFO L93 Difference]: Finished difference Result 2797 states and 4159 transitions. [2020-10-15 04:45:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:45:03,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2020-10-15 04:45:03,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:45:03,194 INFO L225 Difference]: With dead ends: 2797 [2020-10-15 04:45:03,195 INFO L226 Difference]: Without dead ends: 1410 [2020-10-15 04:45:03,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:45:03,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1410 states. [2020-10-15 04:45:03,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1410 to 1395. [2020-10-15 04:45:03,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1395 states. [2020-10-15 04:45:03,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 2013 transitions. [2020-10-15 04:45:03,277 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 2013 transitions. Word has length 208 [2020-10-15 04:45:03,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:45:03,277 INFO L479 AbstractCegarLoop]: Abstraction has 1395 states and 2013 transitions. [2020-10-15 04:45:03,277 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:45:03,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 2013 transitions. [2020-10-15 04:45:03,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-15 04:45:03,290 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:45:03,290 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:45:03,291 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 04:45:03,291 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:45:03,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:45:03,291 INFO L82 PathProgramCache]: Analyzing trace with hash -2010945306, now seen corresponding path program 1 times [2020-10-15 04:45:03,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:45:03,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1082611149] [2020-10-15 04:45:03,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:45:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:45:03,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:03,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:03,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:03,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:03,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:04,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:45:04,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-15 04:45:04,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:45:04,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 918 [2020-10-15 04:45:04,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:45:04,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:45:04,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:45:04,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-15 04:45:04,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-15 04:45:04,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:45:04,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:45:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:45:04,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:04,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:45:04,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:45:04,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:45:04,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:45:04,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:45:04,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:45:04,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:45:04,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:45:04,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:45:04,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:45:04,327 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-10-15 04:45:04,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1082611149] [2020-10-15 04:45:04,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:45:04,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:45:04,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709675636] [2020-10-15 04:45:04,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:45:04,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:45:04,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:45:04,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:45:04,330 INFO L87 Difference]: Start difference. First operand 1395 states and 2013 transitions. Second operand 3 states. [2020-10-15 04:45:04,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:45:04,552 INFO L93 Difference]: Finished difference Result 2947 states and 4239 transitions. [2020-10-15 04:45:04,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:45:04,553 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 209 [2020-10-15 04:45:04,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:45:04,562 INFO L225 Difference]: With dead ends: 2947 [2020-10-15 04:45:04,562 INFO L226 Difference]: Without dead ends: 1510 [2020-10-15 04:45:04,566 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:45:04,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1510 states. [2020-10-15 04:45:04,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1510 to 1495. [2020-10-15 04:45:04,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1495 states. [2020-10-15 04:45:04,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1495 states and 2153 transitions. [2020-10-15 04:45:04,618 INFO L78 Accepts]: Start accepts. Automaton has 1495 states and 2153 transitions. Word has length 209 [2020-10-15 04:45:04,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:45:04,618 INFO L479 AbstractCegarLoop]: Abstraction has 1495 states and 2153 transitions. [2020-10-15 04:45:04,618 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:45:04,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 2153 transitions. [2020-10-15 04:45:04,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-15 04:45:04,624 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:45:04,624 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:45:04,625 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 04:45:04,625 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:45:04,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:45:04,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1750979208, now seen corresponding path program 1 times [2020-10-15 04:45:04,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:45:04,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [487354766] [2020-10-15 04:45:04,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:45:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:45:04,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:04,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:04,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:05,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:45:05,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-15 04:45:05,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:45:05,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 473 [2020-10-15 04:45:05,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:45:05,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:45:05,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:45:05,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-15 04:45:05,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:45:05,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 04:45:05,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:45:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:45:05,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:05,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:45:05,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:45:05,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:45:05,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:45:05,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:45:05,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:45:05,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:45:05,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:45:05,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:45:05,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:45:05,203 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2020-10-15 04:45:05,203 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [487354766] [2020-10-15 04:45:05,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:45:05,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:45:05,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659485938] [2020-10-15 04:45:05,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:45:05,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:45:05,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:45:05,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:45:05,206 INFO L87 Difference]: Start difference. First operand 1495 states and 2153 transitions. Second operand 3 states. [2020-10-15 04:45:05,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:45:05,370 INFO L93 Difference]: Finished difference Result 3022 states and 4349 transitions. [2020-10-15 04:45:05,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:45:05,370 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 218 [2020-10-15 04:45:05,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:45:05,378 INFO L225 Difference]: With dead ends: 3022 [2020-10-15 04:45:05,379 INFO L226 Difference]: Without dead ends: 1540 [2020-10-15 04:45:05,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:45:05,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2020-10-15 04:45:05,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1540. [2020-10-15 04:45:05,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1540 states. [2020-10-15 04:45:05,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1540 states and 2208 transitions. [2020-10-15 04:45:05,442 INFO L78 Accepts]: Start accepts. Automaton has 1540 states and 2208 transitions. Word has length 218 [2020-10-15 04:45:05,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:45:05,442 INFO L479 AbstractCegarLoop]: Abstraction has 1540 states and 2208 transitions. [2020-10-15 04:45:05,442 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:45:05,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 2208 transitions. [2020-10-15 04:45:05,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-15 