/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=BIGGEST --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_2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 21:00:08,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 21:00:08,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 21:00:08,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 21:00:08,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 21:00:08,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 21:00:08,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 21:00:08,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 21:00:08,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 21:00:08,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 21:00:08,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 21:00:08,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 21:00:08,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 21:00:08,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 21:00:08,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 21:00:08,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 21:00:08,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 21:00:08,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 21:00:08,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 21:00:08,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 21:00:08,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 21:00:08,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 21:00:08,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 21:00:08,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 21:00:08,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 21:00:08,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 21:00:08,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 21:00:08,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 21:00:08,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 21:00:08,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 21:00:08,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 21:00:08,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 21:00:08,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 21:00:08,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 21:00:08,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 21:00:08,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 21:00:08,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 21:00:08,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 21:00:08,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 21:00:08,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 21:00:08,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 21:00:08,994 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 [2020-10-12 21:00:09,035 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 21:00:09,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 21:00:09,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 21:00:09,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 21:00:09,038 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 21:00:09,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 21:00:09,038 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 21:00:09,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 21:00:09,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 21:00:09,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 21:00:09,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 21:00:09,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 21:00:09,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 21:00:09,041 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 21:00:09,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 21:00:09,041 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 21:00:09,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 21:00:09,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 21:00:09,041 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 21:00:09,042 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 21:00:09,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 21:00:09,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:00:09,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 21:00:09,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 21:00:09,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 21:00:09,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 21:00:09,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 21:00:09,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 21:00:09,044 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 21:00:09,044 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 21:00:09,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 21:00:09,371 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 21:00:09,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 21:00:09,377 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 21:00:09,378 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 21:00:09,378 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_2.cil-1.c [2020-10-12 21:00:09,460 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/90627c61e/f8c77dc6d99b465c981b51bbfe4228f3/FLAG2a77be260 [2020-10-12 21:00:09,913 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 21:00:09,913 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_srvr_2.cil-1.c [2020-10-12 21:00:09,925 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/90627c61e/f8c77dc6d99b465c981b51bbfe4228f3/FLAG2a77be260 [2020-10-12 21:00:10,265 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/90627c61e/f8c77dc6d99b465c981b51bbfe4228f3 [2020-10-12 21:00:10,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 21:00:10,275 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 21:00:10,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 21:00:10,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 21:00:10,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 21:00:10,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:00:10" (1/1) ... [2020-10-12 21:00:10,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eaf4925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:10, skipping insertion in model container [2020-10-12 21:00:10,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:00:10" (1/1) ... [2020-10-12 21:00:10,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 21:00:10,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 21:00:10,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:00:10,611 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 21:00:10,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:00:10,804 INFO L208 MainTranslator]: Completed translation [2020-10-12 21:00:10,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:10 WrapperNode [2020-10-12 21:00:10,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 21:00:10,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 21:00:10,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 21:00:10,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 21:00:10,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:10" (1/1) ... [2020-10-12 21:00:10,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:10" (1/1) ... [2020-10-12 21:00:10,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:10" (1/1) ... [2020-10-12 21:00:10,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:10" (1/1) ... [2020-10-12 21:00:10,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:10" (1/1) ... [2020-10-12 21:00:10,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:10" (1/1) ... [2020-10-12 21:00:10,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:10" (1/1) ... [2020-10-12 21:00:10,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 21:00:10,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 21:00:10,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 21:00:10,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 21:00:10,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:10" (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 [2020-10-12 21:00:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 21:00:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 21:00:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-10-12 21:00:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 21:00:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 21:00:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-12 21:00:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 21:00:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-12 21:00:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-10-12 21:00:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 21:00:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 21:00:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 21:00:11,129 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 21:00:11,608 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-10-12 21:00:11,609 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-10-12 21:00:11,627 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 21:00:11,628 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 21:00:11,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:00:11 BoogieIcfgContainer [2020-10-12 21:00:11,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 21:00:11,641 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 21:00:11,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 21:00:11,645 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 21:00:11,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 09:00:10" (1/3) ... [2020-10-12 21:00:11,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a30cbc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:00:11, skipping insertion in model container [2020-10-12 21:00:11,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:10" (2/3) ... [2020-10-12 21:00:11,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a30cbc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:00:11, skipping insertion in model container [2020-10-12 21:00:11,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:00:11" (3/3) ... [2020-10-12 21:00:11,653 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_2.cil-1.c [2020-10-12 21:00:11,665 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 21:00:11,678 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 21:00:11,692 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 21:00:11,718 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 21:00:11,719 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 21:00:11,719 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 21:00:11,720 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 21:00:11,720 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 21:00:11,720 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 21:00:11,720 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 21:00:11,720 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 21:00:11,741 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2020-10-12 21:00:11,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-12 21:00:11,751 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:11,752 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] [2020-10-12 21:00:11,753 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:11,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:11,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1127072202, now seen corresponding path program 1 times [2020-10-12 21:00:11,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:11,769 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [734336244] [2020-10-12 21:00:11,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:11,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:12,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:12,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:12,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:12,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:00:12,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:00:12,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 