/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/bitvector/s3_srvr_2a_alt.BV.c.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 18:34:17,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 18:34:17,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 18:34:17,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 18:34:17,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 18:34:17,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 18:34:17,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 18:34:17,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 18:34:17,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 18:34:17,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 18:34:17,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 18:34:17,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 18:34:17,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 18:34:17,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 18:34:17,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 18:34:17,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 18:34:17,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 18:34:17,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 18:34:17,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 18:34:17,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 18:34:17,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 18:34:17,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 18:34:17,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 18:34:17,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 18:34:17,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 18:34:17,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 18:34:17,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 18:34:17,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 18:34:17,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 18:34:17,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 18:34:17,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 18:34:17,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 18:34:17,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 18:34:17,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 18:34:17,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 18:34:17,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 18:34:17,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 18:34:17,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 18:34:17,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 18:34:17,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 18:34:17,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 18:34:17,885 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 [2020-10-14 18:34:17,923 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 18:34:17,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 18:34:17,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 18:34:17,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 18:34:17,926 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 18:34:17,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 18:34:17,927 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 18:34:17,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 18:34:17,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 18:34:17,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 18:34:17,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 18:34:17,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 18:34:17,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 18:34:17,929 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 18:34:17,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 18:34:17,930 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 18:34:17,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 18:34:17,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 18:34:17,930 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 18:34:17,932 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 18:34:17,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 18:34:17,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 18:34:17,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 18:34:17,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 18:34:17,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 18:34:17,936 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 18:34:17,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 18:34:17,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 18:34:17,936 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 18:34:17,936 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 18:34:18,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 18:34:18,252 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 18:34:18,256 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 18:34:18,257 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 18:34:18,258 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 18:34:18,258 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2020-10-14 18:34:18,323 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b49db4097/c70248f2a64248fba73882685c7c1add/FLAG6abc60bb4 [2020-10-14 18:34:18,866 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 18:34:18,867 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2020-10-14 18:34:18,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b49db4097/c70248f2a64248fba73882685c7c1add/FLAG6abc60bb4 [2020-10-14 18:34:19,210 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b49db4097/c70248f2a64248fba73882685c7c1add [2020-10-14 18:34:19,219 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 18:34:19,220 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 18:34:19,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 18:34:19,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 18:34:19,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 18:34:19,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:34:19" (1/1) ... [2020-10-14 18:34:19,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d6fb2f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:34:19, skipping insertion in model container [2020-10-14 18:34:19,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:34:19" (1/1) ... [2020-10-14 18:34:19,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 18:34:19,305 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 18:34:19,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 18:34:19,581 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 18:34:19,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 18:34:19,744 INFO L208 MainTranslator]: Completed translation [2020-10-14 18:34:19,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:34:19 WrapperNode [2020-10-14 18:34:19,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 18:34:19,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 18:34:19,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 18:34:19,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 18:34:19,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:34:19" (1/1) ... [2020-10-14 18:34:19,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:34:19" (1/1) ... [2020-10-14 18:34:19,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:34:19" (1/1) ... [2020-10-14 18:34:19,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:34:19" (1/1) ... [2020-10-14 18:34:19,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:34:19" (1/1) ... [2020-10-14 18:34:19,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:34:19" (1/1) ... [2020-10-14 18:34:19,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:34:19" (1/1) ... [2020-10-14 18:34:19,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 18:34:19,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 18:34:19,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 18:34:19,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 18:34:19,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:34:19" (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 [2020-10-14 18:34:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 18:34:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 18:34:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-10-14 18:34:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 18:34:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 18:34:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-14 18:34:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 18:34:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-14 18:34:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-10-14 18:34:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 18:34:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 18:34:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 18:34:20,057 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 18:34:20,542 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-10-14 18:34:20,542 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-10-14 18:34:20,557 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 18:34:20,558 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 18:34:20,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:34:20 BoogieIcfgContainer [2020-10-14 18:34:20,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 18:34:20,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 18:34:20,566 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 18:34:20,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 18:34:20,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 06:34:19" (1/3) ... [2020-10-14 18:34:20,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5648d053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:34:20, skipping insertion in model container [2020-10-14 18:34:20,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:34:19" (2/3) ... [2020-10-14 18:34:20,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5648d053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:34:20, skipping insertion in model container [2020-10-14 18:34:20,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:34:20" (3/3) ... [2020-10-14 18:34:20,573 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_2a_alt.BV.c.cil.c [2020-10-14 18:34:20,585 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 18:34:20,600 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 18:34:20,616 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 18:34:20,651 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 18:34:20,651 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 18:34:20,652 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 18:34:20,652 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 18:34:20,652 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 18:34:20,652 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 18:34:20,653 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 18:34:20,653 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 18:34:20,681 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2020-10-14 18:34:20,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-14 18:34:20,701 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:20,703 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] [2020-10-14 18:34:20,703 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:20,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:20,711 INFO L82 PathProgramCache]: Analyzing trace with hash -214397175, now seen corresponding path program 1 times [2020-10-14 18:34:20,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:20,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [758117504] [2020-10-14 18:34:20,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:20,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:21,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:21,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:21,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:21,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 18:34:21,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 18:34:21,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 522 [2020-10-14 18:34:21,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:21,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:21,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:34:21,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 18:34:21,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 18:34:21,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 