04:45:05,449 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:45:05,449 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:45:05,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 04:45:05,449 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:45:05,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:45:05,450 INFO L82 PathProgramCache]: Analyzing trace with hash -555522276, now seen corresponding path program 1 times [2020-10-15 04:45:05,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:45:05,450 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [361357976] [2020-10-15 04:45:05,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:45:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:45:05,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:05,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:05,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:45:05,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-15 04:45:05,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:45:05,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-10-15 04:45:05,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:45:05,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:45:05,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:45:05,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-15 04:45:05,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:45:05,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:45:05,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:45:05,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:45:05,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:05,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:45:05,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:45:05,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:45:05,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:45:05,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:45:05,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:45:05,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:45:05,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:45:05,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:45:05,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:45:05,861 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-15 04:45:05,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [361357976] [2020-10-15 04:45:05,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:45:05,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:45:05,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707453358] [2020-10-15 04:45:05,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:45:05,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:45:05,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:45:05,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:45:05,864 INFO L87 Difference]: Start difference. First operand 1540 states and 2208 transitions. Second operand 3 states. [2020-10-15 04:45:06,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:45:06,164 INFO L93 Difference]: Finished difference Result 3099 states and 4436 transitions. [2020-10-15 04:45:06,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:45:06,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 218 [2020-10-15 04:45:06,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:45:06,175 INFO L225 Difference]: With dead ends: 3099 [2020-10-15 04:45:06,176 INFO L226 Difference]: Without dead ends: 1567 [2020-10-15 04:45:06,180 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:45:06,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1567 states. [2020-10-15 04:45:06,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1567 to 1545. [2020-10-15 04:45:06,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1545 states. [2020-10-15 04:45:06,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2198 transitions. [2020-10-15 04:45:06,238 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2198 transitions. Word has length 218 [2020-10-15 04:45:06,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:45:06,239 INFO L479 AbstractCegarLoop]: Abstraction has 1545 states and 2198 transitions. [2020-10-15 04:45:06,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:45:06,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2198 transitions. [2020-10-15 04:45:06,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-10-15 04:45:06,244 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:45:06,245 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:45:06,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-15 04:45:06,245 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:45:06,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:45:06,246 INFO L82 PathProgramCache]: Analyzing trace with hash 2121219740, now seen corresponding path program 1 times [2020-10-15 04:45:06,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:45:06,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [506945728] [2020-10-15 04:45:06,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:45:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:45:06,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:06,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:06,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:45:06,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-15 04:45:06,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:45:06,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 288 [2020-10-15 04:45:06,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:45:06,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:45:06,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 04:45:06,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-10-15 04:45:06,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-15 04:45:06,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:45:06,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:45:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:45:06,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:06,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:45:06,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:45:06,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:45:06,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:45:06,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:45:06,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:45:06,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:45:06,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:45:06,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:45:06,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:45:06,674 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 343 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-15 04:45:06,675 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [506945728] [2020-10-15 04:45:06,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 04:45:06,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-15 04:45:06,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804837555] [2020-10-15 04:45:06,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 04:45:06,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:45:06,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 04:45:06,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 04:45:06,677 INFO L87 Difference]: Start difference. First operand 1545 states and 2198 transitions. Second operand 4 states. [2020-10-15 04:45:07,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:45:07,141 INFO L93 Difference]: Finished difference Result 4225 states and 6086 transitions. [2020-10-15 04:45:07,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 04:45:07,142 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 237 [2020-10-15 04:45:07,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:45:07,158 INFO L225 Difference]: With dead ends: 4225 [2020-10-15 04:45:07,158 INFO L226 Difference]: Without dead ends: 2652 [2020-10-15 04:45:07,173 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 04:45:07,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2652 states. [2020-10-15 04:45:07,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2652 to 2365. [2020-10-15 04:45:07,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2365 states. [2020-10-15 04:45:07,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2365 states to 2365 states and 3458 transitions. [2020-10-15 04:45:07,258 INFO L78 Accepts]: Start accepts. Automaton has 2365 states and 3458 transitions. Word has length 237 [2020-10-15 04:45:07,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:45:07,258 INFO L479 AbstractCegarLoop]: Abstraction has 2365 states and 3458 transitions. [2020-10-15 04:45:07,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 04:45:07,259 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states and 3458 transitions. [2020-10-15 04:45:07,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-15 04:45:07,267 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:45:07,267 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:45:07,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-15 04:45:07,268 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:45:07,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:45:07,268 INFO L82 PathProgramCache]: Analyzing trace with hash 499648914, now seen corresponding path program 1 times [2020-10-15 04:45:07,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:45:07,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1688075994] [2020-10-15 04:45:07,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:45:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:45:07,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:07,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:45:07,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-15 04:45:07,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:45:07,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-15 04:45:07,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:45:07,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:45:07,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:45:07,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 133 [2020-10-15 04:45:07,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 