516 [2020-10-12 21:00:12,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:12,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:00:12,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 21:00:12,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 21:00:12,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 21:00:12,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:12,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:12,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:12,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:12,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:12,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:12,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:12,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:12,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:12,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:12,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:12,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:00:12,599 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [734336244] [2020-10-12 21:00:12,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:12,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 21:00:12,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131421193] [2020-10-12 21:00:12,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 21:00:12,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:12,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 21:00:12,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 21:00:12,632 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 5 states. [2020-10-12 21:00:13,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:13,028 INFO L93 Difference]: Finished difference Result 337 states and 574 transitions. [2020-10-12 21:00:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 21:00:13,031 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2020-10-12 21:00:13,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:13,045 INFO L225 Difference]: With dead ends: 337 [2020-10-12 21:00:13,046 INFO L226 Difference]: Without dead ends: 180 [2020-10-12 21:00:13,051 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 21:00:13,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-10-12 21:00:13,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 175. [2020-10-12 21:00:13,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-10-12 21:00:13,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 280 transitions. [2020-10-12 21:00:13,113 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 280 transitions. Word has length 49 [2020-10-12 21:00:13,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:13,114 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 280 transitions. [2020-10-12 21:00:13,114 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 21:00:13,115 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 280 transitions. [2020-10-12 21:00:13,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-12 21:00:13,120 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:13,120 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:13,121 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 21:00:13,121 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:13,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:13,122 INFO L82 PathProgramCache]: Analyzing trace with hash 572375021, now seen corresponding path program 1 times [2020-10-12 21:00:13,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:13,122 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [501662315] [2020-10-12 21:00:13,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:13,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:13,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:13,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:13,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:13,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 21:00:13,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:00:13,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 398 [2020-10-12 21:00:13,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:13,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:00:13,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 21:00:13,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 21:00:13,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:13,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:13,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:13,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:13,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:13,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:13,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:13,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:13,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:13,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:13,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:13,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:13,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:00:13,620 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [501662315] [2020-10-12 21:00:13,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:13,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 21:00:13,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122222638] [2020-10-12 21:00:13,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 21:00:13,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:13,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 21:00:13,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 21:00:13,633 INFO L87 Difference]: Start difference. First operand 175 states and 280 transitions. Second operand 5 states. [2020-10-12 21:00:13,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:13,972 INFO L93 Difference]: Finished difference Result 385 states and 629 transitions. [2020-10-12 21:00:13,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 21:00:13,973 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-10-12 21:00:13,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:13,977 INFO L225 Difference]: With dead ends: 385 [2020-10-12 21:00:13,977 INFO L226 Difference]: Without dead ends: 221 [2020-10-12 21:00:13,982 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 21:00:13,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-10-12 21:00:14,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 216. [2020-10-12 21:00:14,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-10-12 21:00:14,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 357 transitions. [2020-10-12 21:00:14,023 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 357 transitions. Word has length 50 [2020-10-12 21:00:14,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:14,024 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 357 transitions. [2020-10-12 21:00:14,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 21:00:14,024 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 357 transitions. [2020-10-12 21:00:14,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-10-12 21:00:14,027 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:14,027 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2020-10-12 21:00:14,028 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 21:00:14,028 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:14,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:14,028 INFO L82 PathProgramCache]: Analyzing trace with hash -2018770907, now seen corresponding path program 1 times [2020-10-12 21:00:14,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:14,029 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [138136110] [2020-10-12 21:00:14,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:14,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:14,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:14,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:14,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:14,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 21:00:14,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:00:14,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-10-12 21:00:14,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:14,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:00:14,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 21:00:14,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 21:00:14,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:14,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:14,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:14,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:14,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:14,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:14,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:14,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:14,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:14,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:14,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:14,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:14,357 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:00:14,357 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [138136110] [2020-10-12 21:00:14,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:14,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 21:00:14,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687493470] [2020-10-12 21:00:14,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 21:00:14,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:14,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 21:00:14,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 21:00:14,359 INFO L87 Difference]: Start difference. First operand 216 states and 357 transitions. Second operand 5 states. [2020-10-12 21:00:14,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:14,596 INFO L93 Difference]: Finished difference Result 450 states and 755 transitions. [2020-10-12 21:00:14,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 21:00:14,597 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2020-10-12 21:00:14,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:14,600 INFO L225 Difference]: With dead ends: 450 [2020-10-12 21:00:14,600 INFO L226 Difference]: Without dead ends: 247 [2020-10-12 21:00:14,601 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 21:00:14,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-10-12 21:00:14,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2020-10-12 21:00:14,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-10-12 21:00:14,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 413 transitions. [2020-10-12 21:00:14,617 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 413 transitions. Word has length 77 [2020-10-12 21:00:14,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:14,617 INFO L479 AbstractCegarLoop]: Abstraction has 247 states and 413 transitions. [2020-10-12 21:00:14,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 21:00:14,618 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 413 transitions. [2020-10-12 21:00:14,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-12 21:00:14,621 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:14,621 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 21:00:14,621 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 21:00:14,622 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:14,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:14,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1670289669, now seen corresponding path program 1 times [2020-10-12 21:00:14,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:14,623 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1610305853] [2020-10-12 21:00:14,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:14,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:14,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:14,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:14,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:14,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:14,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-12 