18:34:21,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:21,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:21,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:21,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:21,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:21,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:34:21,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:21,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:21,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:21,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:21,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:21,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:21,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 18:34:21,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [758117504] [2020-10-14 18:34:21,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:34:21,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:34:21,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68887517] [2020-10-14 18:34:21,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:34:21,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:21,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:34:21,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:34:21,523 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 3 states. [2020-10-14 18:34:21,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:21,638 INFO L93 Difference]: Finished difference Result 393 states and 669 transitions. [2020-10-14 18:34:21,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:34:21,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-10-14 18:34:21,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:21,658 INFO L225 Difference]: With dead ends: 393 [2020-10-14 18:34:21,659 INFO L226 Difference]: Without dead ends: 223 [2020-10-14 18:34:21,669 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 [2020-10-14 18:34:21,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-10-14 18:34:21,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2020-10-14 18:34:21,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-10-14 18:34:21,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 336 transitions. [2020-10-14 18:34:21,816 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 336 transitions. Word has length 49 [2020-10-14 18:34:21,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:21,817 INFO L479 AbstractCegarLoop]: Abstraction has 223 states and 336 transitions. [2020-10-14 18:34:21,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:34:21,817 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 336 transitions. [2020-10-14 18:34:21,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-14 18:34:21,827 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:21,827 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:34:21,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 18:34:21,830 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:21,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:21,830 INFO L82 PathProgramCache]: Analyzing trace with hash -83111160, now seen corresponding path program 1 times [2020-10-14 18:34:21,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:21,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [328532104] [2020-10-14 18:34:21,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:21,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:22,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:22,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 18:34:22,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:22,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-14 18:34:22,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:22,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:22,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:34:22,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-14 18:34:22,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-14 18:34:22,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 18:34:22,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:22,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:22,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:22,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:22,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:22,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:34:22,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:22,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:22,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:22,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:22,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:22,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 18:34:22,122 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 18:34:22,123 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [328532104] [2020-10-14 18:34:22,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:34:22,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:34:22,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31929473] [2020-10-14 18:34:22,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:34:22,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:22,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:34:22,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:34:22,138 INFO L87 Difference]: Start difference. First operand 223 states and 336 transitions. Second operand 3 states. [2020-10-14 18:34:22,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:22,284 INFO L93 Difference]: Finished difference Result 433 states and 659 transitions. [2020-10-14 18:34:22,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:34:22,285 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-10-14 18:34:22,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:22,298 INFO L225 Difference]: With dead ends: 433 [2020-10-14 18:34:22,301 INFO L226 Difference]: Without dead ends: 327 [2020-10-14 18:34:22,303 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 [2020-10-14 18:34:22,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-14 18:34:22,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2020-10-14 18:34:22,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-10-14 18:34:22,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 494 transitions. [2020-10-14 18:34:22,360 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 494 transitions. Word has length 65 [2020-10-14 18:34:22,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:22,361 INFO L479 AbstractCegarLoop]: Abstraction has 327 states and 494 transitions. [2020-10-14 18:34:22,361 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:34:22,361 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 494 transitions. [2020-10-14 18:34:22,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-14 18:34:22,365 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:22,365 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:34:22,365 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 18:34:22,366 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:22,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:22,366 INFO L82 PathProgramCache]: Analyzing trace with hash 336937436, now seen corresponding path program 1 times [2020-10-14 18:34:22,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:22,367 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [279743067] [2020-10-14 18:34:22,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:22,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:22,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:22,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:22,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:22,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-14 18:34:22,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 18:34:22,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 273 [2020-10-14 18:34:22,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:22,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:22,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:34:22,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 18:34:22,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-14 18:34:22,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:22,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:22,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:22,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:22,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:22,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:22,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:34:22,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:22,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:22,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:22,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:22,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:22,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:34:22,724 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 18:34:22,724 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [279743067] [2020-10-14 18:34:22,725 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:34:22,725 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:34:22,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592490668] [2020-10-14 18:34:22,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:34:22,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:22,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:34:22,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:34:22,727 INFO L87 Difference]: Start difference. First operand 327 states and 494 transitions. Second operand 3 states. [2020-10-14 18:34:22,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:22,975 INFO L93 Difference]: Finished difference Result 782 states and 1212 transitions. [2020-10-14 18:34:22,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:34:22,976 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-10-14 18:34:22,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:22,980 INFO L225 Difference]: With dead ends: 782 [2020-10-14 18:34:22,980 INFO L226 Difference]: Without dead ends: 459 [2020-10-14 18:34:22,982 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 [2020-10-14 18:34:22,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2020-10-14 18:34:23,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 447. [2020-10-14 18:34:23,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2020-10-14 18:34:23,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 704 transitions. [2020-10-14 18:34:23,023 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 704 transitions. Word has length 86 [2020-10-14 18:34:23,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:23,026 INFO L479 AbstractCegarLoop]: Abstraction has 447 states and 704 transitions. [2020-10-14 18:34:23,027 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:34:23,027 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 704 transitions. [2020-10-14 18:34:23,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-14 18:34:23,038 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:23,039 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:34:23,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 18:34:23,039 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:23,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:23,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1961825767, now seen corresponding path program 1 times [2020-10-14 18:34:23,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:23,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1118971833] [2020-10-14 18:34:23,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:23,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:23,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:23,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:23,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:23,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:23,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 18:34:23,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 18:34:23,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 735 [2020-10-14 18:34:23,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:23,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:23,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 18:34:23,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-14 18:34:23,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 18:34:23,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:24,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:24,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:24,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:24,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:24,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:24,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:34:24,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:24,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:24,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:24,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:24,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:24,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:24,126 