04:45:07,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:45:07,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:45:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:45:07,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:07,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:45:07,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:45:07,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:45:07,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:45:07,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:45:07,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:45:07,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:45:07,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:45:07,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:45:07,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:45:07,586 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2020-10-15 04:45:07,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1688075994] [2020-10-15 04:45:07,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:45:07,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:45:07,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133978007] [2020-10-15 04:45:07,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:45:07,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:45:07,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:45:07,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:45:07,589 INFO L87 Difference]: Start difference. First operand 2365 states and 3458 transitions. Second operand 3 states. [2020-10-15 04:45:07,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:45:07,797 INFO L93 Difference]: Finished difference Result 4720 states and 6902 transitions. [2020-10-15 04:45:07,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:45:07,798 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2020-10-15 04:45:07,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:45:07,811 INFO L225 Difference]: With dead ends: 4720 [2020-10-15 04:45:07,811 INFO L226 Difference]: Without dead ends: 2368 [2020-10-15 04:45:07,818 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:45:07,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2368 states. [2020-10-15 04:45:07,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2368 to 2365. [2020-10-15 04:45:07,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2365 states. [2020-10-15 04:45:07,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2365 states to 2365 states and 3426 transitions. [2020-10-15 04:45:07,926 INFO L78 Accepts]: Start accepts. Automaton has 2365 states and 3426 transitions. Word has length 246 [2020-10-15 04:45:07,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:45:07,927 INFO L479 AbstractCegarLoop]: Abstraction has 2365 states and 3426 transitions. [2020-10-15 04:45:07,927 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:45:07,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states and 3426 transitions. [2020-10-15 04:45:07,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-15 04:45:07,940 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:45:07,940 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:45:07,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-15 04:45:07,941 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:45:07,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:45:07,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1931626416, now seen corresponding path program 1 times [2020-10-15 04:45:07,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:45:07,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [774273490] [2020-10-15 04:45:07,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:45:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:45:08,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:08,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:45:08,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-15 04:45:08,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:45:08,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-10-15 04:45:08,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:45:08,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:45:08,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 04:45:08,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-10-15 04:45:08,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-15 04:45:08,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:45:08,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:45:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:45:08,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:08,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:45:08,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:45:08,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:45:08,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:45:08,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:45:08,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:45:08,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:45:08,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:45:08,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:45:08,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:45:08,371 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-10-15 04:45:08,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [774273490] [2020-10-15 04:45:08,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 04:45:08,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-15 04:45:08,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676282392] [2020-10-15 04:45:08,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 04:45:08,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:45:08,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 04:45:08,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 04:45:08,376 INFO L87 Difference]: Start difference. First operand 2365 states and 3426 transitions. Second operand 4 states. [2020-10-15 04:45:09,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:45:09,113 INFO L93 Difference]: Finished difference Result 6711 states and 9770 transitions. [2020-10-15 04:45:09,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 04:45:09,113 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 258 [2020-10-15 04:45:09,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:45:09,143 INFO L225 Difference]: With dead ends: 6711 [2020-10-15 04:45:09,143 INFO L226 Difference]: Without dead ends: 4359 [2020-10-15 04:45:09,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 04:45:09,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4359 states. [2020-10-15 04:45:09,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4359 to 3891. [2020-10-15 04:45:09,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3891 states. [2020-10-15 04:45:09,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3891 states to 3891 states and 5244 transitions. [2020-10-15 04:45:09,323 INFO L78 Accepts]: Start accepts. Automaton has 3891 states and 5244 transitions. Word has length 258 [2020-10-15 04:45:09,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:45:09,323 INFO L479 AbstractCegarLoop]: Abstraction has 3891 states and 5244 transitions. [2020-10-15 04:45:09,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 04:45:09,324 INFO L276 IsEmpty]: Start isEmpty. Operand 3891 states and 5244 transitions. [2020-10-15 04:45:09,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-15 04:45:09,336 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:45:09,336 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:45:09,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-15 04:45:09,336 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:45:09,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:45:09,337 INFO L82 PathProgramCache]: Analyzing trace with hash -2074521490, now seen corresponding path program 1 times [2020-10-15 04:45:09,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:45:09,337 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1028470167] [2020-10-15 04:45:09,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:45:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:45:09,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:09,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:09,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:09,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:45:09,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-15 04:45:09,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:45:09,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 381 [2020-10-15 04:45:09,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:45:09,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:45:09,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:45:09,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-15 04:45:09,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-15 04:45:09,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:45:09,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:45:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:45:09,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:09,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:45:09,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:45:09,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:45:09,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:45:09,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:45:09,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:45:09,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:45:09,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:45:09,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:45:09,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:45:09,856 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2020-10-15 04:45:09,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1028470167] [2020-10-15 04:45:09,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:45:09,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:45:09,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324630482] [2020-10-15 04:45:09,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:45:09,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:45:09,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:45:09,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:45:09,858 INFO L87 Difference]: Start difference. First operand 3891 states and 5244 transitions. Second