21:00:14,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:00:14,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 336 [2020-10-12 21:00:14,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:14,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:00:14,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 21:00:14,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:00:14,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:15,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:15,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:15,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:15,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:15,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:15,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:15,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:15,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:15,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:15,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:15,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:15,021 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-12 21:00:15,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1610305853] [2020-10-12 21:00:15,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:15,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 21:00:15,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422871230] [2020-10-12 21:00:15,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 21:00:15,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:15,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 21:00:15,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 21:00:15,023 INFO L87 Difference]: Start difference. First operand 247 states and 413 transitions. Second operand 5 states. [2020-10-12 21:00:15,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:15,191 INFO L93 Difference]: Finished difference Result 502 states and 845 transitions. [2020-10-12 21:00:15,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 21:00:15,192 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2020-10-12 21:00:15,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:15,194 INFO L225 Difference]: With dead ends: 502 [2020-10-12 21:00:15,194 INFO L226 Difference]: Without dead ends: 268 [2020-10-12 21:00:15,195 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 21:00:15,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-10-12 21:00:15,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 265. [2020-10-12 21:00:15,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-10-12 21:00:15,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 436 transitions. [2020-10-12 21:00:15,209 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 436 transitions. Word has length 89 [2020-10-12 21:00:15,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:15,210 INFO L479 AbstractCegarLoop]: Abstraction has 265 states and 436 transitions. [2020-10-12 21:00:15,210 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 21:00:15,210 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 436 transitions. [2020-10-12 21:00:15,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-12 21:00:15,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:15,212 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:15,212 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 21:00:15,213 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:15,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:15,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1907824986, now seen corresponding path program 1 times [2020-10-12 21:00:15,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:15,214 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1413932885] [2020-10-12 21:00:15,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:15,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:15,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:15,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:15,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:15,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:15,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-12 21:00:15,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:00:15,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 340 [2020-10-12 21:00:15,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:15,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 21:00:15,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-12 21:00:15,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 21:00:15,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:15,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:15,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:15,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:15,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:15,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:15,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:15,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:15,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:15,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:15,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:15,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:15,652 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 56 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-12 21:00:15,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1413932885] [2020-10-12 21:00:15,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:00:15,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-12 21:00:15,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774734640] [2020-10-12 21:00:15,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 21:00:15,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:15,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 21:00:15,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 21:00:15,655 INFO L87 Difference]: Start difference. First operand 265 states and 436 transitions. Second operand 4 states. [2020-10-12 21:00:15,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:15,935 INFO L93 Difference]: Finished difference Result 742 states and 1222 transitions. [2020-10-12 21:00:15,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 21:00:15,935 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 105 [2020-10-12 21:00:15,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:15,938 INFO L225 Difference]: With dead ends: 742 [2020-10-12 21:00:15,939 INFO L226 Difference]: Without dead ends: 490 [2020-10-12 21:00:15,939 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 [2020-10-12 21:00:15,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2020-10-12 21:00:15,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 316. [2020-10-12 21:00:15,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-10-12 21:00:15,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 520 transitions. [2020-10-12 21:00:15,954 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 520 transitions. Word has length 105 [2020-10-12 21:00:15,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:15,955 INFO L479 AbstractCegarLoop]: Abstraction has 316 states and 520 transitions. [2020-10-12 21:00:15,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 21:00:15,955 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 520 transitions. [2020-10-12 21:00:15,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-12 21:00:15,956 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:15,957 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2020-10-12 21:00:15,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 21:00:15,957 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:15,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:15,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1005591291, now seen corresponding path program 1 times [2020-10-12 21:00:15,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:15,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1612540279] [2020-10-12 21:00:15,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:15,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:16,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:16,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:16,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:16,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:16,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-12 21:00:16,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:00:16,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-10-12 21:00:16,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:16,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:16,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 21:00:16,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 21:00:16,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:16,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:16,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:16,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:16,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:16,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:16,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:00:16,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:16,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:16,237 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:00:16,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1612540279] [2020-10-12 21:00:16,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:16,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:16,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313038295] [2020-10-12 21:00:16,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:16,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:16,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:16,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:16,239 INFO L87 Difference]: Start difference. First operand 316 states and 520 transitions. Second operand 3 states. [2020-10-12 21:00:16,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:16,282 INFO L93 Difference]: Finished difference Result 920 states and 1525 transitions. [2020-10-12 21:00:16,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:16,283 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-10-12 21:00:16,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:16,287 INFO L225 Difference]: With dead ends: 920 [2020-10-12 21:00:16,287 INFO L226 Difference]: Without dead ends: 617 [2020-10-12 21:00:16,288 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 [2020-10-12 21:00:16,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2020-10-12 21:00:16,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 617. [2020-10-12 21:00:16,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2020-10-12 21:00:16,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 1019 transitions. [2020-10-12 21:00:16,311 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 1019 transitions. Word has length 105 [2020-10-12 21:00:16,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:16,311 INFO L479 AbstractCegarLoop]: Abstraction has 617 states and 1019 transitions. [2020-10-12 21:00:16,311 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:16,312 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 1019 transitions. [2020-10-12 21:00:16,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-12 21:00:16,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:16,314 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] [2020-10-12 21:00:16,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 21:00:16,314 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:16,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:16,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1681254182, now seen corresponding path program 1 times [2020-10-12 21:00:16,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:16,315 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1884364147] [2020-10-12 