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 49 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 18:34:24,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1118971833] [2020-10-14 18:34:24,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:34:24,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 18:34:24,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845662856] [2020-10-14 18:34:24,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 18:34:24,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:24,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 18:34:24,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 18:34:24,129 INFO L87 Difference]: Start difference. First operand 447 states and 704 transitions. Second operand 5 states. [2020-10-14 18:34:25,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:25,089 INFO L93 Difference]: Finished difference Result 1592 states and 2553 transitions. [2020-10-14 18:34:25,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 18:34:25,090 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2020-10-14 18:34:25,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:25,098 INFO L225 Difference]: With dead ends: 1592 [2020-10-14 18:34:25,099 INFO L226 Difference]: Without dead ends: 1158 [2020-10-14 18:34:25,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 18:34:25,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2020-10-14 18:34:25,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1128. [2020-10-14 18:34:25,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1128 states. [2020-10-14 18:34:25,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1831 transitions. [2020-10-14 18:34:25,157 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1831 transitions. Word has length 102 [2020-10-14 18:34:25,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:25,158 INFO L479 AbstractCegarLoop]: Abstraction has 1128 states and 1831 transitions. [2020-10-14 18:34:25,158 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 18:34:25,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1831 transitions. [2020-10-14 18:34:25,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-14 18:34:25,163 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:25,163 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:34:25,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 18:34:25,164 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:25,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:25,164 INFO L82 PathProgramCache]: Analyzing trace with hash -694092165, now seen corresponding path program 1 times [2020-10-14 18:34:25,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:25,165 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1518161522] [2020-10-14 18:34:25,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:25,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:25,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:25,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:25,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:25,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:25,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 18:34:25,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 18:34:25,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 566 [2020-10-14 18:34:25,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:25,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:25,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:34:25,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-14 18:34:25,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-14 18:34:25,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:25,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:25,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:25,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:25,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:25,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:25,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:34:25,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:25,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:25,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:25,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:25,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:25,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:25,884 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-14 18:34:25,884 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1518161522] [2020-10-14 18:34:25,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:34:25,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:34:25,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050551502] [2020-10-14 18:34:25,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:34:25,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:25,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:34:25,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:34:25,887 INFO L87 Difference]: Start difference. First operand 1128 states and 1831 transitions. Second operand 3 states. [2020-10-14 18:34:25,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:25,958 INFO L93 Difference]: Finished difference Result 2243 states and 3653 transitions. [2020-10-14 18:34:25,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:34:25,959 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-10-14 18:34:25,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:25,967 INFO L225 Difference]: With dead ends: 2243 [2020-10-14 18:34:25,968 INFO L226 Difference]: Without dead ends: 1499 [2020-10-14 18:34:25,970 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 [2020-10-14 18:34:25,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2020-10-14 18:34:26,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 1499. [2020-10-14 18:34:26,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1499 states. [2020-10-14 18:34:26,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1499 states and 2436 transitions. [2020-10-14 18:34:26,024 INFO L78 Accepts]: Start accepts. Automaton has 1499 states and 2436 transitions. Word has length 103 [2020-10-14 18:34:26,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:26,025 INFO L479 AbstractCegarLoop]: Abstraction has 1499 states and 2436 transitions. [2020-10-14 18:34:26,025 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:34:26,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 2436 transitions. [2020-10-14 18:34:26,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-14 18:34:26,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:26,030 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] [2020-10-14 18:34:26,030 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 18:34:26,030 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:26,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:26,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1785636715, now seen corresponding path program 1 times [2020-10-14 18:34:26,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:26,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1520667028] [2020-10-14 18:34:26,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:26,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:26,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:26,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 18:34:26,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:26,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-14 18:34:26,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:26,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:26,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:34:26,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-14 18:34:26,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 18:34:26,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:26,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:26,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:26,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:26,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:26,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:26,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:34:26,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:26,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:26,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:26,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:26,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:26,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:34:26,203 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-14 18:34:26,203 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1520667028] [2020-10-14 18:34:26,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:34:26,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:34:26,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810792101] [2020-10-14 18:34:26,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:34:26,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:26,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:34:26,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:34:26,206 INFO L87 Difference]: Start difference. First operand 1499 states and 2436 transitions. Second operand 3 states. [2020-10-14 18:34:26,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:26,310 INFO L93 Difference]: Finished difference Result 1872 states and 3046 transitions. [2020-10-14 18:34:26,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:34:26,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-10-14 18:34:26,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:26,323 INFO L225 Difference]: With dead ends: 1872 [2020-10-14 18:34:26,324 INFO L226 Difference]: Without dead ends: 1870 [2020-10-14 18:34:26,325 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 [2020-10-14 18:34:26,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1870 states. [2020-10-14 18:34:26,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1870 to 1870. [2020-10-14 18:34:26,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1870 states. [2020-10-14 18:34:26,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1870 states and 3043 transitions. [2020-10-14 18:34:26,440 INFO L78 Accepts]: Start accepts. Automaton has 1870 states and 3043 transitions. Word has length 126 [2020-10-14 18:34:26,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:26,441 INFO L479 AbstractCegarLoop]: Abstraction has 1870 states and 3043 transitions. [2020-10-14 18:34:26,441 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:34:26,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 3043 transitions. [2020-10-14 18:34:26,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-14 18:34:26,449 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:26,449 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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, 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] [2020-10-14 18:34:26,450 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 18:34:26,450 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:26,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:26,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1541072527, now seen corresponding path program 1 times [2020-10-14 18:34:26,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:26,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1467012937] [2020-10-14 18:34:26,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:26,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:26,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:26,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:27,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:27,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:27,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-14 18:34:27,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 18:34:27,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 963 [2020-10-14 18:34:27,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:27,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:27,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 18:34:27,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-14 18:34:27,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-14 18:34:27,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:34:27,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:27,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:27,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:27,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:27,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:27,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:34:27,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:27,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:27,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:27,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:27,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:27,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:27,860 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 122 proven. 