operand 3 states. [2020-10-15 04:45:10,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:45:10,031 INFO L93 Difference]: Finished difference Result 10030 states and 13482 transitions. [2020-10-15 04:45:10,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:45:10,032 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 258 [2020-10-15 04:45:10,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:45:10,065 INFO L225 Difference]: With dead ends: 10030 [2020-10-15 04:45:10,065 INFO L226 Difference]: Without dead ends: 6152 [2020-10-15 04:45:10,074 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:45:10,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6152 states. [2020-10-15 04:45:10,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6152 to 6150. [2020-10-15 04:45:10,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6150 states. [2020-10-15 04:45:10,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6150 states to 6150 states and 8223 transitions. [2020-10-15 04:45:10,400 INFO L78 Accepts]: Start accepts. Automaton has 6150 states and 8223 transitions. Word has length 258 [2020-10-15 04:45:10,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:45:10,400 INFO L479 AbstractCegarLoop]: Abstraction has 6150 states and 8223 transitions. [2020-10-15 04:45:10,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:45:10,401 INFO L276 IsEmpty]: Start isEmpty. Operand 6150 states and 8223 transitions. [2020-10-15 04:45:10,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-10-15 04:45:10,419 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:45:10,419 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:45:10,419 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-15 04:45:10,419 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:45:10,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:45:10,420 INFO L82 PathProgramCache]: Analyzing trace with hash -381613367, now seen corresponding path program 1 times [2020-10-15 04:45:10,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:45:10,420 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [15892629] [2020-10-15 04:45:10,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:45:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:45:10,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:10,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:10,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:45:10,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-15 04:45:10,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:45:10,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 285 [2020-10-15 04:45:10,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:45:10,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:45:10,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:45:10,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 133 [2020-10-15 04:45:10,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 04:45:10,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:45:10,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:45:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:45:10,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:10,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:45:10,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:45:10,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:45:10,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:45:10,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:45:10,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:45:10,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:45:10,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:45:10,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:45:10,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:45:10,816 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2020-10-15 04:45:10,816 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [15892629] [2020-10-15 04:45:10,816 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:45:10,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:45:10,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750979828] [2020-10-15 04:45:10,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:45:10,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:45:10,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:45:10,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:45:10,818 INFO L87 Difference]: Start difference. First operand 6150 states and 8223 transitions. Second operand 3 states. [2020-10-15 04:45:11,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:45:11,143 INFO L93 Difference]: Finished difference Result 10908 states and 14449 transitions. [2020-10-15 04:45:11,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:45:11,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 261 [2020-10-15 04:45:11,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:45:11,161 INFO L225 Difference]: With dead ends: 10908 [2020-10-15 04:45:11,161 INFO L226 Difference]: Without dead ends: 6691 [2020-10-15 04:45:11,171 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:45:11,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6691 states. [2020-10-15 04:45:11,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6691 to 6360. [2020-10-15 04:45:11,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6360 states. [2020-10-15 04:45:11,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6360 states to 6360 states and 8508 transitions. [2020-10-15 04:45:11,392 INFO L78 Accepts]: Start accepts. Automaton has 6360 states and 8508 transitions. Word has length 261 [2020-10-15 04:45:11,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:45:11,393 INFO L479 AbstractCegarLoop]: Abstraction has 6360 states and 8508 transitions. [2020-10-15 04:45:11,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:45:11,393 INFO L276 IsEmpty]: Start isEmpty. Operand 6360 states and 8508 transitions. [2020-10-15 04:45:11,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-10-15 04:45:11,417 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:45:11,417 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:45:11,418 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-15 04:45:11,418 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:45:11,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:45:11,418 INFO L82 PathProgramCache]: Analyzing trace with hash 281332617, now seen corresponding path program 1 times [2020-10-15 04:45:11,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:45:11,419 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1669726724] [2020-10-15 04:45:11,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:45:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:45:11,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:11,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:11,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:11,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:11,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:11,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:12,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:45:12,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 303 [2020-10-15 04:45:12,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:45:12,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1044 [2020-10-15 04:45:12,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:45:12,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:45:12,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:45:12,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-15 04:45:12,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-15 04:45:12,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:45:12,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:45:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:45:12,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:12,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:45:12,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:45:12,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:45:12,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:45:12,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:45:12,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:45:12,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:45:12,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:45:12,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:45:12,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:45:12,633 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 493 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2020-10-15 04:45:12,634 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1669726724] [2020-10-15 04:45:12,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:45:12,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 04:45:12,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772230240] [2020-10-15 04:45:12,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 04:45:12,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:45:12,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 04:45:12,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:45:12,636 INFO L87 Difference]: Start difference. First operand 6360 states and 8508 transitions. Second operand 3 states. [2020-10-15 04:45:12,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:45:12,821 INFO L93 Difference]: Finished difference Result 11181 states and 14963 transitions. [2020-10-15 04:45:12,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 04:45:12,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 295 [2020-10-15 04:45:12,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:45:12,840 INFO L225 Difference]: With dead ends: 11181 [2020-10-15 04:45:12,841 INFO L226 Difference]: Without dead ends: 7534 [2020-10-15 04:45:12,850 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 04:45:12,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7534 states. [2020-10-15 04:45:13,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7534 to 7277. [2020-10-15 04:45:13,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7277 states. [2020-10-15 04:45:13,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7277 states to 7277 states and 9824 transitions. [2020-10-15 04:45:13,118 INFO L78 Accepts]: Start accepts. Automaton has 7277 states and 9824 transitions. Word has length 295 [2020-10-15 