21:00:16,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:16,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:16,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:16,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:16,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-12 21:00:16,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:16,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-12 21:00:16,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:16,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:16,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-12 21:00:16,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 21:00:16,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:16,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:16,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:16,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:16,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:16,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:16,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:16,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:16,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:16,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:16,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:16,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:16,502 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-12 21:00:16,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1884364147] [2020-10-12 21:00:16,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:16,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:16,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639519224] [2020-10-12 21:00:16,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:16,504 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:16,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:16,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:16,505 INFO L87 Difference]: Start difference. First operand 617 states and 1019 transitions. Second operand 3 states. [2020-10-12 21:00:16,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:16,562 INFO L93 Difference]: Finished difference Result 920 states and 1522 transitions. [2020-10-12 21:00:16,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:16,563 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-10-12 21:00:16,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:16,568 INFO L225 Difference]: With dead ends: 920 [2020-10-12 21:00:16,569 INFO L226 Difference]: Without dead ends: 918 [2020-10-12 21:00:16,569 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 [2020-10-12 21:00:16,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2020-10-12 21:00:16,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 918. [2020-10-12 21:00:16,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2020-10-12 21:00:16,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1520 transitions. [2020-10-12 21:00:16,604 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1520 transitions. Word has length 126 [2020-10-12 21:00:16,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:16,605 INFO L479 AbstractCegarLoop]: Abstraction has 918 states and 1520 transitions. [2020-10-12 21:00:16,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:16,605 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1520 transitions. [2020-10-12 21:00:16,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-12 21:00:16,608 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:16,608 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 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] [2020-10-12 21:00:16,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 21:00:16,608 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:16,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:16,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1528482989, now seen corresponding path program 1 times [2020-10-12 21:00:16,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:16,609 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1924216838] [2020-10-12 21:00:16,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:16,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:16,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:16,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:16,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-12 21:00:16,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:00:16,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-10-12 21:00:16,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:16,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:16,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 21:00:16,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:00:16,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:16,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:16,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:16,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:16,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:16,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:16,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:16,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:16,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:16,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:16,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:16,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:16,857 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-12 21:00:16,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1924216838] [2020-10-12 21:00:16,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:16,858 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:16,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839028694] [2020-10-12 21:00:16,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:16,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:16,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:16,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:16,859 INFO L87 Difference]: Start difference. First operand 918 states and 1520 transitions. Second operand 3 states. [2020-10-12 21:00:17,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:17,113 INFO L93 Difference]: Finished difference Result 1982 states and 3296 transitions. [2020-10-12 21:00:17,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:17,114 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-10-12 21:00:17,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:17,120 INFO L225 Difference]: With dead ends: 1982 [2020-10-12 21:00:17,120 INFO L226 Difference]: Without dead ends: 1077 [2020-10-12 21:00:17,123 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 [2020-10-12 21:00:17,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2020-10-12 21:00:17,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1041. [2020-10-12 21:00:17,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1041 states. [2020-10-12 21:00:17,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1589 transitions. [2020-10-12 21:00:17,162 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1589 transitions. Word has length 148 [2020-10-12 21:00:17,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:17,163 INFO L479 AbstractCegarLoop]: Abstraction has 1041 states and 1589 transitions. [2020-10-12 21:00:17,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:17,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1589 transitions. [2020-10-12 21:00:17,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-12 21:00:17,167 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:17,167 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 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] [2020-10-12 21:00:17,167 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 21:00:17,168 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:17,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:17,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1377190293, now seen corresponding path program 1 times [2020-10-12 21:00:17,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:17,169 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [609119235] [2020-10-12 21:00:17,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:17,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:17,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:17,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:17,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:17,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-12 21:00:17,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:00:17,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 284 [2020-10-12 21:00:17,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:17,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:17,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-12 21:00:17,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:00:17,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:17,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:17,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:17,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:17,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:17,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:17,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:17,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:17,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:17,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:17,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:17,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:17,526 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-12 21:00:17,526 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [609119235] [2020-10-12 21:00:17,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:17,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:17,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420966099] [2020-10-12 21:00:17,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:17,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:17,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:17,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:17,529 INFO L87 Difference]: Start difference. First operand 1041 states and 1589 transitions. Second operand 3 states. [2020-10-12 21:00:17,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:17,604 INFO L93 Difference]: Finished difference Result 2411 states and 3685 transitions. [2020-10-12 21:00:17,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:17,605 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-10-12 21:00:17,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:17,612 INFO L225 Difference]: With dead ends: 2411 [2020-10-12 21:00:17,613 INFO L226 Difference]: Without dead ends: 1383 [2020-10-12 21:00:17,615 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 [2020-10-12 21:00:17,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2020-10-12 21:00:17,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1383. [2020-10-12 21:00:17,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1383 states. [2020-10-12 21:00:17,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1383 states and 2112 transitions. [2020-10-12 21:00:17,678 INFO L78 Accepts]: Start accepts. Automaton has 1383 states and 2112 transitions. Word has length 148 [2020-10-12 21:00:17,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:17,679 INFO L479 AbstractCegarLoop]: Abstraction has 1383 states and 2112 transitions. [2020-10-12 21:00:17,679 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:17,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 2112 transitions. [2020-10-12 21:00:17,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-12 21:00:17,685 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:17,685 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:17,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 21:00:17,686 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:17,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:17,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1042805422, now