61 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-10-14 18:34:27,861 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1467012937] [2020-10-14 18:34:27,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:34:27,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 18:34:27,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327383387] [2020-10-14 18:34:27,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 18:34:27,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:27,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 18:34:27,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 18:34:27,864 INFO L87 Difference]: Start difference. First operand 1870 states and 3043 transitions. Second operand 5 states. [2020-10-14 18:34:28,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:28,767 INFO L93 Difference]: Finished difference Result 6161 states and 9934 transitions. [2020-10-14 18:34:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 18:34:28,767 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 165 [2020-10-14 18:34:28,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:28,793 INFO L225 Difference]: With dead ends: 6161 [2020-10-14 18:34:28,793 INFO L226 Difference]: Without dead ends: 4304 [2020-10-14 18:34:28,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 18:34:28,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4304 states. [2020-10-14 18:34:29,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4304 to 2905. [2020-10-14 18:34:29,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2905 states. [2020-10-14 18:34:29,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 2905 states and 4693 transitions. [2020-10-14 18:34:29,023 INFO L78 Accepts]: Start accepts. Automaton has 2905 states and 4693 transitions. Word has length 165 [2020-10-14 18:34:29,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:29,023 INFO L479 AbstractCegarLoop]: Abstraction has 2905 states and 4693 transitions. [2020-10-14 18:34:29,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 18:34:29,024 INFO L276 IsEmpty]: Start isEmpty. Operand 2905 states and 4693 transitions. [2020-10-14 18:34:29,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-14 18:34:29,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:29,032 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 18:34:29,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 18:34:29,032 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:29,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:29,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1008465279, now seen corresponding path program 1 times [2020-10-14 18:34:29,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:29,033 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1960495998] [2020-10-14 18:34:29,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:29,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:29,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:29,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:29,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-14 18:34:29,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 18:34:29,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 252 [2020-10-14 18:34:29,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:29,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:29,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:34:29,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-14 18:34:29,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 18:34:29,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:29,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:29,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:29,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:29,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:29,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:29,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:34:29,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:29,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:29,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:29,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:29,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:29,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:29,377 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-14 18:34:29,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1960495998] [2020-10-14 18:34:29,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:34:29,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:34:29,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764364662] [2020-10-14 18:34:29,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:34:29,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:29,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:34:29,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:34:29,379 INFO L87 Difference]: Start difference. First operand 2905 states and 4693 transitions. Second operand 3 states. [2020-10-14 18:34:29,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:29,720 INFO L93 Difference]: Finished difference Result 6867 states and 11224 transitions. [2020-10-14 18:34:29,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:34:29,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 176 [2020-10-14 18:34:29,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:29,744 INFO L225 Difference]: With dead ends: 6867 [2020-10-14 18:34:29,744 INFO L226 Difference]: Without dead ends: 3975 [2020-10-14 18:34:29,751 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 [2020-10-14 18:34:29,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3975 states. [2020-10-14 18:34:29,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3975 to 3910. [2020-10-14 18:34:29,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3910 states. [2020-10-14 18:34:29,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3910 states to 3910 states and 5698 transitions. [2020-10-14 18:34:29,958 INFO L78 Accepts]: Start accepts. Automaton has 3910 states and 5698 transitions. Word has length 176 [2020-10-14 18:34:29,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:29,959 INFO L479 AbstractCegarLoop]: Abstraction has 3910 states and 5698 transitions. [2020-10-14 18:34:29,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:34:29,959 INFO L276 IsEmpty]: Start isEmpty. Operand 3910 states and 5698 transitions. [2020-10-14 18:34:29,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-14 18:34:29,972 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:29,972 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:34:29,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 18:34:29,972 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:29,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:29,973 INFO L82 PathProgramCache]: Analyzing trace with hash 372795401, now seen corresponding path program 1 times [2020-10-14 18:34:29,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:29,973 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [967226935] [2020-10-14 18:34:29,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:30,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:30,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:30,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:30,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:30,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:30,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:31,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:31,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-14 18:34:31,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 18:34:31,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1102 [2020-10-14 18:34:31,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:31,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:31,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:34:31,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 18:34:31,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 18:34:31,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:31,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:31,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:31,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:31,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:31,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:31,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:34:31,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:31,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:31,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:31,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:31,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:31,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:31,207 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-10-14 18:34:31,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [967226935] [2020-10-14 18:34:31,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:34:31,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:34:31,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476252715] [2020-10-14 18:34:31,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:34:31,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:31,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:34:31,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:34:31,219 INFO L87 Difference]: Start difference. First operand 3910 states and 5698 transitions. Second operand 3 states. [2020-10-14 18:34:31,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:31,455 INFO L93 Difference]: Finished difference Result 11644 states and 17000 transitions. [2020-10-14 18:34:31,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:34:31,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 218 [2020-10-14 18:34:31,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:31,493 INFO L225 Difference]: With dead ends: 11644 [2020-10-14 18:34:31,493 INFO L226 Difference]: Without dead ends: 7747 [2020-10-14 18:34:31,504 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 [2020-10-14 18:34:31,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7747 states. [2020-10-14 18:34:31,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7747 to 7745. [2020-10-14 18:34:31,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7745 states. [2020-10-14 18:34:31,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7745 states to 7745 states and 11273 transitions. [2020-10-14 18:34:31,828 INFO L78 Accepts]: Start accepts. Automaton has 7745 states and 11273 transitions. Word has length 218 [2020-10-14 18:34:31,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:31,828 INFO L479 AbstractCegarLoop]: Abstraction has 7745 states and 11273 transitions. [2020-10-14 18:34:31,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:34:31,829 INFO L276 IsEmpty]: Start isEmpty. Operand 7745 states and 11273 transitions. [2020-10-14 18:34:31,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-14 18:34:31,928 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:31,928 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 18:34:31,928 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 18:34:31,929 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:31,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:31,929 INFO L82 PathProgramCache]: Analyzing trace with hash -457858233, now seen corresponding path program 1 times [2020-10-14 18:34:31,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:31,930 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [260868376] [2020-10-14 18:34:31,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:31,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:32,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:32,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:32,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:32,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:32,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:33,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:33,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-14 18:34:33,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 18:34:33,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1276 [2020-10-14 18:34:33,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:33,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:33,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 18:34:33,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-10-14 18:34:33,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 18:34:33,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:33,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:33,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:33,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:33,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:33,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:33,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:34:33,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:33,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:33,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:33,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:33,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:33,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:33,404 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 244 proven. 