04:45:13,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:45:13,118 INFO L479 AbstractCegarLoop]: Abstraction has 7277 states and 9824 transitions. [2020-10-15 04:45:13,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 04:45:13,119 INFO L276 IsEmpty]: Start isEmpty. Operand 7277 states and 9824 transitions. [2020-10-15 04:45:13,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-10-15 04:45:13,211 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:45:13,212 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:45:13,212 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-15 04:45:13,212 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:45:13,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:45:13,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1728599266, now seen corresponding path program 1 times [2020-10-15 04:45:13,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:45:13,214 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [51890511] [2020-10-15 04:45:13,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:45:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:45:13,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:13,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:13,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:13,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:45:13,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 319 [2020-10-15 04:45:13,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:45:13,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 551 [2020-10-15 04:45:13,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:45:13,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:45:13,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 04:45:13,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 171 [2020-10-15 04:45:13,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-15 04:45:13,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:45:13,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:45:13,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:45:13,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:45:13,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:45:13,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:45:13,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:45:13,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:45:13,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:45:13,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:45:13,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:45:13,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:45:13,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:45:13,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:45:13,952 INFO L134 CoverageAnalysis]: Checked inductivity of 876 backedges. 622 proven. 26 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2020-10-15 04:45:13,952 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [51890511] [2020-10-15 04:45:13,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 04:45:13,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-15 04:45:13,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119518580] [2020-10-15 04:45:13,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 04:45:13,955 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:45:13,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 04:45:13,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 04:45:13,955 INFO L87 Difference]: Start difference. First operand 7277 states and 9824 transitions. Second operand 4 states. [2020-10-15 04:45:14,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:45:14,299 INFO L93 Difference]: Finished difference Result 11166 states and 14914 transitions. [2020-10-15 04:45:14,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 04:45:14,299 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 311 [2020-10-15 04:45:14,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:45:14,300 INFO L225 Difference]: With dead ends: 11166 [2020-10-15 04:45:14,300 INFO L226 Difference]: Without dead ends: 0 [2020-10-15 04:45:14,318 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 04:45:14,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-15 04:45:14,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-15 04:45:14,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-15 04:45:14,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-15 04:45:14,319 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 311 [2020-10-15 04:45:14,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:45:14,319 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-15 04:45:14,319 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 04:45:14,320 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-15 04:45:14,320 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-15 04:45:14,320 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-15 04:45:14,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-15 04:45:14,768 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 75 [2020-10-15 04:45:14,916 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 75 [2020-10-15 04:45:15,264 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 17 [2020-10-15 04:45:15,384 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 9 [2020-10-15 04:45:16,030 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 21 [2020-10-15 04:45:16,230 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 27 [2020-10-15 04:45:16,526 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 20 [2020-10-15 04:45:16,925 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2020-10-15 04:45:17,469 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2020-10-15 04:45:17,545 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-15 04:45:17,545 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-15 04:45:17,546 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-15 04:45:17,546 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-15 04:45:17,546 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-15 04:45:17,546 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-15 04:45:17,546 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 611 622) the Hoare annotation is: true [2020-10-15 04:45:17,546 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 611 622) no Hoare annotation was computed. [2020-10-15 04:45:17,546 INFO L271 CegarLoopResult]: At program point L618(line 618) the Hoare annotation is: true [2020-10-15 04:45:17,546 INFO L268 CegarLoopResult]: For program point L618-1(line 618) no Hoare annotation was computed. [2020-10-15 04:45:17,547 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 611 622) no Hoare annotation was computed. [2020-10-15 04:45:17,547 INFO L268 CegarLoopResult]: For program point L465(lines 465 467) no Hoare annotation was computed. [2020-10-15 04:45:17,547 INFO L268 CegarLoopResult]: For program point L399(lines 399 401) no Hoare annotation was computed. [2020-10-15 04:45:17,547 INFO L268 CegarLoopResult]: For program point L333(lines 333 363) no Hoare annotation was computed. [2020-10-15 04:45:17,547 INFO L264 CegarLoopResult]: At program point L201(lines 197 546) the Hoare annotation is: (and (<= ssl3_accept_~blastFlag~0 3) (<= 8672 ssl3_accept_~s__state~0)) [2020-10-15 04:45:17,547 INFO L264 CegarLoopResult]: At program point L102(lines 101 578) the Hoare annotation is: (and (<= ssl3_accept_~blastFlag~0 0) (= 12292 ssl3_accept_~s__state~0)) [2020-10-15 04:45:17,547 INFO L271 CegarLoopResult]: At program point L598(lines 97 599) the Hoare annotation is: true [2020-10-15 04:45:17,548 INFO L268 CegarLoopResult]: For program point L532(lines 532 534) no Hoare annotation was computed. [2020-10-15 04:45:17,548 INFO L268 CegarLoopResult]: For program point L203(lines 203 544) no Hoare annotation was computed. [2020-10-15 04:45:17,548 INFO L268 CegarLoopResult]: For program point L170(lines 170 555) no Hoare annotation was computed. [2020-10-15 04:45:17,549 INFO L268 CegarLoopResult]: For program point L137(lines 137 566) no Hoare annotation was computed. [2020-10-15 04:45:17,549 INFO L268 CegarLoopResult]: For program point L104(lines 104 577) no Hoare annotation was computed. [2020-10-15 04:45:17,549 INFO L268 CegarLoopResult]: For program point L303(lines 303 310) no Hoare annotation was computed. [2020-10-15 04:45:17,549 INFO L268 CegarLoopResult]: For program point L303-2(lines 303 310) no Hoare annotation was computed. [2020-10-15 04:45:17,549 INFO L271 CegarLoopResult]: At program point L204(lines 203 544) the Hoare annotation is: true [2020-10-15 04:45:17,550 INFO L264 CegarLoopResult]: At program point L171(lines 167 556) the Hoare annotation is: (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8640))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 (= ssl3_accept_~s__hit~0 0) .cse1 (<= ssl3_accept_~blastFlag~0 2)) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)))) [2020-10-15 04:45:17,551 INFO L264 CegarLoopResult]: At program point L138(lines 134 567) the Hoare annotation is: (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8640))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1) (and .cse0 (= ssl3_accept_~s__hit~0 0) .cse1 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-15 04:45:17,551 INFO L268 CegarLoopResult]: For program point L338(lines 338 361) no Hoare annotation was computed. [2020-10-15 04:45:17,551 INFO L271 CegarLoopResult]: At program point L206(lines 205 544) the Hoare annotation is: true [2020-10-15 04:45:17,551 INFO L268 CegarLoopResult]: For program point L173(lines 173 554) no Hoare annotation was computed. [2020-10-15 04:45:17,551 INFO L268 CegarLoopResult]: For program point L140(lines 140 565) no Hoare annotation was computed. [2020-10-15 04:45:17,551 INFO L268 CegarLoopResult]: For program point L107(lines 107 576) no Hoare annotation was computed. [2020-10-15 04:45:17,551 INFO L268 CegarLoopResult]: For program point L603(lines 603 605) no Hoare annotation was computed. [2020-10-15 04:45:17,552 INFO L268 CegarLoopResult]: For program point L603-2(lines 603 605) no Hoare annotation was computed. [2020-10-15 04:45:17,552 INFO L268 CegarLoopResult]: For program point L504(lines 504 507) no Hoare annotation was computed. [2020-10-15 04:45:17,552 INFO L268 CegarLoopResult]: For program point L273(lines 273 275) no Hoare annotation was computed. [2020-10-15 04:45:17,553 