seen corresponding path program 1 times [2020-10-12 21:00:17,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:17,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [988968882] [2020-10-12 21:00:17,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:17,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:17,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:17,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:17,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:17,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:18,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:18,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-12 21:00:18,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:00:18,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 704 [2020-10-12 21:00:18,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:18,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:18,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-12 21:00:18,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:00:18,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:18,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:18,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:18,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:18,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:18,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:18,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:00:18,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:18,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:18,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:18,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:18,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:18,531 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2020-10-12 21:00:18,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [988968882] [2020-10-12 21:00:18,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:18,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:18,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850010822] [2020-10-12 21:00:18,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:18,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:18,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:18,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:18,534 INFO L87 Difference]: Start difference. First operand 1383 states and 2112 transitions. Second operand 3 states. [2020-10-12 21:00:18,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:18,580 INFO L93 Difference]: Finished difference Result 2668 states and 4094 transitions. [2020-10-12 21:00:18,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:18,581 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 201 [2020-10-12 21:00:18,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:18,587 INFO L225 Difference]: With dead ends: 2668 [2020-10-12 21:00:18,587 INFO L226 Difference]: Without dead ends: 1278 [2020-10-12 21:00:18,590 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 [2020-10-12 21:00:18,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2020-10-12 21:00:18,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 1278. [2020-10-12 21:00:18,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1278 states. [2020-10-12 21:00:18,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1278 states and 1871 transitions. [2020-10-12 21:00:18,639 INFO L78 Accepts]: Start accepts. Automaton has 1278 states and 1871 transitions. Word has length 201 [2020-10-12 21:00:18,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:18,639 INFO L479 AbstractCegarLoop]: Abstraction has 1278 states and 1871 transitions. [2020-10-12 21:00:18,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:18,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1871 transitions. [2020-10-12 21:00:18,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-12 21:00:18,648 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:18,649 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:18,649 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 21:00:18,649 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:18,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:18,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1443233000, now seen corresponding path program 1 times [2020-10-12 21:00:18,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:18,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2046403732] [2020-10-12 21:00:18,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:18,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:18,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:18,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-12 21:00:18,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:18,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-10-12 21:00:18,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:18,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:18,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 133 [2020-10-12 21:00:18,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 21:00:18,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:18,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:18,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:18,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:18,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:18,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:18,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:18,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:18,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:18,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:18,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:18,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:19,032 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-10-12 21:00:19,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2046403732] [2020-10-12 21:00:19,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:19,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:19,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261446994] [2020-10-12 21:00:19,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:19,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:19,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:19,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:19,037 INFO L87 Difference]: Start difference. First operand 1278 states and 1871 transitions. Second operand 3 states. [2020-10-12 21:00:19,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:19,341 INFO L93 Difference]: Finished difference Result 2696 states and 3998 transitions. [2020-10-12 21:00:19,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:19,341 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2020-10-12 21:00:19,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:19,347 INFO L225 Difference]: With dead ends: 2696 [2020-10-12 21:00:19,347 INFO L226 Difference]: Without dead ends: 1058 [2020-10-12 21:00:19,352 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 [2020-10-12 21:00:19,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2020-10-12 21:00:19,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 1058. [2020-10-12 21:00:19,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-10-12 21:00:19,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1443 transitions. [2020-10-12 21:00:19,398 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1443 transitions. Word has length 230 [2020-10-12 21:00:19,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:19,398 INFO L479 AbstractCegarLoop]: Abstraction has 1058 states and 1443 transitions. [2020-10-12 21:00:19,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:19,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1443 transitions. [2020-10-12 21:00:19,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-12 21:00:19,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:19,406 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] [2020-10-12 21:00:19,406 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 21:00:19,406 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:19,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:19,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1797967949, now seen corresponding path program 1 times [2020-10-12 21:00:19,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:19,407 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [152558170] [2020-10-12 21:00:19,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:19,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:19,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:19,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-12 21:00:19,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:19,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-12 21:00:19,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:19,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 21:00:19,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-10-12 21:00:19,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 21:00:19,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:19,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:19,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:19,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:19,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:19,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:19,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:00:19,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:19,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:19,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:19,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:19,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:19,709 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-10-12 21:00:19,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [152558170] [2020-10-12 21:00:19,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:00:19,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-12 21:00:19,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923789100] [2020-10-12 21:00:19,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 21:00:19,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:19,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 21:00:19,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 21:00:19,712 INFO L87 Difference]: Start difference. First operand 1058 states and 1443 transitions. Second operand 4 states. [2020-10-12 21:00:20,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:20,177 INFO L93 Difference]: Finished difference Result 2954 states and 4031 transitions. [2020-10-12 21:00:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 21:00:20,178 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 258 [2020-10-12 21:00:20,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:20,191 INFO L225 Difference]: With dead ends: 2954 [2020-10-12 21:00:20,191 INFO L226 Difference]: Without dead ends: 1920 [2020-10-12 21:00:20,195 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 [2020-10-12 21:00:20,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1920 states. [2020-10-12 21:00:20,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1920 to 1494. [2020-10-12 21:00:20,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1494 states. [2020-10-12 21:00:20,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 1943 transitions. [2020-10-12 21:00:20,289 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 1943 transitions. Word has length 258 [2020-10-12 21:00:20,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:20,290 INFO L479 AbstractCegarLoop]: Abstraction has 1494 states and 1943 transitions. [2020-10-12 21:00:20,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 21:00:20,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1943 transitions. [2020-10-12 21:00:20,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-12 21:00:20,301 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:20,302 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] [2020-10-12 