42 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-10-14 18:34:33,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [260868376] [2020-10-14 18:34:33,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:34:33,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 18:34:33,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855944193] [2020-10-14 18:34:33,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 18:34:33,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:33,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 18:34:33,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 18:34:33,407 INFO L87 Difference]: Start difference. First operand 7745 states and 11273 transitions. Second operand 4 states. [2020-10-14 18:34:34,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:34,225 INFO L93 Difference]: Finished difference Result 23189 states and 34067 transitions. [2020-10-14 18:34:34,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 18:34:34,226 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 218 [2020-10-14 18:34:34,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:34,311 INFO L225 Difference]: With dead ends: 23189 [2020-10-14 18:34:34,311 INFO L226 Difference]: Without dead ends: 12247 [2020-10-14 18:34:34,343 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 [2020-10-14 18:34:34,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12247 states. [2020-10-14 18:34:34,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12247 to 9190. [2020-10-14 18:34:34,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9190 states. [2020-10-14 18:34:34,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9190 states to 9190 states and 13491 transitions. [2020-10-14 18:34:34,890 INFO L78 Accepts]: Start accepts. Automaton has 9190 states and 13491 transitions. Word has length 218 [2020-10-14 18:34:34,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:34,891 INFO L479 AbstractCegarLoop]: Abstraction has 9190 states and 13491 transitions. [2020-10-14 18:34:34,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 18:34:34,891 INFO L276 IsEmpty]: Start isEmpty. Operand 9190 states and 13491 transitions. [2020-10-14 18:34:34,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-14 18:34:34,921 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:34,921 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:34:34,922 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 18:34:34,922 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:34,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:34,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1400885727, now seen corresponding path program 1 times [2020-10-14 18:34:34,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:34,924 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1911305689] [2020-10-14 18:34:34,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:35,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:35,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:35,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:35,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:35,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:35,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:36,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:38,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:38,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-14 18:34:38,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 18:34:38,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3191 [2020-10-14 18:34:38,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:38,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:38,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 18:34:38,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-14 18:34:38,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-14 18:34:38,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 18:34:38,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:38,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:38,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:38,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:38,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:38,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:34:38,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:38,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:38,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:38,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:38,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:38,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:38,825 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 146 proven. 110 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2020-10-14 18:34:38,825 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1911305689] [2020-10-14 18:34:38,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:34:38,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 18:34:38,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752545253] [2020-10-14 18:34:38,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 18:34:38,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:38,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 18:34:38,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 18:34:38,829 INFO L87 Difference]: Start difference. First operand 9190 states and 13491 transitions. Second operand 5 states. [2020-10-14 18:34:40,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:40,420 INFO L93 Difference]: Finished difference Result 18746 states and 27258 transitions. [2020-10-14 18:34:40,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 18:34:40,421 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 219 [2020-10-14 18:34:40,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:40,465 INFO L225 Difference]: With dead ends: 18746 [2020-10-14 18:34:40,465 INFO L226 Difference]: Without dead ends: 12714 [2020-10-14 18:34:40,482 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 18:34:40,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12714 states. [2020-10-14 18:34:41,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12714 to 11805. [2020-10-14 18:34:41,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11805 states. [2020-10-14 18:34:41,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11805 states to 11805 states and 16912 transitions. [2020-10-14 18:34:41,088 INFO L78 Accepts]: Start accepts. Automaton has 11805 states and 16912 transitions. Word has length 219 [2020-10-14 18:34:41,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:41,089 INFO L479 AbstractCegarLoop]: Abstraction has 11805 states and 16912 transitions. [2020-10-14 18:34:41,089 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 18:34:41,089 INFO L276 IsEmpty]: Start isEmpty. Operand 11805 states and 16912 transitions. [2020-10-14 18:34:41,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-14 18:34:41,116 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:41,117 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] [2020-10-14 18:34:41,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 18:34:41,117 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:41,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:41,118 INFO L82 PathProgramCache]: Analyzing trace with hash 53260781, now seen corresponding path program 1 times [2020-10-14 18:34:41,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:41,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1545224342] [2020-10-14 18:34:41,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:41,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:41,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:41,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-14 18:34:41,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:41,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-14 18:34:41,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:41,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:41,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:34:41,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 133 [2020-10-14 18:34:41,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 18:34:41,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:41,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:41,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:41,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:41,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:41,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:41,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:34:41,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:41,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:41,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:41,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:41,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:41,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:41,338 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-10-14 18:34:41,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1545224342] [2020-10-14 18:34:41,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:34:41,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:34:41,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765518056] [2020-10-14 18:34:41,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:34:41,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:41,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:34:41,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:34:41,341 INFO L87 Difference]: Start difference. First operand 11805 states and 16912 transitions. Second operand 3 states. [2020-10-14 18:34:41,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:41,827 INFO L93 Difference]: Finished difference Result 21070 states and 30397 transitions. [2020-10-14 18:34:41,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:34:41,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2020-10-14 18:34:41,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:41,856 INFO L225 Difference]: With dead ends: 21070 [2020-10-14 18:34:41,856 INFO L226 Difference]: Without dead ends: 8464 [2020-10-14 18:34:41,887 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 [2020-10-14 18:34:41,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8464 states. [2020-10-14 18:34:42,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8464 to 7374. [2020-10-14 18:34:42,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7374 states. [2020-10-14 18:34:42,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7374 states to 7374 states and 10368 transitions. [2020-10-14 18:34:42,221 INFO L78 Accepts]: Start accepts. Automaton has 7374 states and 10368 transitions. Word has length 230 [2020-10-14 18:34:42,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:42,221 INFO L479 AbstractCegarLoop]: Abstraction has 7374 states and 10368 transitions. [2020-10-14 18:34:42,221 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:34:42,221 INFO L276 IsEmpty]: Start isEmpty. Operand 7374 states and 10368 transitions. [2020-10-14 18:34:42,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-14 18:34:42,239 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:42,239 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] [2020-10-14 18:34:42,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 18:34:42,239 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:42,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:42,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1331633016, now seen corresponding path program 1 times [2020-10-14 18:34:42,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:42,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1100964305] [2020-10-14 