INFO L268 CegarLoopResult]: For program point L273-2(lines 207 541) no Hoare annotation was computed. [2020-10-15 04:45:17,553 INFO L268 CegarLoopResult]: For program point L439(lines 439 441) no Hoare annotation was computed. [2020-10-15 04:45:17,553 INFO L268 CegarLoopResult]: For program point L307(lines 307 309) no Hoare annotation was computed. [2020-10-15 04:45:17,553 INFO L271 CegarLoopResult]: At program point ssl3_acceptENTRY(lines 10 610) the Hoare annotation is: true [2020-10-15 04:45:17,554 INFO L268 CegarLoopResult]: For program point L341(lines 341 345) no Hoare annotation was computed. [2020-10-15 04:45:17,554 INFO L268 CegarLoopResult]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2020-10-15 04:45:17,554 INFO L268 CegarLoopResult]: For program point L242(lines 242 252) no Hoare annotation was computed. [2020-10-15 04:45:17,554 INFO L268 CegarLoopResult]: For program point L176(lines 176 553) no Hoare annotation was computed. [2020-10-15 04:45:17,554 INFO L268 CegarLoopResult]: For program point L143(lines 143 564) no Hoare annotation was computed. [2020-10-15 04:45:17,554 INFO L268 CegarLoopResult]: For program point L110(lines 110 575) no Hoare annotation was computed. [2020-10-15 04:45:17,554 INFO L268 CegarLoopResult]: For program point L474(lines 474 476) no Hoare annotation was computed. [2020-10-15 04:45:17,554 INFO L268 CegarLoopResult]: For program point L375(lines 375 407) no Hoare annotation was computed. [2020-10-15 04:45:17,555 INFO L268 CegarLoopResult]: For program point L243(lines 243 246) no Hoare annotation was computed. [2020-10-15 04:45:17,555 INFO L264 CegarLoopResult]: At program point L210(lines 104 577) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~blastFlag~0 0)) (.cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse1 (<= ssl3_accept_~s__state~0 8448))) (or (and .cse0 (<= 8672 ssl3_accept_~s__state~0)) (and .cse1 .cse0) (and (= ssl3_accept_~s__hit~0 0) (<= ssl3_accept_~blastFlag~0 2) .cse2 .cse1) (and (<= ssl3_accept_~blastFlag~0 1) .cse2 .cse1))) [2020-10-15 04:45:17,555 INFO L264 CegarLoopResult]: At program point L177(lines 173 554) the Hoare annotation is: (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8640))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 (= ssl3_accept_~s__hit~0 0) .cse1 (<= ssl3_accept_~blastFlag~0 2)) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)))) [2020-10-15 04:45:17,556 INFO L264 CegarLoopResult]: At program point L144(lines 140 565) the Hoare annotation is: (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8640))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 (= ssl3_accept_~s__hit~0 0) .cse1 (<= ssl3_accept_~blastFlag~0 2)) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)))) [2020-10-15 04:45:17,556 INFO L268 CegarLoopResult]: For program point L442(lines 442 451) no Hoare annotation was computed. [2020-10-15 04:45:17,557 INFO L268 CegarLoopResult]: For program point L376(lines 376 382) no Hoare annotation was computed. [2020-10-15 04:45:17,557 INFO L264 CegarLoopResult]: At program point L542(lines 98 597) the Hoare annotation is: (let ((.cse8 (= ssl3_accept_~s__hit~0 0))) (let ((.cse6 (<= 8480 ssl3_accept_~s__state~0)) (.cse11 (<= 8640 ssl3_accept_~s__state~0)) (.cse7 (<= ssl3_accept_~blastFlag~0 1)) (.cse9 (<= ssl3_accept_~s__state~0 8640)) (.cse10 (<= ssl3_accept_~blastFlag~0 2)) (.cse1 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse2 (not .cse8)) (.cse3 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse13 (= ssl3_accept_~s__state~0 3)) (.cse0 (<= 8448 ssl3_accept_~s__state~0)) (.cse4 (<= ssl3_accept_~s__state~0 8448)) (.cse12 (= 3 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse5 (<= ssl3_accept_~blastFlag~0 3))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 (<= ssl3_accept_~s__state~0 8496)) (and .cse6 .cse8 .cse9 .cse10) (and (<= 8464 ssl3_accept_~s__state~0) .cse8 (<= ssl3_accept_~s__state~0 8480) .cse10) (and .cse11 .cse1 .cse2 .cse9 .cse3 .cse5) (<= ssl3_accept_~blastFlag~0 0) (and (<= ssl3_accept_~s__state~0 8672) .cse5 (<= 8672 ssl3_accept_~s__state~0)) (and .cse8 .cse12 .cse5 .cse13) (and (<= ssl3_accept_~s__state~0 8656) .cse11 .cse10) (and .cse8 .cse9 .cse10 .cse3) (and .cse7 .cse9 .cse3) (and .cse10 .cse13) (and .cse1 .cse2 .cse3 .cse5 .cse13) (and .cse0 .cse8 .cse4 .cse12 .cse5)))) [2020-10-15 04:45:17,557 INFO L268 CegarLoopResult]: For program point L179(lines 179 552) no Hoare annotation was computed. [2020-10-15 04:45:17,557 INFO L268 CegarLoopResult]: For program point L146(lines 146 563) no Hoare annotation was computed. [2020-10-15 04:45:17,557 INFO L268 CegarLoopResult]: For program point L113(lines 113 574) no Hoare annotation was computed. [2020-10-15 04:45:17,557 INFO L268 CegarLoopResult]: For program point L477(lines 477 481) no Hoare annotation was computed. [2020-10-15 04:45:17,557 INFO L268 CegarLoopResult]: For program point L477-2(lines 477 481) no Hoare annotation was computed. [2020-10-15 04:45:17,558 INFO L268 CegarLoopResult]: For program point L81(lines 81 87) no Hoare annotation was computed. [2020-10-15 04:45:17,558 INFO L268 CegarLoopResult]: For program point L512(lines 512 514) no Hoare annotation was computed. [2020-10-15 04:45:17,558 INFO L268 CegarLoopResult]: For program point L446(lines 446 448) no Hoare annotation was computed. [2020-10-15 04:45:17,558 INFO L268 CegarLoopResult]: For program point L215(lines 215 217) no Hoare annotation was computed. [2020-10-15 04:45:17,558 INFO L268 CegarLoopResult]: For program point L182(lines 182 551) no Hoare annotation was computed. [2020-10-15 04:45:17,558 INFO L268 CegarLoopResult]: For program point L149(lines 149 562) no Hoare annotation was computed. [2020-10-15 04:45:17,558 INFO L268 CegarLoopResult]: For program point L215-2(lines 215 217) no Hoare annotation was computed. [2020-10-15 04:45:17,559 INFO L268 CegarLoopResult]: For program point L116(lines 116 573) no Hoare annotation was computed. [2020-10-15 04:45:17,559 INFO L268 CegarLoopResult]: For program point L579(lines 579 595) no Hoare annotation was computed. [2020-10-15 04:45:17,559 INFO L264 CegarLoopResult]: At program point L513(lines 71 609) the Hoare annotation is: false [2020-10-15 04:45:17,559 INFO L264 CegarLoopResult]: At program point L183(lines 179 552) the Hoare annotation is: (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8640))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 (= ssl3_accept_~s__hit~0 0) .cse1 (<= ssl3_accept_~blastFlag~0 2)) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)))) [2020-10-15 04:45:17,559 INFO L264 CegarLoopResult]: At program point L150(lines 146 563) the Hoare annotation is: (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8640))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 (= ssl3_accept_~s__hit~0 0) .cse1 (<= ssl3_accept_~blastFlag~0 2)) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)))) [2020-10-15 04:45:17,559 INFO L268 CegarLoopResult]: For program point L84(lines 84 86) no Hoare annotation was computed. [2020-10-15 04:45:17,559 INFO L268 CegarLoopResult]: For program point L84-2(lines 81 87) no Hoare annotation was computed. [2020-10-15 04:45:17,560 INFO L268 CegarLoopResult]: For program point L580(lines 580 594) no Hoare annotation was computed. [2020-10-15 04:45:17,560 INFO L268 CegarLoopResult]: For program point L349(lines 349 357) no Hoare annotation was computed. [2020-10-15 04:45:17,560 INFO L268 CegarLoopResult]: For program point L581(lines 581 586) no Hoare annotation was computed. [2020-10-15 04:45:17,560 INFO L268 CegarLoopResult]: For program point L515(lines 515 517) no Hoare annotation was computed. [2020-10-15 04:45:17,561 INFO L268 CegarLoopResult]: For program point L581-2(lines 580 594) no Hoare annotation was computed. [2020-10-15 04:45:17,561 INFO L264 CegarLoopResult]: At program point L350(lines 326 368) the Hoare annotation is: (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8640))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 (= ssl3_accept_~s__hit~0 0) .cse1 (<= ssl3_accept_~blastFlag~0 2)) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)))) [2020-10-15 04:45:17,561 INFO L268 CegarLoopResult]: For program point L185(lines 185 550) no Hoare annotation was computed. [2020-10-15 04:45:17,561 INFO L268 CegarLoopResult]: For program point L152(lines 152 561) no Hoare annotation was computed. [2020-10-15 04:45:17,561 INFO L268 CegarLoopResult]: For program point L119(lines 119 572) no Hoare annotation was computed. [2020-10-15 04:45:17,562 INFO L268 CegarLoopResult]: For program point L417(lines 417 419) no Hoare annotation was computed. [2020-10-15 04:45:17,563 INFO L264 CegarLoopResult]: At program point L384(lines 375 407) the Hoare annotation is: (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8640))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 (= ssl3_accept_~s__hit~0 0) .cse1 (<= ssl3_accept_~blastFlag~0 2)) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)))) [2020-10-15 04:45:17,563 INFO L264 CegarLoopResult]: At program point L120(lines 116 573) the Hoare annotation is: (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8496))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1) (and .cse0 (= ssl3_accept_~s__hit~0 0) .cse1 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-15 04:45:17,563 INFO L268 CegarLoopResult]: For program point L583(lines 583 585) no Hoare annotation was computed. [2020-10-15 04:45:17,563 INFO L268 CegarLoopResult]: For program point L352(lines 352 354) no Hoare annotation was computed. [2020-10-15 04:45:17,563 INFO L268 CegarLoopResult]: For program point L286(lines 286 288) no Hoare annotation was computed. [2020-10-15 04:45:17,563 INFO L268 CegarLoopResult]: For program point L220(lines 220 222) no Hoare annotation was computed. [2020-10-15 04:45:17,563 INFO L268 CegarLoopResult]: For program point L286-2(lines 207 541) no Hoare annotation was computed. [2020-10-15 04:45:17,564 INFO L268 CegarLoopResult]: For program point L320(lines 320 324) no Hoare annotation was computed. [2020-10-15 04:45:17,564 INFO L268 CegarLoopResult]: For program point L320-2(lines 207 541) no Hoare annotation was computed. [2020-10-15 04:45:17,564 INFO L268 CegarLoopResult]: For program point L188(lines 188 549) no Hoare annotation was computed. [2020-10-15 04:45:17,564 INFO L268 CegarLoopResult]: For program point L155(lines 155 560) no Hoare