21:00:20,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 21:00:20,302 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:20,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:20,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1509148559, now seen corresponding path program 1 times [2020-10-12 21:00:20,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:20,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [678493908] [2020-10-12 21:00:20,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:20,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:20,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:20,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:20,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:20,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-12 21:00:20,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:00:20,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 598 [2020-10-12 21:00:20,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:20,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 21:00:20,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-10-12 21:00:20,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 21:00:20,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:21,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:21,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:21,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:21,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:21,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:21,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:21,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:21,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:21,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:21,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:21,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:21,140 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-10-12 21:00:21,140 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [678493908] [2020-10-12 21:00:21,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:00:21,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-12 21:00:21,141 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878624695] [2020-10-12 21:00:21,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 21:00:21,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:21,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 21:00:21,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 21:00:21,144 INFO L87 Difference]: Start difference. First operand 1494 states and 1943 transitions. Second operand 4 states. [2020-10-12 21:00:21,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:21,503 INFO L93 Difference]: Finished difference Result 2634 states and 3443 transitions. [2020-10-12 21:00:21,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-12 21:00:21,503 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 258 [2020-10-12 21:00:21,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:21,504 INFO L225 Difference]: With dead ends: 2634 [2020-10-12 21:00:21,504 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 21:00:21,515 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 [2020-10-12 21:00:21,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 21:00:21,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 21:00:21,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 21:00:21,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 21:00:21,516 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 258 [2020-10-12 21:00:21,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:21,517 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 21:00:21,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 21:00:21,517 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 21:00:21,517 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 21:00:21,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 21:00:21,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 21:00:22,423 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 24 [2020-10-12 21:00:22,717 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-10-12 21:00:22,932 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-10-12 21:00:22,973 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-12 21:00:22,973 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 21:00:22,973 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 21:00:22,974 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-12 21:00:22,974 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 21:00:22,974 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 21:00:22,974 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 611 622) the Hoare annotation is: true [2020-10-12 21:00:22,974 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 611 622) no Hoare annotation was computed. [2020-10-12 21:00:22,975 INFO L264 CegarLoopResult]: At program point L618(line 618) the Hoare annotation is: (= 8464 main_~s~0) [2020-10-12 21:00:22,975 INFO L268 CegarLoopResult]: For program point L618-1(line 618) no Hoare annotation was computed. [2020-10-12 21:00:22,975 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 611 622) no Hoare annotation was computed. [2020-10-12 21:00:22,975 INFO L268 CegarLoopResult]: For program point L432(lines 432 435) no Hoare annotation was computed. [2020-10-12 21:00:22,975 INFO L268 CegarLoopResult]: For program point L333(lines 333 371) no Hoare annotation was computed. [2020-10-12 21:00:22,975 INFO L264 CegarLoopResult]: At program point L201(lines 197 546) the Hoare annotation is: (or (not (= 8464 |ssl3_accept_#in~initial_state|)) (and (<= 8656 ssl3_accept_~s__state~0) (<= ssl3_accept_~blastFlag~0 3))) [2020-10-12 21:00:22,976 INFO L264 CegarLoopResult]: At program point L102(lines 101 578) the Hoare annotation is: (or (not (= 8464 |ssl3_accept_#in~initial_state|)) (and (<= 8656 ssl3_accept_~s__state~0) (not (= ssl3_accept_~s__state~0 8673)) (not (= ssl3_accept_~s__state~0 8672)))) [2020-10-12 21:00:22,976 INFO L271 CegarLoopResult]: At program point L598(lines 97 599) the Hoare annotation is: true [2020-10-12 21:00:22,976 INFO L268 CegarLoopResult]: For program point L532(lines 532 534) no Hoare annotation was computed. [2020-10-12 21:00:22,976 INFO L264 CegarLoopResult]: At program point L400(lines 391 409) the Hoare annotation is: (or (and (<= ssl3_accept_~blastFlag~0 2) (not (= ssl3_accept_~s__state~0 8673)) (not (= ssl3_accept_~s__state~0 8672)) (not (= 8448 ssl3_accept_~s__state~0))) (not (= 8464 |ssl3_accept_#in~initial_state|))) [2020-10-12 21:00:22,976 INFO L268 CegarLoopResult]: For program point L203(lines 203 544) no Hoare annotation was computed. [2020-10-12 21:00:22,977 INFO L268 CegarLoopResult]: For program point L170(lines 170 555) no Hoare annotation was computed. [2020-10-12 21:00:22,977 INFO L268 CegarLoopResult]: For program point L137(lines 137 566) no Hoare annotation was computed. [2020-10-12 21:00:22,977 INFO L268 CegarLoopResult]: For program point L104(lines 104 577) no Hoare annotation was computed. [2020-10-12 21:00:22,977 INFO L268 CegarLoopResult]: For program point L336(lines 336 370) no Hoare annotation was computed. [2020-10-12 21:00:22,977 INFO L268 CegarLoopResult]: For program point L336-1(lines 336 370) no Hoare annotation was computed. [2020-10-12 21:00:22,977 INFO L264 CegarLoopResult]: At program point L204(lines 203 544) the Hoare annotation is: (or (not (= 8464 |ssl3_accept_#in~initial_state|)) (not (= ssl3_accept_~s__state~0 8672))) [2020-10-12 21:00:22,978 INFO L264 CegarLoopResult]: At program point L171(lines 167 556) the Hoare annotation is: (or (and (<= ssl3_accept_~blastFlag~0 2) (not (= ssl3_accept_~s__state~0 8673)) (not (= ssl3_accept_~s__state~0 8672)) (not (= 8448 ssl3_accept_~s__state~0))) (not (= 8464 |ssl3_accept_#in~initial_state|))) [2020-10-12 21:00:22,978 INFO L264 CegarLoopResult]: At program point L138(lines 134 567) the Hoare annotation is: (or (and (<= ssl3_accept_~blastFlag~0 2) (not (= ssl3_accept_~s__state~0 8673)) (not (= ssl3_accept_~s__state~0 8672)) (not (= 8448 ssl3_accept_~s__state~0))) (not (= 8464 |ssl3_accept_#in~initial_state|))) [2020-10-12 21:00:22,978 INFO L268 CegarLoopResult]: For program point L469(lines 469 471) no Hoare annotation was computed. [2020-10-12 21:00:22,978 INFO L268 CegarLoopResult]: For program point L403(lines 403 405) no Hoare annotation was computed. [2020-10-12 21:00:22,978 INFO L268 CegarLoopResult]: For program point L337(lines 337 367) no Hoare annotation was computed. [2020-10-12 21:00:22,978 INFO L264 CegarLoopResult]: At program point L206(lines 205 544) the Hoare annotation is: (or (not (= 8464 |ssl3_accept_#in~initial_state|)) (not (= ssl3_accept_~s__state~0 8672))) [2020-10-12 21:00:22,979 INFO L268 CegarLoopResult]: For program point L173(lines 173 554) no Hoare annotation was computed. [2020-10-12 21:00:22,979 INFO L268 CegarLoopResult]: For program point L140(lines 140 565) no Hoare annotation was computed. [2020-10-12 21:00:22,979 INFO L268 CegarLoopResult]: For program point L107(lines 107 576) no Hoare annotation was computed. [2020-10-12 21:00:22,979 INFO L268 CegarLoopResult]: For program point L603(lines 603 605) no Hoare annotation was computed. [2020-10-12 21:00:22,979 INFO L268 CegarLoopResult]: For program point L603-2(lines 603 605) no Hoare annotation was computed. [2020-10-12 21:00:22,979 INFO L268 CegarLoopResult]: For program point L504(lines 504 507) no Hoare annotation was computed. [2020-10-12 21:00:22,979 INFO L268 CegarLoopResult]: For program point L273(lines 273 275) no Hoare annotation was computed. [2020-10-12 21:00:22,980 INFO L268 CegarLoopResult]: For program point L273-2(lines 207 541) no Hoare annotation was computed. [2020-10-12 21:00:22,980 INFO L268 CegarLoopResult]: For program point L307(lines 307 314) no Hoare annotation was computed. [2020-10-12 21:00:22,980 INFO L268 CegarLoopResult]: For program point L307-2(lines 307 314) no Hoare annotation was computed. [2020-10-12 21:00:22,980 INFO L271 CegarLoopResult]: At program point ssl3_acceptENTRY(lines 10 610) the Hoare annotation is: true [2020-10-12 21:00:22,980 INFO L268 CegarLoopResult]: For program point L242(lines 242 252) no Hoare annotation was computed. [2020-10-12 21:00:22,980 INFO L268 CegarLoopResult]: For program point L176(lines 176 553) no Hoare annotation was computed. [2020-10-12 21:00:22,980 INFO L268 CegarLoopResult]: For program point L143(lines 143 564) no Hoare annotation was computed. [2020-10-12 21:00:22,981 INFO L268 CegarLoopResult]: For program point L110(lines 110 575) no Hoare annotation was computed. [2020-10-12 21:00:22,981 INFO L268 CegarLoopResult]: For program point L342(lines 342 365) no Hoare annotation was computed. [2020-10-12 21:00:22,981 INFO L268 CegarLoopResult]: For program point L243(lines 243 246) no Hoare annotation was computed. [2020-10-12 21:00:22,981 INFO L264 CegarLoopResult]: At program point L210(lines 104 577) the Hoare annotation is: (or (and (not (= ssl3_accept_~s__state~0 8673)) (not (= ssl3_accept_~s__state~0 8672)) (not (= 8448 ssl3_accept_~s__state~0))) (not (= 8464 |ssl3_accept_#in~initial_state|))) [2020-10-12 21:00:22,981 INFO L264 CegarLoopResult]: At program point L177(lines 173 554) the Hoare annotation is: (or (and (<= ssl3_accept_~blastFlag~0 2) (not (= ssl3_accept_~s__state~0 8673)) (not (= ssl3_accept_~s__state~0 8672)) (not (= 8448 ssl3_accept_~s__state~0))) (not (= 8464 |ssl3_accept_#in~initial_state|))) [2020-10-12 21:00:22,981 INFO L264 CegarLoopResult]: At program point L144(lines 140 565) the Hoare annotation is: (or (and (<= ssl3_accept_~blastFlag~0 2) (not (= ssl3_accept_~s__state~0 8673)) (not (= ssl3_accept_~s__state~0 8672)) (not (= 8448 ssl3_accept_~s__state~0))) (not (= 8464 |ssl3_accept_#in~initial_state|))) [2020-10-12 21:00:22,982 INFO L264 CegarLoopResult]: At program point L542(lines 98 597) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~s__state~0 8448)) (.cse4 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse3 (<= ssl3_accept_~blastFlag~0 3)) (.cse0 (<= 