18:34:42,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:42,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:42,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:42,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-14 18:34:42,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:42,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-10-14 18:34:42,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:42,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:42,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 18:34:42,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-10-14 18:34:42,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 18:34:42,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:34:42,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:42,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:42,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:42,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:42,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:42,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:34:42,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:42,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:42,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:42,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:42,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:42,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:42,605 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-10-14 18:34:42,606 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1100964305] [2020-10-14 18:34:42,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:34:42,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 18:34:42,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923143518] [2020-10-14 18:34:42,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 18:34:42,607 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:42,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 18:34:42,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 18:34:42,608 INFO L87 Difference]: Start difference. First operand 7374 states and 10368 transitions. Second operand 4 states. [2020-10-14 18:34:43,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:43,078 INFO L93 Difference]: Finished difference Result 12548 states and 17544 transitions. [2020-10-14 18:34:43,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 18:34:43,078 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 258 [2020-10-14 18:34:43,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:43,079 INFO L225 Difference]: With dead ends: 12548 [2020-10-14 18:34:43,079 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 18:34:43,105 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 [2020-10-14 18:34:43,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 18:34:43,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 18:34:43,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 18:34:43,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 18:34:43,106 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 258 [2020-10-14 18:34:43,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:43,107 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 18:34:43,107 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 18:34:43,107 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 18:34:43,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 18:34:43,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 18:34:43,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 18:34:43,421 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 128 [2020-10-14 18:34:44,305 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 135 [2020-10-14 18:34:44,905 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 135 [2020-10-14 18:34:45,127 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 160 [2020-10-14 18:34:45,575 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 30 [2020-10-14 18:34:45,891 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 40 [2020-10-14 18:34:46,274 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 30 [2020-10-14 18:34:46,749 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 47 [2020-10-14 18:34:47,263 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 47 [2020-10-14 18:34:47,458 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 23 [2020-10-14 18:34:47,618 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 23 [2020-10-14 18:34:48,127 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 35 [2020-10-14 18:34:48,362 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 23 [2020-10-14 18:34:48,418 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-14 18:34:48,418 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 18:34:48,418 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 18:34:48,418 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-14 18:34:48,418 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 18:34:48,418 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 18:34:48,419 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 677 688) the Hoare annotation is: true [2020-10-14 18:34:48,419 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 677 688) no Hoare annotation was computed. [2020-10-14 18:34:48,419 INFO L271 CegarLoopResult]: At program point L684(line 684) the Hoare annotation is: true [2020-10-14 18:34:48,419 INFO L268 CegarLoopResult]: For program point L684-1(line 684) no Hoare annotation was computed. [2020-10-14 18:34:48,419 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 677 688) no Hoare annotation was computed. [2020-10-14 18:34:48,419 INFO L264 CegarLoopResult]: At program point L168(lines 167 605) the Hoare annotation is: (let ((.cse1 (not (let ((.cse4 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse4 (+ (* (div .cse4 4294967296) 4294967296) 8672))))) (.cse2 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse3 (not (= ssl3_accept_~s__hit~0 0))) (.cse0 (<= ssl3_accept_~s__state~0 8448))) (or (and (<= ssl3_accept_~blastFlag~0 2) .cse0 .cse1) (and .cse2 .cse3 .cse0 (<= ssl3_accept_~blastFlag~0 3) .cse1) (and (<= ssl3_accept_~blastFlag~0 1) .cse2 .cse3 .cse0) (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (and .cse0 (<= ssl3_accept_~blastFlag~0 0)))) [2020-10-14 18:34:48,420 INFO L264 CegarLoopResult]: At program point L135(lines 128 618) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8656))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 2) (not (let ((.cse1 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse1 (+ (* (div .cse1 4294967296) 4294967296) 8672))))) (and .cse0 (<= ssl3_accept_~blastFlag~0 0)))) [2020-10-14 18:34:48,420 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-14 18:34:48,420 INFO L268 CegarLoopResult]: For program point L631(lines 631 635) no Hoare annotation was computed. [2020-10-14 18:34:48,420 INFO L268 CegarLoopResult]: For program point L203(lines 203 593) no Hoare annotation was computed. [2020-10-14 18:34:48,420 INFO L268 CegarLoopResult]: For program point L170(lines 170 604) no Hoare annotation was computed. [2020-10-14 18:34:48,420 INFO L268 CegarLoopResult]: For program point L137(lines 137 615) no Hoare annotation was computed. [2020-10-14 18:34:48,420 INFO L268 CegarLoopResult]: For program point L104(lines 104 626) no Hoare annotation was computed. [2020-10-14 18:34:48,421 INFO L268 CegarLoopResult]: For program point L336(lines 336 340) no Hoare annotation was computed. [2020-10-14 18:34:48,421 INFO L264 CegarLoopResult]: At program point L204(lines 200 594) the Hoare annotation is: (let ((.cse2 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (let ((.cse0 (<= 8656 ssl3_accept_~s__state~0)) (.cse1 (div .cse2 4294967296))) (or (and (<= ssl3_accept_~blastFlag~0 1) .cse0 (<= (+ (* 2 ssl3_accept_~ag_X~0) (* 2 ssl3_accept_~ag_Y~0)) (+ (* 4294967296 .cse1) ssl3_accept_~s__state~0))) (and .cse0 (<= ssl3_accept_~blastFlag~0 3) (not (= .cse2 (+ (* .cse1 4294967296) 8672))))))) [2020-10-14 18:34:48,421 INFO L271 CegarLoopResult]: At program point L105(lines 104 626) the Hoare annotation is: true [2020-10-14 18:34:48,421 INFO L268 CegarLoopResult]: For program point L469(lines 469 480) no Hoare annotation was computed. [2020-10-14 18:34:48,421 INFO L268 CegarLoopResult]: For program point L436(lines 436 440) no Hoare annotation was computed. [2020-10-14 18:34:48,421 INFO L264 CegarLoopResult]: At program point L370(lines 353 388) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8656))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 2) (not (let ((.cse1 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse1 (+ (* (div .cse1 4294967296) 4294967296) 8672))))) (and .cse0 (<= ssl3_accept_~blastFlag~0 0)))) [2020-10-14 18:34:48,422 INFO L264 CegarLoopResult]: At program point L404(lines 395 426) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8656))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 2) (not (let ((.cse1 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse1 (+ (* (div .cse1 4294967296) 4294967296) 8672))))) (and .cse0 (<= ssl3_accept_~blastFlag~0 0)))) [2020-10-14 18:34:48,422 INFO L268 CegarLoopResult]: For program point L239(lines 239 244) no Hoare annotation was computed. [2020-10-14 18:34:48,422 INFO L268 CegarLoopResult]: For program point L206(lines 206 592) no Hoare annotation was computed. [2020-10-14 18:34:48,422 INFO L268 CegarLoopResult]: For program point L173(lines 173 603) no Hoare annotation was computed. [2020-10-14 18:34:48,422 INFO L268 CegarLoopResult]: For program point L140(lines 140 614) no Hoare annotation was computed. [2020-10-14 18:34:48,422 INFO L268 CegarLoopResult]: For program point L107(lines 107 625) no Hoare annotation was computed. [2020-10-14 18:34:48,423 INFO L268 CegarLoopResult]: For program point L372(lines 372 376) no Hoare annotation was computed. [2020-10-14 18:34:48,423 INFO L271 CegarLoopResult]: At program point L207(lines 206 592) the Hoare annotation is: true [2020-10-14 18:34:48,423 INFO L264 CegarLoopResult]: At program point L174(lines 170 604) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8656))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 2) (not (let ((.cse1 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse1 (+ (* (div .cse1 4294967296) 4294967296) 8672))))) (and .cse0 (<= ssl3_accept_~blastFlag~0 0)))) [2020-10-14 18:34:48,423 INFO L264 CegarLoopResult]: At program point L141(lines 137 615) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8656))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 2) (not (let ((.cse1 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse1 (+ (* (div .cse1 4294967296) 4294967296) 8672))))) (and .cse0 (<= ssl3_accept_~blastFlag~0 0)))) [2020-10-14 18:34:48,423 INFO L268 CegarLoopResult]: For program point L75(lines 75 83) no Hoare annotation was computed. [2020-10-14 18:34:48,423 INFO L268 CegarLoopResult]: For program point L406(lines 406 412) no Hoare annotation was computed. [2020-10-14 18:34:48,424 INFO L271 CegarLoopResult]: At program point ssl3_acceptENTRY(lines 9 676) the Hoare annotation is: true [2020-10-14 18:34:48,424 INFO L268 CegarLoopResult]: For program point L572(lines 572 582) no Hoare annotation was computed. [2020-10-14 18:34:48,424 INFO L268 CegarLoopResult]: For program point L572-1(lines 572 582) no Hoare annotation was computed. [2020-10-14 18:34:48,424 INFO L268 CegarLoopResult]: For program point L473(lines 473 477) no Hoare annotation was computed. [2020-10-14 18:34:48,424 INFO L268 CegarLoopResult]: For program point L275(lines 275 279) no Hoare annotation was computed. [2020-10-14 18:34:48,424 INFO L268 CegarLoopResult]: For program point L176(lines 176 602) no Hoare annotation was computed. [2020-10-14 18:34:48,424 INFO L268 CegarLoopResult]: For program point L143(lines 143 613) no Hoare annotation was computed. [2020-10-14 18:34:48,425 INFO L268 CegarLoopResult]: For program point L110(lines 110 624) no Hoare annotation was computed. [2020-10-14 18:34:48,425 INFO L268 CegarLoopResult]: For program point L507(lines 507 511) no Hoare annotation was computed. [2020-10-14 18:34:48,425 INFO L268 CegarLoopResult]: For program point L309(lines 309 317) no Hoare annotation was computed. [2020-10-14 18:34:48,425 INFO L271 CegarLoopResult]: At program point L210(lines 209 591) the Hoare annotation is: true [2020-10-14 18:34:48,425 INFO L268 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-10-14 18:34:48,425 INFO L268 CegarLoopResult]: For program point L78-2(lines 75 83) no Hoare annotation was computed. [2020-10-14 18:34:48,425 INFO L271 CegarLoopResult]: At program point L673(lines 66 675) the Hoare annotation is: true [2020-10-14 18:34:48,425 INFO L268 CegarLoopResult]: For program point L640(lines 640 