annotation was computed. [2020-10-15 04:45:17,564 INFO L268 CegarLoopResult]: For program point L122(lines 122 571) no Hoare annotation was computed. [2020-10-15 04:45:17,564 INFO L268 CegarLoopResult]: For program point L89(lines 89 93) no Hoare annotation was computed. [2020-10-15 04:45:17,564 INFO L268 CegarLoopResult]: For program point L89-1(lines 71 609) no Hoare annotation was computed. [2020-10-15 04:45:17,564 INFO L268 CegarLoopResult]: For program point ssl3_acceptEXIT(lines 10 610) no Hoare annotation was computed. [2020-10-15 04:45:17,566 INFO L268 CegarLoopResult]: For program point L519(lines 519 523) no Hoare annotation was computed. [2020-10-15 04:45:17,566 INFO L268 CegarLoopResult]: For program point L519-2(lines 519 523) no Hoare annotation was computed. [2020-10-15 04:45:17,566 INFO L268 CegarLoopResult]: For program point L387(lines 387 405) no Hoare annotation was computed. [2020-10-15 04:45:17,566 INFO L264 CegarLoopResult]: At program point L189(lines 185 550) the Hoare annotation is: (let ((.cse0 (<= 8640 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8656))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0) (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640) (<= ssl3_accept_~blastFlag~0 3)))) [2020-10-15 04:45:17,566 INFO L264 CegarLoopResult]: At program point L156(lines 152 561) the Hoare annotation is: (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8640))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 (= ssl3_accept_~s__hit~0 0) .cse1 (<= ssl3_accept_~blastFlag~0 2)) (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)))) [2020-10-15 04:45:17,566 INFO L264 CegarLoopResult]: At program point L123(lines 122 571) the Hoare annotation is: (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8496))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1) (and .cse0 (= ssl3_accept_~s__hit~0 0) .cse1 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-15 04:45:17,567 INFO L268 CegarLoopResult]: For program point L90(lines 90 92) no Hoare annotation was computed. [2020-10-15 04:45:17,567 INFO L268 CegarLoopResult]: For program point L487(lines 487 490) no Hoare annotation was computed. [2020-10-15 04:45:17,568 INFO L268 CegarLoopResult]: For program point L388(lines 388 394) no Hoare annotation was computed. [2020-10-15 04:45:17,569 INFO L268 CegarLoopResult]: For program point L191(lines 191 548) no Hoare annotation was computed. [2020-10-15 04:45:17,569 INFO L268 CegarLoopResult]: For program point L158(lines 158 559) no Hoare annotation was computed. [2020-10-15 04:45:17,569 INFO L268 CegarLoopResult]: For program point L125(lines 125 570) no Hoare annotation was computed. [2020-10-15 04:45:17,569 INFO L268 CegarLoopResult]: For program point L588(lines 588 592) no Hoare annotation was computed. [2020-10-15 04:45:17,569 INFO L268 CegarLoopResult]: For program point ssl3_acceptFINAL(lines 10 610) no Hoare annotation was computed. [2020-10-15 04:45:17,569 INFO L268 CegarLoopResult]: For program point L456(lines 456 458) no Hoare annotation was computed. [2020-10-15 04:45:17,569 INFO L268 CegarLoopResult]: For program point L258(lines 258 260) no Hoare annotation was computed. [2020-10-15 04:45:17,569 INFO L268 CegarLoopResult]: For program point L225(lines 225 236) no Hoare annotation was computed. [2020-10-15 04:45:17,569 INFO L268 CegarLoopResult]: For program point L225-2(lines 207 541) no Hoare annotation was computed. [2020-10-15 04:45:17,570 INFO L268 CegarLoopResult]: For program point L292(lines 292 296) no Hoare annotation was computed. [2020-10-15 04:45:17,570 INFO L268 CegarLoopResult]: For program point L292-2(lines 292 296) no Hoare annotation was computed. [2020-10-15 04:45:17,570 INFO L268 CegarLoopResult]: For program point L425-1(lines 425 433) no Hoare annotation was computed. [2020-10-15 04:45:17,570 INFO L268 CegarLoopResult]: For program point L227(lines 227 230) no Hoare annotation was computed. [2020-10-15 04:45:17,570 INFO L268 CegarLoopResult]: For program point L194(lines 194 547) no Hoare annotation was computed. [2020-10-15 04:45:17,570 INFO L268 CegarLoopResult]: For program point L161(lines 161 558) no Hoare annotation was computed. [2020-10-15 04:45:17,570 INFO L268 CegarLoopResult]: For program point L128(lines 128 569) no Hoare annotation was computed. [2020-10-15 04:45:17,570 INFO L268 CegarLoopResult]: For program point L492(lines 492 498) no Hoare annotation was computed. [2020-10-15 04:45:17,571 INFO L264 CegarLoopResult]: At program point L195(lines 191 548) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8672) (<= 8640 ssl3_accept_~s__state~0) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-15 04:45:17,571 INFO L264 CegarLoopResult]: At program point L162(lines 158 559) the Hoare annotation is: (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8640))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1) (and .cse0 (= ssl3_accept_~s__hit~0 0) .cse1 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-15 04:45:17,571 INFO L268 CegarLoopResult]: For program point L428(lines 428 431) no Hoare annotation was computed. [2020-10-15 04:45:17,571 INFO L268 CegarLoopResult]: For program point L329(lines 329 367) no Hoare annotation was computed. [2020-10-15 04:45:17,571 INFO L268 CegarLoopResult]: For program point L197(lines 197 546) no Hoare annotation was computed. [2020-10-15 04:45:17,571 INFO L268 CegarLoopResult]: For program point L164(lines 164 557) no Hoare annotation was computed. [2020-10-15 04:45:17,571 INFO L268 CegarLoopResult]: For program point L131(lines 131 568) no Hoare annotation was computed. [2020-10-15 04:45:17,571 INFO L268 CegarLoopResult]: For program point ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION(line 607) no Hoare annotation was computed. [2020-10-15 04:45:17,572 INFO L264 CegarLoopResult]: At program point L98-2(lines 98 597) the Hoare annotation is: (let ((.cse8 (= ssl3_accept_~s__hit~0 0))) (let ((.cse6 (<= 8480 ssl3_accept_~s__state~0)) (.cse11 (<= 8640 ssl3_accept_~s__state~0)) (.cse7 (<= ssl3_accept_~blastFlag~0 1)) (.cse9 (<= ssl3_accept_~s__state~0 8640)) (.cse10 (<= ssl3_accept_~blastFlag~0 2)) (.cse1 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse2 (not .cse8)) (.cse3 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse13 (= ssl3_accept_~s__state~0 3)) (.cse0 (<= 8448 ssl3_accept_~s__state~0)) (.cse4 (<= ssl3_accept_~s__state~0 8448)) (.cse12 (= 3 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse5 (<= ssl3_accept_~blastFlag~0 3))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 (<= ssl3_accept_~s__state~0 8496)) (and .cse6 .cse8 .cse9 .cse10) (and (<= 8464 ssl3_accept_~s__state~0) .cse8 (<= ssl3_accept_~s__state~0 8480) .cse10) (and .cse11 .cse1 .cse2 .cse9 .cse3 .cse5) (<= ssl3_accept_~blastFlag~0 0) (and (<= ssl3_accept_~s__state~0 8672) .cse5 (<= 8672 ssl3_accept_~s__state~0)) (and .cse8 .cse12 .cse5 .cse13) (and (<= ssl3_accept_~s__state~0 8656) .cse11 .cse10) (and .cse8 .cse9 .cse10 .cse3) (and .cse7 .cse9 .cse3) (and .cse10 .cse13) (and .cse1 .cse2 .cse3 .cse5 .cse13) (and .cse0 .cse8 .cse4 .cse12 .cse5)))) [2020-10-15 04:45:17,572 INFO L268 CegarLoopResult]: For program point L495(lines 495 497) no Hoare annotation was computed. [2020-10-15 04:45:17,572 INFO L268 CegarLoopResult]: For program point L495-2(lines 207 541) no Hoare annotation was computed. [2020-10-15 04:45:17,572 INFO L264 CegarLoopResult]: At program point L396(lines 387 405) the Hoare annotation is: (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8640))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1) (and .cse0 (= ssl3_accept_~s__hit~0 0) .cse1 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-15 04:45:17,572 INFO L268 CegarLoopResult]: For program point L231(lines 231 234) no Hoare annotation was computed. [2020-10-15 04:45:17,572 INFO L264 CegarLoopResult]: At program point L165(lines 164 557) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse0 (<= 8448 ssl3_accept_~s__state~0)) (.cse3 (= ssl3_accept_~s__hit~0 0)) (.cse2 (<= ssl3_accept_~s__state~0 8448)) (.cse4 (<= ssl3_accept_~blastFlag~0 3))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1 .cse2) (and .cse0 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0) (not .cse3) .cse1 .cse2 .cse4) (and .cse0 .cse2 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 .cse3 (<= ssl3_accept_~blastFlag~0 2) .cse1 .cse2) (and .cse0 .cse3 .cse2 (= 3 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse4))) [2020-10-15 04:45:17,573 INFO L264 CegarLoopResult]: At program point L132(lines 125 570) the Hoare annotation is: (let ((.cse0 (<= 8464 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8480))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 1) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (and .cse0 (= ssl3_accept_~s__hit~0 0) .cse1 (<= ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)))) [2020-10-15 04:45:17,573 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-15 04:45:17,573 INFO L268 CegarLoopResult]: For program point L529(lines 529 535) no Hoare annotation was computed. [2020-10-15 04:45:17,574 INFO L268 CegarLoopResult]: For program point L529-1(lines 529 535) no Hoare annotation was computed. [2020-10-15 04:45:17,574 INFO L268 CegarLoopResult]: For program point L332(lines 332 366) no Hoare annotation was computed. [2020-10-15 04:45:17,574 INFO L268 CegarLoopResult]: For program point L332-1(lines 332 366) no Hoare annotation was computed. [2020-10-15 04:45:17,574 INFO L268 CegarLoopResult]: For program point L200(lines 200 545) no Hoare annotation was computed. [2020-10-15 04:45:17,574 INFO L268 CegarLoopResult]: For program point L167(lines 167 556) no Hoare annotation was computed. [2020-10-15 04:45:17,574 INFO L268 CegarLoopResult]: For program point L134(lines 134 567) no Hoare annotation was computed. [2020-10-15 04:45:17,574 INFO L268 CegarLoopResult]: For program point L101(lines 101 578) no Hoare annotation was computed. [2020-10-15 04:45:17,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 04:45:17 BoogieIcfgContainer [2020-10-15 04:45:17,630 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 04:45:17,634 INFO L168 Benchmark]: Toolchain (without parser) took 23420.46 ms. Allocated memory was 147.8 MB in the beginning and 745.5 MB in the end (delta: 597.7 MB). Free memory was 103.3 MB in the beginning and 315.6 MB in the end (delta: -212.3 MB). Peak memory consumption was 624.7 MB. Max. memory is 7.1 GB. [2020-10-15 04:45:17,635 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-10-15 04:45:17,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 534.03 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 103.3 MB in the beginning and 180.0 MB in the end (delta: -76.