8482 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8482))) (or (and .cse0 .cse1 .cse2) (and .cse1 (= 3 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse3) (and .cse4 .cse1 .cse3) (and .cse1 (not (= 8448 ssl3_accept_~s__state~0))) (<= ssl3_accept_~blastFlag~0 2) (and (<= 8656 ssl3_accept_~s__state~0) (not (= ssl3_accept_~s__state~0 8673)) .cse3) (and (<= 8640 ssl3_accept_~s__state~0) .cse4 .cse3) (not (= 8464 |ssl3_accept_#in~initial_state|)) (and (<= ssl3_accept_~s__state~0 8482) (< 8481 ssl3_accept_~s__state~0) .cse0 .cse2))) [2020-10-12 21:00:22,982 INFO L268 CegarLoopResult]: For program point L443(lines 443 445) no Hoare annotation was computed. [2020-10-12 21:00:22,982 INFO L268 CegarLoopResult]: For program point L311(lines 311 313) no Hoare annotation was computed. [2020-10-12 21:00:22,982 INFO L268 CegarLoopResult]: For program point L179(lines 179 552) no Hoare annotation was computed. [2020-10-12 21:00:22,982 INFO L268 CegarLoopResult]: For program point L146(lines 146 563) no Hoare annotation was computed. [2020-10-12 21:00:22,983 INFO L268 CegarLoopResult]: For program point L113(lines 113 574) no Hoare annotation was computed. [2020-10-12 21:00:22,983 INFO L268 CegarLoopResult]: For program point L345(lines 345 349) no Hoare annotation was computed. [2020-10-12 21:00:22,983 INFO L268 CegarLoopResult]: For program point L345-2(lines 345 349) no Hoare annotation was computed. [2020-10-12 21:00:22,983 INFO L268 CegarLoopResult]: For program point L81(lines 81 87) no Hoare annotation was computed. [2020-10-12 21:00:22,983 INFO L268 CegarLoopResult]: For program point L478(lines 478 480) no Hoare annotation was computed. [2020-10-12 21:00:22,983 INFO L268 CegarLoopResult]: For program point L379(lines 379 411) no Hoare annotation was computed. [2020-10-12 21:00:22,983 INFO L268 CegarLoopResult]: For program point L512(lines 512 514) no Hoare annotation was computed. [2020-10-12 21:00:22,983 INFO L268 CegarLoopResult]: For program point L446(lines 446 455) no Hoare annotation was computed. [2020-10-12 21:00:22,984 INFO L268 CegarLoopResult]: For program point L380(lines 380 386) no Hoare annotation was computed. [2020-10-12 21:00:22,984 INFO L268 CegarLoopResult]: For program point L215(lines 215 217) no Hoare annotation was computed. [2020-10-12 21:00:22,984 INFO L268 CegarLoopResult]: For program point L182(lines 182 551) no Hoare annotation was computed. [2020-10-12 21:00:22,984 INFO L268 CegarLoopResult]: For program point L149(lines 149 562) no Hoare annotation was computed. [2020-10-12 21:00:22,984 INFO L268 CegarLoopResult]: For program point L215-2(lines 215 217) no Hoare annotation was computed. [2020-10-12 21:00:22,984 INFO L268 CegarLoopResult]: For program point L116(lines 116 573) no Hoare annotation was computed. [2020-10-12 21:00:22,984 INFO L268 CegarLoopResult]: For program point L579(lines 579 595) no Hoare annotation was computed. [2020-10-12 21:00:22,985 INFO L264 CegarLoopResult]: At program point L513(lines 71 609) the Hoare annotation is: (not (= 8464 |ssl3_accept_#in~initial_state|)) [2020-10-12 21:00:22,985 INFO L264 CegarLoopResult]: At program point L183(lines 179 552) the Hoare annotation is: (or (and (<= ssl3_accept_~blastFlag~0 2) (not (= ssl3_accept_~s__state~0 8673)) (not (= ssl3_accept_~s__state~0 8672)) (not (= 8448 ssl3_accept_~s__state~0))) (not (= 8464 |ssl3_accept_#in~initial_state|))) [2020-10-12 21:00:22,985 INFO L264 CegarLoopResult]: At program point L150(lines 146 563) the Hoare annotation is: (or (and (<= ssl3_accept_~blastFlag~0 2) (not (= ssl3_accept_~s__state~0 8673)) (not (= ssl3_accept_~s__state~0 8672)) (not (= 8448 ssl3_accept_~s__state~0))) (not (= 8464 |ssl3_accept_#in~initial_state|))) [2020-10-12 21:00:22,985 INFO L268 CegarLoopResult]: For program point L84(lines 84 86) no Hoare annotation was computed. [2020-10-12 21:00:22,985 INFO L268 CegarLoopResult]: For program point L84-2(lines 81 87) no Hoare annotation was computed. [2020-10-12 21:00:22,985 INFO L268 CegarLoopResult]: For program point L580(lines 580 594) no Hoare annotation was computed. [2020-10-12 21:00:22,985 INFO L268 CegarLoopResult]: For program point L481(lines 481 485) no Hoare annotation was computed. [2020-10-12 21:00:22,986 INFO L268 CegarLoopResult]: For program point L481-2(lines 481 485) no Hoare annotation was computed. [2020-10-12 21:00:22,986 INFO L268 CegarLoopResult]: For program point L581(lines 581 586) no Hoare annotation was computed. [2020-10-12 21:00:22,986 INFO L268 CegarLoopResult]: For program point L515(lines 515 517) no Hoare annotation was computed. [2020-10-12 21:00:22,986 INFO L268 CegarLoopResult]: For program point L581-2(lines 580 594) no Hoare annotation was computed. [2020-10-12 21:00:22,986 INFO L268 CegarLoopResult]: For program point L185(lines 185 550) no Hoare annotation was computed. [2020-10-12 21:00:22,986 INFO L268 CegarLoopResult]: For program point L152(lines 152 561) no Hoare annotation was computed. [2020-10-12 21:00:22,986 INFO L268 CegarLoopResult]: For program point L119(lines 119 572) no Hoare annotation was computed. [2020-10-12 21:00:22,987 INFO L268 CegarLoopResult]: For program point L450(lines 450 452) no Hoare annotation was computed. [2020-10-12 21:00:22,987 INFO L264 CegarLoopResult]: At program point L120(lines 116 573) the Hoare annotation is: (or (and (not (= ssl3_accept_~s__state~0 8673)) (not (= ssl3_accept_~s__state~0 8672)) (not (= 8448 ssl3_accept_~s__state~0))) (not (= 8464 |ssl3_accept_#in~initial_state|))) [2020-10-12 21:00:22,987 INFO L268 CegarLoopResult]: For program point L583(lines 583 585) no Hoare annotation was computed. [2020-10-12 21:00:22,987 INFO L268 CegarLoopResult]: For program point L286(lines 286 292) no Hoare annotation was computed. [2020-10-12 21:00:22,987 INFO L268 CegarLoopResult]: For program point L220(lines 220 222) no Hoare annotation was computed. [2020-10-12 21:00:22,987 INFO L268 CegarLoopResult]: For program point L353(lines 353 361) no Hoare annotation was computed. [2020-10-12 21:00:22,987 INFO L268 CegarLoopResult]: For program point L188(lines 188 549) no Hoare annotation was computed. [2020-10-12 21:00:22,987 INFO L268 CegarLoopResult]: For program point L155(lines 155 560) no Hoare annotation was computed. [2020-10-12 21:00:22,988 INFO L268 CegarLoopResult]: For program point L122(lines 122 571) no Hoare annotation was computed. [2020-10-12 21:00:22,988 INFO L268 CegarLoopResult]: For program point L89(lines 89 93) no Hoare annotation was computed. [2020-10-12 21:00:22,988 INFO L268 CegarLoopResult]: For program point L89-1(lines 71 609) no Hoare annotation was computed. [2020-10-12 21:00:22,988 INFO L268 CegarLoopResult]: For program point ssl3_acceptEXIT(lines 10 610) no Hoare annotation was computed. [2020-10-12 21:00:22,988 INFO L268 CegarLoopResult]: For program point L519(lines 519 523) no Hoare annotation was computed. [2020-10-12 21:00:22,988 INFO L268 CegarLoopResult]: For program point L519-2(lines 519 523) no Hoare annotation was computed. [2020-10-12 21:00:22,988 INFO L264 CegarLoopResult]: At program point L354(lines 330 372) the Hoare annotation is: (or (and (<= ssl3_accept_~blastFlag~0 2) (not (= ssl3_accept_~s__state~0 8673)) (not (= ssl3_accept_~s__state~0 8672)) (not (= 8448 ssl3_accept_~s__state~0))) (not (= 8464 |ssl3_accept_#in~initial_state|))) [2020-10-12 21:00:22,989 INFO L264 CegarLoopResult]: At program point L189(lines 185 550) the Hoare annotation is: (or (not (= 8464 |ssl3_accept_#in~initial_state|)) (and (<= 8640 ssl3_accept_~s__state~0) (not (= ssl3_accept_~s__state~0 8673)) (not (= ssl3_accept_~s__state~0 8672)) (<= ssl3_accept_~blastFlag~0 3))) [2020-10-12 21:00:22,989 INFO L264 CegarLoopResult]: At program point L156(lines 152 561) the Hoare annotation is: (or (and (<= ssl3_accept_~blastFlag~0 2) (not (= ssl3_accept_~s__state~0 8673)) (not (= ssl3_accept_~s__state~0 8672)) (not (= 8448 ssl3_accept_~s__state~0))) (not (= 8464 |ssl3_accept_#in~initial_state|))) [2020-10-12 21:00:22,989 INFO L264 CegarLoopResult]: At program point L123(lines 122 571) the Hoare annotation is: (or (and (<= ssl3_accept_~s__state~0 8482) (< 8481 ssl3_accept_~s__state~0)) (not (= 8464 |ssl3_accept_#in~initial_state|))) [2020-10-12 21:00:22,989 INFO L268 CegarLoopResult]: For program point L90(lines 90 92) no Hoare annotation was computed. [2020-10-12 21:00:22,989 INFO L268 CegarLoopResult]: For program point L421(lines 421 423) no Hoare annotation was computed. [2020-10-12 21:00:22,989 INFO L264 CegarLoopResult]: At program point L388(lines 379 411) the Hoare annotation is: (or (and (<= ssl3_accept_~blastFlag~0 2) (not (= ssl3_accept_~s__state~0 8673)) (not (= ssl3_accept_~s__state~0 8672)) (not (= 8448 ssl3_accept_~s__state~0))) (not (= 8464 |ssl3_accept_#in~initial_state|))) [2020-10-12 21:00:22,989 INFO L268 CegarLoopResult]: For program point L289(lines 289 291) no Hoare annotation was computed. [2020-10-12 21:00:22,989 INFO L268 CegarLoopResult]: For program point L289-2(lines 207 541) no Hoare annotation was computed. [2020-10-12 21:00:22,990 INFO L268 CegarLoopResult]: For program point L356(lines 356 358) no Hoare annotation was computed. [2020-10-12 21:00:22,990 INFO L268 CegarLoopResult]: For program point L191(lines 191 548) no Hoare annotation was computed. [2020-10-12 21:00:22,990 INFO L268 CegarLoopResult]: For program point L158(lines 158 559) no Hoare annotation was computed. [2020-10-12 21:00:22,990 INFO L268 CegarLoopResult]: For program point L125(lines 125 570) no Hoare annotation was computed. [2020-10-12 21:00:22,990 INFO L268 CegarLoopResult]: For program point L588(lines 588 592) no Hoare annotation was computed. [2020-10-12 21:00:22,990 INFO L268 CegarLoopResult]: For program point ssl3_acceptFINAL(lines 10 610) no Hoare annotation was computed. [2020-10-12 21:00:22,990 INFO L268 CegarLoopResult]: For program point L324(lines 324 328) no Hoare annotation was computed. [2020-10-12 21:00:22,990 INFO L268 CegarLoopResult]: For program point L258(lines 258 260) no Hoare annotation was computed. [2020-10-12 21:00:22,990 INFO L268 CegarLoopResult]: For program point L324-2(lines 207 541) no Hoare annotation was computed. [2020-10-12 21:00:22,991 INFO L268 CegarLoopResult]: For program point L225(lines 225 236) no Hoare annotation was computed. [2020-10-12 21:00:22,991 INFO L268 CegarLoopResult]: For program point L225-2(lines 207 541) no Hoare annotation was computed. [2020-10-12 21:00:22,991 INFO L268 CegarLoopResult]: For program point L391(lines 391 409) no Hoare annotation was computed. [2020-10-12 21:00:22,991 INFO L268 CegarLoopResult]: For program point L491(lines 491 494) no Hoare annotation was computed. [2020-10-12 21:00:22,991 INFO L268 CegarLoopResult]: For program point L392(lines 392 398) no Hoare annotation was computed. [2020-10-12 21:00:22,991 INFO L268 CegarLoopResult]: For program point L227(lines 227 230) no Hoare annotation was computed. [2020-10-12 21:00:22,991 INFO L268 CegarLoopResult]: For program point L194(lines 194 547) no Hoare annotation was computed. [2020-10-12 21:00:22,991 INFO L268 CegarLoopResult]: For program point L161(lines 161 558) no Hoare annotation was computed. [2020-10-12 21:00:22,991 INFO L268 CegarLoopResult]: For program point L128(lines 128 569) no Hoare annotation was computed. [2020-10-12 21:00:22,992 INFO L264 CegarLoopResult]: At program point L195(lines 191 548) the Hoare annotation is: (or (and (<= 8656 ssl3_accept_~s__state~0) (not (= ssl3_accept_~s__state~0 8673)) (not (= ssl3_accept_~s__state~0 8672)) (<= ssl3_accept_~blastFlag~0 3)) (not (= 8464 |ssl3_accept_#in~initial_state|))) [2020-10-12 21:00:22,992 INFO L264 CegarLoopResult]: At program point L162(lines 158 559) the Hoare annotation is: (or (and (<= ssl3_accept_~blastFlag~0 2) (not (= ssl3_accept_~s__state~0 8673)) (not (= ssl3_accept_~s__state~0 8672)) (not (= 8448 ssl3_accept_~s__state~0))) (not (= 8464 |ssl3_accept_#in~initial_state|))) [2020-10-12 21:00:22,992 INFO L268 CegarLoopResult]: For program point L460(lines 460 462) no Hoare annotation was computed. [2020-10-12 21:00:22,992 INFO L268 CegarLoopResult]: For