646) no Hoare annotation was computed. [2020-10-14 18:34:48,426 INFO L268 CegarLoopResult]: For program point L541(lines 541 546) no Hoare annotation was computed. [2020-10-14 18:34:48,426 INFO L268 CegarLoopResult]: For program point L575(lines 575 579) no Hoare annotation was computed. [2020-10-14 18:34:48,426 INFO L268 CegarLoopResult]: For program point L179(lines 179 601) no Hoare annotation was computed. [2020-10-14 18:34:48,426 INFO L268 CegarLoopResult]: For program point L146(lines 146 612) no Hoare annotation was computed. [2020-10-14 18:34:48,426 INFO L268 CegarLoopResult]: For program point L113(lines 113 623) no Hoare annotation was computed. [2020-10-14 18:34:48,426 INFO L268 CegarLoopResult]: For program point L312(lines 312 316) no Hoare annotation was computed. [2020-10-14 18:34:48,426 INFO L268 CegarLoopResult]: For program point L312-2(lines 211 588) no Hoare annotation was computed. [2020-10-14 18:34:48,427 INFO L264 CegarLoopResult]: At program point L180(lines 176 602) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8656))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 2) (not (let ((.cse1 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse1 (+ (* (div .cse1 4294967296) 4294967296) 8672))))) (and .cse0 (<= ssl3_accept_~blastFlag~0 0)))) [2020-10-14 18:34:48,427 INFO L264 CegarLoopResult]: At program point L147(lines 143 613) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8656))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 2) (not (let ((.cse1 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse1 (+ (* (div .cse1 4294967296) 4294967296) 8672))))) (and .cse0 (<= ssl3_accept_~blastFlag~0 0)))) [2020-10-14 18:34:48,427 INFO L271 CegarLoopResult]: At program point L214(lines 107 625) the Hoare annotation is: true [2020-10-14 18:34:48,427 INFO L268 CegarLoopResult]: For program point L512(lines 512 516) no Hoare annotation was computed. [2020-10-14 18:34:48,427 INFO L268 CegarLoopResult]: For program point L512-2(lines 512 516) no Hoare annotation was computed. [2020-10-14 18:34:48,427 INFO L268 CegarLoopResult]: For program point L446-1(lines 446 458) no Hoare annotation was computed. [2020-10-14 18:34:48,427 INFO L268 CegarLoopResult]: For program point L182(lines 182 600) no Hoare annotation was computed. [2020-10-14 18:34:48,427 INFO L268 CegarLoopResult]: For program point L149(lines 149 611) no Hoare annotation was computed. [2020-10-14 18:34:48,428 INFO L268 CegarLoopResult]: For program point L116(lines 116 622) no Hoare annotation was computed. [2020-10-14 18:34:48,428 INFO L264 CegarLoopResult]: At program point L414(lines 405 425) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8656))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 2) (not (let ((.cse1 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse1 (+ (* (div .cse1 4294967296) 4294967296) 8672))))) (and .cse0 (<= ssl3_accept_~blastFlag~0 0)))) [2020-10-14 18:34:48,428 INFO L268 CegarLoopResult]: For program point L348(lines 348 352) no Hoare annotation was computed. [2020-10-14 18:34:48,428 INFO L268 CegarLoopResult]: For program point L348-2(lines 211 588) no Hoare annotation was computed. [2020-10-14 18:34:48,428 INFO L268 CegarLoopResult]: For program point L85(lines 85 93) no Hoare annotation was computed. [2020-10-14 18:34:48,428 INFO L268 CegarLoopResult]: For program point L85-1(lines 66 675) no Hoare annotation was computed. [2020-10-14 18:34:48,428 INFO L268 CegarLoopResult]: For program point L449(lines 449 454) no Hoare annotation was computed. [2020-10-14 18:34:48,429 INFO L268 CegarLoopResult]: For program point L185(lines 185 599) no Hoare annotation was computed. [2020-10-14 18:34:48,429 INFO L268 CegarLoopResult]: For program point L152(lines 152 610) no Hoare annotation was computed. [2020-10-14 18:34:48,429 INFO L268 CegarLoopResult]: For program point L119(lines 119 621) no Hoare annotation was computed. [2020-10-14 18:34:48,429 INFO L268 CegarLoopResult]: For program point L86(lines 86 90) no Hoare annotation was computed. [2020-10-14 18:34:48,429 INFO L268 CegarLoopResult]: For program point L417(lines 417 421) no Hoare annotation was computed. [2020-10-14 18:34:48,429 INFO L268 CegarLoopResult]: For program point L219(lines 219 223) no Hoare annotation was computed. [2020-10-14 18:34:48,429 INFO L264 CegarLoopResult]: At program point L186(lines 182 600) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8656))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 2) (not (let ((.cse1 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse1 (+ (* (div .cse1 4294967296) 4294967296) 8672))))) (and .cse0 (<= ssl3_accept_~blastFlag~0 0)))) [2020-10-14 18:34:48,430 INFO L264 CegarLoopResult]: At program point L153(lines 149 611) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8656))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 2) (not (let ((.cse1 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse1 (+ (* (div .cse1 4294967296) 4294967296) 8672))))) (and .cse0 (<= ssl3_accept_~blastFlag~0 0)))) [2020-10-14 18:34:48,430 INFO L268 CegarLoopResult]: For program point L219-2(lines 211 588) no Hoare annotation was computed. [2020-10-14 18:34:48,430 INFO L268 CegarLoopResult]: For program point L551(lines 551 555) no Hoare annotation was computed. [2020-10-14 18:34:48,430 INFO L268 CegarLoopResult]: For program point L485(lines 485 489) no Hoare annotation was computed. [2020-10-14 18:34:48,430 INFO L268 CegarLoopResult]: For program point L188(lines 188 598) no Hoare annotation was computed. [2020-10-14 18:34:48,430 INFO L268 CegarLoopResult]: For program point L155(lines 155 609) no Hoare annotation was computed. [2020-10-14 18:34:48,430 INFO L268 CegarLoopResult]: For program point L122(lines 122 620) no Hoare annotation was computed. [2020-10-14 18:34:48,430 INFO L264 CegarLoopResult]: At program point L552(lines 66 675) the Hoare annotation is: false [2020-10-14 18:34:48,431 INFO L268 CegarLoopResult]: For program point ssl3_acceptEXIT(lines 9 676) no Hoare annotation was computed. [2020-10-14 18:34:48,431 INFO L264 CegarLoopResult]: At program point L123(lines 119 621) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8656))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 2) (not (let ((.cse1 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse1 (+ (* (div .cse1 4294967296) 4294967296) 8672))))) (and .cse0 (<= ssl3_accept_~blastFlag~0 0)))) [2020-10-14 18:34:48,431 INFO L268 CegarLoopResult]: For program point L256(lines 256 269) no Hoare annotation was computed. [2020-10-14 18:34:48,431 INFO L268 CegarLoopResult]: For program point L356(lines 356 387) no Hoare annotation was computed. [2020-10-14 18:34:48,431 INFO L268 CegarLoopResult]: For program point L323(lines 323 327) no Hoare annotation was computed. [2020-10-14 18:34:48,431 INFO L268 CegarLoopResult]: For program point L257(lines 257 262) no Hoare annotation was computed. [2020-10-14 18:34:48,431 INFO L268 CegarLoopResult]: For program point L323-2(lines 323 327) no Hoare annotation was computed. [2020-10-14 18:34:48,431 INFO L268 CegarLoopResult]: For program point L191(lines 191 597) no Hoare annotation was computed. [2020-10-14 18:34:48,432 INFO L268 CegarLoopResult]: For program point L158(lines 158 608) no Hoare annotation was computed. [2020-10-14 18:34:48,432 INFO L268 CegarLoopResult]: For program point L125(lines 125 619) no Hoare annotation was computed. [2020-10-14 18:34:48,432 INFO L268 CegarLoopResult]: For program point ssl3_acceptFINAL(lines 9 676) no Hoare annotation was computed. [2020-10-14 18:34:48,432 INFO L268 CegarLoopResult]: For program point L522(lines 522 527) no Hoare annotation was computed. [2020-10-14 18:34:48,432 INFO L264 CegarLoopResult]: At program point L192(lines 188 598) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8656)) (.cse1 (<= 8640 ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 (not (= ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2) (not (let ((.cse2 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse2 (+ (* (div .cse2 4294967296) 4294967296) 8672))))))) [2020-10-14 18:34:48,432 INFO L264 CegarLoopResult]: At program point L159(lines 155 609) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8656))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 2) (not (let ((.cse1 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse1 (+ (* (div .cse1 4294967296) 4294967296) 8672))))) (and .cse0 (<= ssl3_accept_~blastFlag~0 0)))) [2020-10-14 18:34:48,432 INFO L264 CegarLoopResult]: At program point L126(lines 125 619) the Hoare annotation is: (<= ssl3_accept_~s__state~0 8656) [2020-10-14 18:34:48,433 INFO L264 CegarLoopResult]: At program point L589(lines 101 657) the Hoare annotation is: (let ((.cse8 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (let ((.cse9 (* (div .cse8 4294967296) 4294967296))) (let ((.cse7 (<= 8640 ssl3_accept_~s__state~0)) (.cse0 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse1 (not (= ssl3_accept_~s__hit~0 0))) (.cse5 (<= ssl3_accept_~blastFlag~0 1)) (.cse2 (<= ssl3_accept_~s__state~0 8448)) (.cse3 (<= ssl3_accept_~blastFlag~0 3)) (.cse6 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (.cse4 (not (= .cse8 (+ .cse9 8672))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2) (and (<= 8656 ssl3_accept_~s__state~0) .cse3 .cse4) (and .cse5 .cse2 .cse6) (<= ssl3_accept_~s__state~0 3) (and (<= ssl3_accept_~blastFlag~0 2) .cse4) (and .cse7 .cse0 .cse1 .cse3 .cse4) (and .cse5 .cse7 .cse0 .cse1) (and .cse5 (= .cse8 (+ .cse9 ssl3_accept_~s__state~0))) (<= ssl3_accept_~blastFlag~0 0) (and .cse2 .cse3 .cse6 .cse4))))) [2020-10-14 18:34:48,433 INFO L268 CegarLoopResult]: For program point L556(lines 556 560) no Hoare annotation was computed. [2020-10-14 18:34:48,433 INFO L268 CegarLoopResult]: For program point L292(lines 292 296) no Hoare annotation was computed. [2020-10-14 18:34:48,433 INFO L268 CegarLoopResult]: For program point L292-2(lines 211 588) no Hoare annotation was computed. [2020-10-14 18:34:48,433 INFO L268 CegarLoopResult]: For program point L359(lines 359 386) no Hoare annotation was computed. [2020-10-14 18:34:48,433 INFO L268 CegarLoopResult]: For program point L359-1(lines 359 386) no Hoare annotation was computed. [2020-10-14 18:34:48,433 INFO L268 CegarLoopResult]: For program point L194(lines 194 596) no Hoare annotation was computed. [2020-10-14 18:34:48,433 INFO L268 CegarLoopResult]: For program point L161(lines 161 607) no Hoare annotation was computed. [2020-10-14 18:34:48,434 INFO L268 CegarLoopResult]: For program point L128(lines 128 618) no Hoare annotation was computed. [2020-10-14 18:34:48,434 INFO L268 CegarLoopResult]: For program point L360(lines 360 383) no Hoare annotation was computed. [2020-10-14 18:34:48,434 INFO L271 CegarLoopResult]: At program point L658(lines 100 659) the Hoare annotation is: true [2020-10-14 18:34:48,434 INFO L268 CegarLoopResult]: For program point L395(lines 395 426) no Hoare annotation was computed. [2020-10-14 18:34:48,434 INFO L268 CegarLoopResult]: For program point L197(lines 197 595) no Hoare annotation was computed. [2020-10-14 18:34:48,434 INFO L268 CegarLoopResult]: For program point L164(lines 164 606) no Hoare annotation was computed. [2020-10-14 18:34:48,434 INFO L268 CegarLoopResult]: For program point L131(lines 131 617) no Hoare annotation was computed. [2020-10-14 18:34:48,435 INFO L268 CegarLoopResult]: For program point ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION(line 669) no Hoare annotation was computed. [2020-10-14 18:34:48,435 INFO L268 CegarLoopResult]: For program point L627(lines 627 655) no Hoare annotation was computed. [2020-10-14 18:34:48,435 INFO L268 CegarLoopResult]: For program point L396(lines 396 402) no Hoare annotation was computed. [2020-10-14 18:34:48,435 INFO L268 CegarLoopResult]: For program point L363(lines 363 382) no Hoare annotation was computed. [2020-10-14 18:34:48,435 INFO L268 CegarLoopResult]: For program point L231(lines 231 248) no Hoare annotation was computed. [2020-10-14 18:34:48,435 INFO L264 CegarLoopResult]: At program point L198(lines 194 596) the Hoare annotation is: (let ((.cse0 (<= 8656 ssl3_accept_~s__state~0)) (.cse1 (not (= ssl3_accept_~s__state~0 8672)))) (or (and (<= ssl3_accept_~blastFlag~0 1) .cse0 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0) (not (= ssl3_accept_~s__hit~0 0)) .cse1) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 3) (not (let ((.cse2 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse2 (+ (* (div .cse2 4294967296) 4294967296) 8672))))))) [2020-10-14 18:34:48,435 INFO L264 CegarLoopResult]: At program point L165(lines 161 607) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8656))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 2) (not (let ((.cse1 