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2020-10-15 04:45:17,636 INFO L168 Benchmark]: Boogie Preprocessor took 65.75 ms. Allocated memory is still 205.0 MB. Free memory was 180.0 MB in the beginning and 177.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-15 04:45:17,638 INFO L168 Benchmark]: RCFGBuilder took 814.11 ms. Allocated memory is still 205.0 MB. Free memory was 177.1 MB in the beginning and 127.6 MB in the end (delta: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. [2020-10-15 04:45:17,639 INFO L168 Benchmark]: TraceAbstraction took 22001.36 ms. Allocated memory was 205.0 MB in the beginning and 745.5 MB in the end (delta: 540.5 MB). Free memory was 126.7 MB in the beginning and 315.6 MB in the end (delta: -188.9 MB). Peak memory consumption was 590.9 MB. Max. memory is 7.1 GB. [2020-10-15 04:45:17,641 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 534.03 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 103.3 MB in the beginning and 180.0 MB in the end (delta: -76.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.75 ms. Allocated memory is still 205.0 MB. Free memory was 180.0 MB in the beginning and 177.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 814.11 ms. Allocated memory is still 205.0 MB. Free memory was 177.1 MB in the beginning and 127.6 MB in the end (delta: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22001.36 ms. Allocated memory was 205.0 MB in the beginning and 745.5 MB in the end (delta: 540.5 MB). Free memory was 126.7 MB in the beginning and 315.6 MB in the end (delta: -188.9 MB). Peak memory consumption was 590.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 607]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: ((8480 <= s__state && blastFlag <= 1) && s__state <= 8640) || (((8480 <= s__state && s__hit == 0) && s__state <= 8640) && blastFlag <= 2) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: ((8480 <= s__state && blastFlag <= 1) && s__state <= 8640) || (((8480 <= s__state && s__hit == 0) && s__state <= 8640) && blastFlag <= 2) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((8480 <= s__state && blastFlag <= 1) && s__state <= 8496) || (((8480 <= s__state && s__hit == 0) && s__state <= 8496) && blastFlag <= 2) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: (s__state <= 8672 && 8640 <= s__state) && blastFlag <= 2 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (((8480 <= s__state && s__state <= 8640) && blastFlag <= 0) || (((8480 <= s__state && s__hit == 0) && s__state <= 8640) && blastFlag <= 2)) || (((8480 <= s__state && blastFlag <= 1) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8640) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: blastFlag <= 0 && 12292 == s__state - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: (((8480 <= s__state && s__state <= 8640) && blastFlag <= 0) || (((8480 <= s__state && s__hit == 0) && s__state <= 8640) && blastFlag <= 2)) || (((8480 <= s__state && blastFlag <= 1) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8640) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: (((blastFlag <= 0 && 8672 <= s__state) || (s__state <= 8448 && blastFlag <= 0)) || (((s__hit == 0 && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8448)) || ((blastFlag <= 1 && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8448) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: blastFlag <= 3 && 8672 <= s__state - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: (((8480 <= s__state && s__state <= 8640) && blastFlag <= 0) || (((8480 <= s__state && s__hit == 0) && s__state <= 8640) && blastFlag <= 2)) || (((8480 <= s__state && blastFlag <= 1) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8640) - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((8480 <= s__state && s__state <= 8640) && blastFlag <= 0) || (((8480 <= s__state && s__hit == 0) && s__state <= 8640) && blastFlag <= 2)) || (((8480 <= s__state && blastFlag <= 1) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8640) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (((8480 <= s__state && s__state <= 8640) && blastFlag <= 0) || (((8480 <= s__state && s__hit == 0) && s__state <= 8640) && blastFlag <= 2)) || (((8480 <= s__state && blastFlag <= 1) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8640) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ((((8464 <= s__state && blastFlag <= 1) && s__state <= 8480) && s__s3__tmp__next_state___0 <= 8640) || (((8464 <= s__state && s__hit == 0) && s__state <= 8480) && blastFlag <= 2)) || ((8464 <= s__state && s__state <= 8480) && blastFlag <= 0) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((((((8448 <= s__state && blastFlag <= 1) && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8448) || (((((8448 <= s__state && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8448) && blastFlag <= 3)) || ((8448 <= s__state && s__state <= 8448) && blastFlag <= 0)) || ((((8448 <= s__state && s__hit == 0) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8448)) || ((((8448 <= s__state && s__hit == 0) && s__state <= 8448) && 3 == s__s3__tmp__next_state___0) && blastFlag <= 3) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: ((8480 <= s__state && blastFlag <= 1) && s__state <= 8496) || (((8480 <= s__state && s__hit == 0) && s__state <= 8496) && blastFlag <= 2) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (((8480 <= s__state && s__state <= 8640) && blastFlag <= 0) || (((8480 <= s__state && s__hit == 0) && s__state <= 8640) && blastFlag <= 2)) || (((8480 <= s__state && blastFlag <= 1) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8640) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((8640 <= s__state && s__state <= 8656) && blastFlag <= 2) || (((((8640 <= s__state && s__state <= 8656) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && s__s3__tmp__next_state___0 <= 8640) && blastFlag <= 3) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: (((((((((((((((((8448 <= s__state && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8448) && blastFlag <= 3) || ((8480 <= s__state && blastFlag <= 1) && s__state <= 8496)) || (((8480 <= s__state && s__hit == 0) && s__state <= 8640) && blastFlag <= 2)) || (((8464 <= s__state && s__hit == 0) && s__state <= 8480) && blastFlag <= 2)) || (((((8640 <= s__state && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8640) && blastFlag <= 3)) || blastFlag <= 0) || ((s__state <= 8672 && blastFlag <= 3) && 8672 <= s__state)) || (((s__hit == 0 && 3 == s__s3__tmp__next_state___0) && blastFlag <= 3) && s__state == 3)) || ((s__state <= 8656 && 8640 <= s__state) && blastFlag <= 2)) || (((s__hit == 0 && s__state <= 8640) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8640)) || ((blastFlag <= 1 && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8640)) || (blastFlag <= 2 && s__state == 3)) || ((((8640 <= s__s3__tmp__next_state___0 && !(s__hit == 0)) && s__s3__tmp__next_state___0 <= 8640) && blastFlag <= 3) && s__state == 3)) || ((((8448 <= s__state && s__hit == 0) && s__state <= 8448) && 3 == s__s3__tmp__next_state___0) && blastFlag <= 3) - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: (((8480 <= s__state && s__state <= 8640) && blastFlag <= 0) || (((8480 <= s__state && s__hit == 0) && s__state <= 8640) && blastFlag <= 2)) || (((8480 <= s__state && blastFlag <= 1) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8640) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: ((8480 <= s__state && blastFlag <= 1) && s__state <= 8640) || (((8480 <= s__state && s__hit == 0) && s__state <= 8640) && blastFlag <= 2) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: (((((((((((((((((8448 <= s__state && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8448) && blastFlag <= 3) || ((8480 <= s__state && blastFlag <= 1) && s__state <= 8496)) || (((8480 <= s__state && s__hit == 0) && s__state <= 8640) && blastFlag <= 2)) || (((8464 <= s__state && s__hit == 0) && s__state <= 8480) && blastFlag <= 2)) || (((((8640 <= s__state && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8640) && blastFlag <= 3)) || blastFlag <= 0) || ((s__state <= 8672 && blastFlag <= 3) && 8672 <= s__state)) || (((s__hit == 0 && 3 == s__s3__tmp__next_state___0) && blastFlag <= 3) && s__state == 3)) || ((s__state <= 8656 && 8640 <= s__state) && blastFlag <= 2)) || (((s__hit == 0 && s__state <= 8640) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8640)) || ((blastFlag <= 1 && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8640)) || (blastFlag <= 2 && s__state == 3)) || ((((8640 <= s__s3__tmp__next_state___0 && !(s__hit == 0)) && s__s3__tmp__next_state___0 <= 8640) && blastFlag <= 3) && s__state == 3)) || ((((8448 <= s__state && s__hit == 0) && s__state <= 8448) && 3 == s__s3__tmp__next_state___0) && blastFlag <= 3) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((8480 <= s__state && s__state <= 8640) && blastFlag <= 0) || (((8480 <= s__state && s__hit == 0) && s__state <= 8640) && blastFlag <= 2)) || (((8480 <= s__state && blastFlag <= 1) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8640) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 149 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.6s, OverallIterations: 19, TraceHistogramMax: 9, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4607 SDtfs, 2036 SDslu, 2837 SDs, 0 SdLazy, 1958 SolverSat, 531 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7277occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 19 MinimizatonAttempts, 1523 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 406 NumberOfFragments, 984 HoareAnnotationTreeSize, 32 FomulaSimplifications, 14054 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 32 FomulaSimplificationsInter, 4084 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 3702 NumberOfCodeBlocks, 3702 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3683 ConstructedInterpolants, 0 QuantifiedInterpolants, 1191509 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 16 PerfectInterpolantSequences, 6755/6823 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...