program point L296(lines 296 300) no Hoare annotation was computed. [2020-10-12 21:00:22,992 INFO L268 CegarLoopResult]: For program point L296-2(lines 296 300) no Hoare annotation was computed. [2020-10-12 21:00:22,992 INFO L268 CegarLoopResult]: For program point L197(lines 197 546) no Hoare annotation was computed. [2020-10-12 21:00:22,992 INFO L268 CegarLoopResult]: For program point L164(lines 164 557) no Hoare annotation was computed. [2020-10-12 21:00:22,992 INFO L268 CegarLoopResult]: For program point L131(lines 131 568) no Hoare annotation was computed. [2020-10-12 21:00:22,993 INFO L268 CegarLoopResult]: For program point ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION(line 607) no Hoare annotation was computed. [2020-10-12 21:00:22,993 INFO L264 CegarLoopResult]: At program point L98-2(lines 98 597) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~s__state~0 8448)) (.cse4 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse3 (<= ssl3_accept_~blastFlag~0 3)) (.cse0 (<= 8482 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8482))) (or (and .cse0 .cse1 .cse2) (and .cse1 (= 3 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse3) (and .cse4 .cse1 .cse3) (and .cse1 (not (= 8448 ssl3_accept_~s__state~0))) (<= ssl3_accept_~blastFlag~0 2) (and (<= 8656 ssl3_accept_~s__state~0) (not (= ssl3_accept_~s__state~0 8673)) .cse3) (and (<= 8640 ssl3_accept_~s__state~0) .cse4 .cse3) (not (= 8464 |ssl3_accept_#in~initial_state|)) (and (<= ssl3_accept_~s__state~0 8482) (< 8481 ssl3_accept_~s__state~0) .cse0 .cse2))) [2020-10-12 21:00:22,993 INFO L268 CegarLoopResult]: For program point L429-1(lines 429 437) no Hoare annotation was computed. [2020-10-12 21:00:22,993 INFO L268 CegarLoopResult]: For program point L231(lines 231 234) no Hoare annotation was computed. [2020-10-12 21:00:22,993 INFO L264 CegarLoopResult]: At program point L165(lines 164 557) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8448)) (.cse1 (<= ssl3_accept_~blastFlag~0 3))) (or (and (<= 8482 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8482)) (and (<= ssl3_accept_~blastFlag~0 2) .cse0) (and .cse0 (= 3 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse1) (and (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 .cse1) (not (= 8464 |ssl3_accept_#in~initial_state|)))) [2020-10-12 21:00:22,994 INFO L264 CegarLoopResult]: At program point L132(lines 125 570) the Hoare annotation is: (or (and (<= ssl3_accept_~blastFlag~0 2) (not (= ssl3_accept_~s__state~0 8673)) (not (= ssl3_accept_~s__state~0 8672)) (not (= 8448 ssl3_accept_~s__state~0))) (not (= 8464 |ssl3_accept_#in~initial_state|))) [2020-10-12 21:00:22,994 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-12 21:00:22,994 INFO L268 CegarLoopResult]: For program point L529(lines 529 535) no Hoare annotation was computed. [2020-10-12 21:00:22,994 INFO L268 CegarLoopResult]: For program point L496(lines 496 498) no Hoare annotation was computed. [2020-10-12 21:00:22,994 INFO L268 CegarLoopResult]: For program point L529-1(lines 529 535) no Hoare annotation was computed. [2020-10-12 21:00:22,994 INFO L268 CegarLoopResult]: For program point L496-2(lines 207 541) no Hoare annotation was computed. [2020-10-12 21:00:22,994 INFO L268 CegarLoopResult]: For program point L200(lines 200 545) no Hoare annotation was computed. [2020-10-12 21:00:22,994 INFO L268 CegarLoopResult]: For program point L167(lines 167 556) no Hoare annotation was computed. [2020-10-12 21:00:22,995 INFO L268 CegarLoopResult]: For program point L134(lines 134 567) no Hoare annotation was computed. [2020-10-12 21:00:22,995 INFO L268 CegarLoopResult]: For program point L101(lines 101 578) no Hoare annotation was computed. [2020-10-12 21:00:23,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 09:00:23 BoogieIcfgContainer [2020-10-12 21:00:23,021 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 21:00:23,023 INFO L168 Benchmark]: Toolchain (without parser) took 12747.59 ms. Allocated memory was 143.1 MB in the beginning and 450.4 MB in the end (delta: 307.2 MB). Free memory was 105.9 MB in the beginning and 138.1 MB in the end (delta: -32.2 MB). Peak memory consumption was 275.0 MB. Max. memory is 7.1 GB. [2020-10-12 21:00:23,024 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 143.1 MB. Free memory was 124.7 MB in the beginning and 124.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 21:00:23,024 INFO L168 Benchmark]: CACSL2BoogieTranslator took 528.87 ms. Allocated memory was 143.1 MB in the beginning and 205.5 MB in the end (delta: 62.4 MB). Free memory was 105.7 MB in the beginning and 181.7 MB in the end (delta: -76.0 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2020-10-12 21:00:23,025 INFO L168 Benchmark]: Boogie Preprocessor took 58.50 ms. Allocated memory is still 205.5 MB. Free memory was 181.7 MB in the beginning and 179.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-10-12 21:00:23,026 INFO L168 Benchmark]: RCFGBuilder took 774.88 ms. Allocated memory is still 205.5 MB. Free memory was 178.6 MB in the beginning and 128.1 MB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 7.1 GB. [2020-10-12 21:00:23,027 INFO L168 Benchmark]: TraceAbstraction took 11379.62 ms. Allocated memory was 205.5 MB in the beginning and 450.4 MB in the end (delta: 244.8 MB). Free memory was 127.5 MB in the beginning and 138.1 MB in the end (delta: -10.6 MB). Peak memory consumption was 234.2 MB. Max. memory is 7.1 GB. [2020-10-12 21:00:23,030 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 143.1 MB. Free memory was 124.7 MB in the beginning and 124.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 528.87 ms. Allocated memory was 143.1 MB in the beginning and 205.5 MB in the end (delta: 62.4 MB). Free memory was 105.7 MB in the beginning and 181.7 MB in the end (delta: -76.0 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.50 ms. Allocated memory is still 205.5 MB. Free memory was 181.7 MB in the beginning and 179.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 774.88 ms. Allocated memory is still 205.5 MB. Free memory was 178.6 MB in the beginning and 128.1 MB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11379.62 ms. Allocated memory was 205.5 MB in the beginning and 450.4 MB in the end (delta: 244.8 MB). Free memory was 127.5 MB in the beginning and 138.1 MB in the end (delta: -10.6 MB). Peak memory consumption was 234.2 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: 203]: Loop Invariant Derived loop invariant: !(8464 == \old(initial_state)) || !(s__state == 8672) - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: (((blastFlag <= 2 && !(s__state == 8673)) && !(s__state == 8672)) && !(8448 == s__state)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (((blastFlag <= 2 && !(s__state == 8673)) && !(s__state == 8672)) && !(8448 == s__state)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((!(s__state == 8673) && !(s__state == 8672)) && !(8448 == s__state)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: (((8656 <= s__state && !(s__state == 8673)) && !(s__state == 8672)) && blastFlag <= 3) || !(8464 == \old(initial_state)) - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: !(8464 == \old(initial_state)) || !(s__state == 8672) - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (((blastFlag <= 2 && !(s__state == 8673)) && !(s__state == 8672)) && !(8448 == s__state)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: (((blastFlag <= 2 && !(s__state == 8673)) && !(s__state == 8672)) && !(8448 == s__state)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: !(8464 == \old(initial_state)) || ((8656 <= s__state && !(s__state == 8673)) && !(s__state == 8672)) - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: (((blastFlag <= 2 && !(s__state == 8673)) && !(s__state == 8672)) && !(8448 == s__state)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: ((!(s__state == 8673) && !(s__state == 8672)) && !(8448 == s__state)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: !(8464 == \old(initial_state)) || (8656 <= s__state && blastFlag <= 3) - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((blastFlag <= 2 && !(s__state == 8673)) && !(s__state == 8672)) && !(8448 == s__state)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (((blastFlag <= 2 && !(s__state == 8673)) && !(s__state == 8672)) && !(8448 == s__state)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: (((blastFlag <= 2 && !(s__state == 8673)) && !(s__state == 8672)) && !(8448 == s__state)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: (((blastFlag <= 2 && !(s__state == 8673)) && !(s__state == 8672)) && !(8448 == s__state)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((((8482 <= s__s3__tmp__next_state___0 && s__state <= 8448) && s__s3__tmp__next_state___0 <= 8482) || (blastFlag <= 2 && s__state <= 8448)) || ((s__state <= 8448 && 3 == s__s3__tmp__next_state___0) && blastFlag <= 3)) || ((8640 <= s__s3__tmp__next_state___0 && s__state <= 8448) && blastFlag <= 3)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: (s__state <= 8482 && 8481 < s__state) || !(8464 == \old(initial_state)) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (((blastFlag <= 2 && !(s__state == 8673)) && !(s__state == 8672)) && !(8448 == s__state)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: !(8464 == \old(initial_state)) || (((8640 <= s__state && !(s__state == 8673)) && !(s__state == 8672)) && blastFlag <= 3) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: (((((((((8482 <= s__s3__tmp__next_state___0 && s__state <= 8448) && s__s3__tmp__next_state___0 <= 8482) || ((s__state <= 8448 && 3 == s__s3__tmp__next_state___0) && blastFlag <= 3)) || ((8640 <= s__s3__tmp__next_state___0 && s__state <= 8448) && blastFlag <= 3)) || (s__state <= 8448 && !(8448 == s__state))) || blastFlag <= 2) || ((8656 <= s__state && !(s__state == 8673)) && blastFlag <= 3)) || ((8640 <= s__state && 8640 <= s__s3__tmp__next_state___0) && blastFlag <= 3)) || !(8464 == \old(initial_state))) || (((s__state <= 8482 && 8481 < s__state) && 8482 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8482) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((blastFlag <= 2 && !(s__state == 8673)) && !(s__state == 8672)) && !(8448 == s__state)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: (((((((((8482 <= s__s3__tmp__next_state___0 && s__state <= 8448) && s__s3__tmp__next_state___0 <= 8482) || ((s__state <= 8448 && 3 == s__s3__tmp__next_state___0) && blastFlag <= 3)) || ((8640 <= s__s3__tmp__next_state___0 && s__state <= 8448) && blastFlag <= 3)) || (s__state <= 8448 && !(8448 == s__state))) || blastFlag <= 2) || ((8656 <= s__state && !(s__state == 8673)) && blastFlag <= 3)) || ((8640 <= s__state && 8640 <= s__s3__tmp__next_state___0) && blastFlag <= 3)) || !(8464 == \old(initial_state))) || (((s__state <= 8482 && 8481 < s__state) && 8482 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8482) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((blastFlag <= 2 && !(s__state == 8673)) && !(s__state == 8672)) && !(8448 == s__state)) || !(8464 == \old(initial_state)) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: !(8464 == \old(initial_state)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 149 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.8s, OverallIterations: 13, TraceHistogramMax: 8, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2677 SDtfs, 2366 SDslu, 2681 SDs, 0 SdLazy, 1536 SolverSat, 313 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1494occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 649 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 174 NumberOfFragments, 602 HoareAnnotationTreeSize, 32 FomulaSimplifications, 8680 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 32 FomulaSimplificationsInter, 1109 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 1844 NumberOfCodeBlocks, 1844 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1831 ConstructedInterpolants, 0 QuantifiedInterpolants, 455113 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 2489/2533 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...