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (= .cse1 (+ (* (div .cse1 4294967296) 4294967296) 8672))))) (and .cse0 (<= ssl3_accept_~blastFlag~0 0)))) [2020-10-14 18:34:48,436 INFO L268 CegarLoopResult]: For program point L231-2(lines 211 588) no Hoare annotation was computed. [2020-10-14 18:34:48,436 INFO L268 CegarLoopResult]: For program point L628(lines 628 652) no Hoare annotation was computed. [2020-10-14 18:34:48,436 INFO L268 CegarLoopResult]: For program point L562(lines 562 566) no Hoare annotation was computed. [2020-10-14 18:34:48,436 INFO L268 CegarLoopResult]: For program point L529(lines 529 533) no Hoare annotation was computed. [2020-10-14 18:34:48,436 INFO L268 CegarLoopResult]: For program point L496(lines 496 500) no Hoare annotation was computed. [2020-10-14 18:34:48,436 INFO L268 CegarLoopResult]: For program point L562-2(lines 562 566) no Hoare annotation was computed. [2020-10-14 18:34:48,436 INFO L268 CegarLoopResult]: For program point L529-2(lines 211 588) no Hoare annotation was computed. [2020-10-14 18:34:48,436 INFO L268 CegarLoopResult]: For program point L364(lines 364 368) no Hoare annotation was computed. [2020-10-14 18:34:48,436 INFO L268 CegarLoopResult]: For program point L364-2(lines 363 380) no Hoare annotation was computed. [2020-10-14 18:34:48,437 INFO L268 CegarLoopResult]: For program point L662(lines 662 666) no Hoare annotation was computed. [2020-10-14 18:34:48,437 INFO L268 CegarLoopResult]: For program point L629(lines 629 638) no Hoare annotation was computed. [2020-10-14 18:34:48,437 INFO L268 CegarLoopResult]: For program point L662-2(lines 662 666) no Hoare annotation was computed. [2020-10-14 18:34:48,437 INFO L268 CegarLoopResult]: For program point L629-2(lines 628 650) no Hoare annotation was computed. [2020-10-14 18:34:48,437 INFO L268 CegarLoopResult]: For program point L464(lines 464 468) no Hoare annotation was computed. [2020-10-14 18:34:48,437 INFO L268 CegarLoopResult]: For program point L332-1(lines 332 341) no Hoare annotation was computed. [2020-10-14 18:34:48,437 INFO L268 CegarLoopResult]: For program point L233(lines 233 238) no Hoare annotation was computed. [2020-10-14 18:34:48,437 INFO L268 CegarLoopResult]: For program point L200(lines 200 594) no Hoare annotation was computed. [2020-10-14 18:34:48,437 INFO L268 CegarLoopResult]: For program point L167(lines 167 605) no Hoare annotation was computed. [2020-10-14 18:34:48,437 INFO L268 CegarLoopResult]: For program point L134(lines 134 616) no Hoare annotation was computed. [2020-10-14 18:34:48,438 INFO L264 CegarLoopResult]: At program point L101-2(lines 101 657) the Hoare annotation is: (let ((.cse8 (+ (* ssl3_accept_~ag_X~0 2) (* ssl3_accept_~ag_Y~0 2)))) (let ((.cse9 (* (div .cse8 4294967296) 4294967296))) (let ((.cse7 (<= 8640 ssl3_accept_~s__state~0)) (.cse0 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse1 (not (= ssl3_accept_~s__hit~0 0))) (.cse5 (<= ssl3_accept_~blastFlag~0 1)) (.cse2 (<= ssl3_accept_~s__state~0 8448)) (.cse3 (<= ssl3_accept_~blastFlag~0 3)) (.cse6 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (.cse4 (not (= .cse8 (+ .cse9 8672))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2) (and (<= 8656 ssl3_accept_~s__state~0) .cse3 .cse4) (and .cse5 .cse2 .cse6) (<= ssl3_accept_~s__state~0 3) (and (<= ssl3_accept_~blastFlag~0 2) .cse4) (and .cse7 .cse0 .cse1 .cse3 .cse4) (and .cse5 .cse7 .cse0 .cse1) (and .cse5 (= .cse8 (+ .cse9 ssl3_accept_~s__state~0))) (<= ssl3_accept_~blastFlag~0 0) (and .cse2 .cse3 .cse6 .cse4))))) [2020-10-14 18:34:48,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:34:48 BoogieIcfgContainer [2020-10-14 18:34:48,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 18:34:48,487 INFO L168 Benchmark]: Toolchain (without parser) took 29266.79 ms. Allocated memory was 147.8 MB in the beginning and 787.0 MB in the end (delta: 639.1 MB). Free memory was 102.0 MB in the beginning and 79.9 MB in the end (delta: 22.2 MB). Peak memory consumption was 682.3 MB. Max. memory is 7.1 GB. [2020-10-14 18:34:48,488 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 147.8 MB. Free memory was 121.1 MB in the beginning and 120.7 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 18:34:48,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 523.78 ms. Allocated memory was 147.8 MB in the beginning and 204.5 MB in the end (delta: 56.6 MB). Free memory was 102.0 MB in the beginning and 179.6 MB in the end (delta: -77.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-10-14 18:34:48,493 INFO L168 Benchmark]: Boogie Preprocessor took 53.30 ms. Allocated memory is still 204.5 MB. Free memory was 179.6 MB in the beginning and 176.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-14 18:34:48,494 INFO L168 Benchmark]: RCFGBuilder took 765.08 ms. Allocated memory is still 204.5 MB. Free memory was 176.8 MB in the beginning and 128.2 MB in the end (delta: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. [2020-10-14 18:34:48,495 INFO L168 Benchmark]: TraceAbstraction took 27919.60 ms. Allocated memory was 204.5 MB in the beginning and 787.0 MB in the end (delta: 582.5 MB). Free memory was 127.2 MB in the beginning and 79.9 MB in the end (delta: 47.4 MB). Peak memory consumption was 650.8 MB. Max. memory is 7.1 GB. [2020-10-14 18:34:48,500 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 147.8 MB. Free memory was 121.1 MB in the beginning and 120.7 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 523.78 ms. Allocated memory was 147.8 MB in the beginning and 204.5 MB in the end (delta: 56.6 MB). Free memory was 102.0 MB in the beginning and 179.6 MB in the end (delta: -77.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.30 ms. Allocated memory is still 204.5 MB. Free memory was 179.6 MB in the beginning and 176.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 765.08 ms. Allocated memory is still 204.5 MB. Free memory was 176.8 MB in the beginning and 128.2 MB in the end (delta: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27919.60 ms. Allocated memory was 204.5 MB in the beginning and 787.0 MB in the end (delta: 582.5 MB). Free memory was 127.2 MB in the beginning and 79.9 MB in the end (delta: 47.4 MB). Peak memory consumption was 650.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 669]: 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: 200]: Loop Invariant Derived loop invariant: ((blastFlag <= 1 && 8656 <= s__state) && 2 * ag_X + 2 * ag_Y <= 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + s__state) || ((8656 <= s__state && blastFlag <= 3) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: ((s__state <= 8656 && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) || (s__state <= 8656 && blastFlag <= 0) - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: ((s__state <= 8656 && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) || (s__state <= 8656 && blastFlag <= 0) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((s__state <= 8656 && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) || (s__state <= 8656 && blastFlag <= 0) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((blastFlag <= 2 && s__state <= 8448) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) || ((((8640 <= s__s3__tmp__next_state___0 && !(s__hit == 0)) && s__state <= 8448) && blastFlag <= 3) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || (((blastFlag <= 1 && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && s__state <= 8448)) || (s__state <= 8656 && s__s3__tmp__next_state___0 <= 3)) || (s__state <= 8448 && blastFlag <= 0) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: s__state <= 8656 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: ((s__state <= 8656 && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) || (s__state <= 8656 && blastFlag <= 0) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((s__state <= 8656 && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) || (s__state <= 8656 && blastFlag <= 0) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((s__state <= 8656 && 8640 <= s__state) && blastFlag <= 0) || (s__state <= 8656 && !(s__hit == 0))) || (((s__state <= 8656 && 8640 <= s__state) && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((((((((((((8640 <= s__s3__tmp__next_state___0 && !(s__hit == 0)) && s__state <= 8448) && blastFlag <= 3) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) || (((blastFlag <= 1 && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && s__state <= 8448)) || ((8656 <= s__state && blastFlag <= 3) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || ((blastFlag <= 1 && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3)) || s__state <= 3) || (blastFlag <= 2 && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || ((((8640 <= s__state && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && blastFlag <= 3) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || (((blastFlag <= 1 && 8640 <= s__state) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0))) || (blastFlag <= 1 && ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + s__state)) || blastFlag <= 0) || (((s__state <= 8448 && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((s__state <= 8656 && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) || (s__state <= 8656 && blastFlag <= 0) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((((((((((((8640 <= s__s3__tmp__next_state___0 && !(s__hit == 0)) && s__state <= 8448) && blastFlag <= 3) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) || (((blastFlag <= 1 && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && s__state <= 8448)) || ((8656 <= s__state && blastFlag <= 3) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || ((blastFlag <= 1 && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3)) || s__state <= 3) || (blastFlag <= 2 && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || ((((8640 <= s__state && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && blastFlag <= 3) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672))) || (((blastFlag <= 1 && 8640 <= s__state) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0))) || (blastFlag <= 1 && ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + s__state)) || blastFlag <= 0) || (((s__state <= 8448 && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: ((s__state <= 8656 && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) || (s__state <= 8656 && blastFlag <= 0) - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: ((s__state <= 8656 && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) || (s__state <= 8656 && blastFlag <= 0) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: ((s__state <= 8656 && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) || (s__state <= 8656 && blastFlag <= 0) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: (((((blastFlag <= 1 && 8656 <= s__state) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && !(s__state == 8672)) || ((8656 <= s__state && !(s__state == 8672)) && blastFlag <= 0)) || (((8656 <= s__state && !(s__state == 8672)) && blastFlag <= 3) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: ((s__state <= 8656 && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) || (s__state <= 8656 && blastFlag <= 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((s__state <= 8656 && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) || (s__state <= 8656 && blastFlag <= 0) - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: ((s__state <= 8656 && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) || (s__state <= 8656 && blastFlag <= 0) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: ((s__state <= 8656 && blastFlag <= 2) && !(ag_X * 2 + ag_Y * 2 == (ag_X * 2 + ag_Y * 2) / 4294967296 * 4294967296 + 8672)) || (s__state <= 8656 && blastFlag <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 146 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.4s, OverallIterations: 13, TraceHistogramMax: 8, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3353 SDtfs, 1844 SDslu, 2874 SDs, 0 SdLazy, 2423 SolverSat, 326 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11805occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 6564 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 749 NumberOfFragments, 1221 HoareAnnotationTreeSize, 33 FomulaSimplifications, 126610 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 33 FomulaSimplificationsInter, 24914 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 10.6s InterpolantComputationTime, 2015 NumberOfCodeBlocks, 2015 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2002 ConstructedInterpolants, 0 QuantifiedInterpolants, 2066206 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 8 PerfectInterpolantSequences, 2783/3041 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...