/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 --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 05:35:57,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 05:35:57,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 05:35:57,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 05:35:57,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 05:35:57,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 05:35:57,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 05:35:57,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 05:35:57,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 05:35:57,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 05:35:57,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 05:35:57,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 05:35:57,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 05:35:57,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 05:35:57,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 05:35:57,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 05:35:57,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 05:35:57,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 05:35:57,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 05:35:57,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 05:35:57,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 05:35:57,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 05:35:57,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 05:35:57,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 05:35:57,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 05:35:57,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 05:35:57,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 05:35:57,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 05:35:57,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 05:35:57,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 05:35:57,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 05:35:57,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 05:35:57,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 05:35:57,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 05:35:57,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 05:35:57,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 05:35:57,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 05:35:57,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 05:35:57,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 05:35:57,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 05:35:57,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 05:35:57,147 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 [2020-08-22 05:35:57,189 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 05:35:57,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 05:35:57,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 05:35:57,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 05:35:57,191 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 05:35:57,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 05:35:57,191 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 05:35:57,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 05:35:57,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 05:35:57,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 05:35:57,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 05:35:57,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 05:35:57,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 05:35:57,194 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 05:35:57,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 05:35:57,195 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 05:35:57,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 05:35:57,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 05:35:57,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 05:35:57,196 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 05:35:57,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 05:35:57,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 05:35:57,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 05:35:57,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 05:35:57,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 05:35:57,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 05:35:57,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 05:35:57,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 05:35:57,198 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 05:35:57,198 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.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-08-22 05:35:57,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 05:35:57,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 05:35:57,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 05:35:57,520 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 05:35:57,520 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 05:35:57,521 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2020-08-22 05:35:57,578 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fbe97996b/228d94ada91540c799900de64aa70830/FLAG799c482d9 [2020-08-22 05:35:58,095 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 05:35:58,095 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2020-08-22 05:35:58,104 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fbe97996b/228d94ada91540c799900de64aa70830/FLAG799c482d9 [2020-08-22 05:35:58,409 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fbe97996b/228d94ada91540c799900de64aa70830 [2020-08-22 05:35:58,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 05:35:58,420 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 05:35:58,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 05:35:58,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 05:35:58,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 05:35:58,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 05:35:58" (1/1) ... [2020-08-22 05:35:58,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc622fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:35:58, skipping insertion in model container [2020-08-22 05:35:58,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 05:35:58" (1/1) ... [2020-08-22 05:35:58,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 05:35:58,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 05:35:58,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 05:35:58,674 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 05:35:58,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 05:35:58,728 INFO L208 MainTranslator]: Completed translation [2020-08-22 05:35:58,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:35:58 WrapperNode [2020-08-22 05:35:58,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 05:35:58,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 05:35:58,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 05:35:58,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 05:35:58,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:35:58" (1/1) ... [2020-08-22 05:35:58,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:35:58" (1/1) ... [2020-08-22 05:35:58,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:35:58" (1/1) ... [2020-08-22 05:35:58,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:35:58" (1/1) ... [2020-08-22 05:35:58,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:35:58" (1/1) ... [2020-08-22 05:35:58,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:35:58" (1/1) ... [2020-08-22 05:35:58,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:35:58" (1/1) ... [2020-08-22 05:35:58,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 05:35:58,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 05:35:58,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 05:35:58,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 05:35:58,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:35:58" (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 [2020-08-22 05:35:58,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 05:35:58,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 05:35:58,927 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-22 05:35:58,927 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 05:35:58,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 05:35:58,927 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-22 05:35:58,928 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-22 05:35:58,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-22 05:35:58,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 05:35:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 05:35:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 05:35:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 05:35:59,346 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 05:35:59,347 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 05:35:59,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 05:35:59 BoogieIcfgContainer [2020-08-22 05:35:59,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 05:35:59,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 05:35:59,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 05:35:59,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 05:35:59,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 05:35:58" (1/3) ... [2020-08-22 05:35:59,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a388ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 05:35:59, skipping insertion in model container [2020-08-22 05:35:59,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:35:58" (2/3) ... [2020-08-22 05:35:59,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a388ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 05:35:59, skipping insertion in model container [2020-08-22 05:35:59,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 05:35:59" (3/3) ... [2020-08-22 05:35:59,362 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.v+lhb-reducer.c [2020-08-22 05:35:59,374 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 05:35:59,381 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 18 error locations. [2020-08-22 05:35:59,400 INFO L251 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2020-08-22 05:35:59,429 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 05:35:59,429 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 05:35:59,430 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 05:35:59,430 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 05:35:59,430 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 05:35:59,430 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 05:35:59,431 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 05:35:59,431 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 05:35:59,457 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-08-22 05:35:59,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-08-22 05:35:59,464 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:35:59,465 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:35:59,466 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:35:59,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:35:59,472 INFO L82 PathProgramCache]: Analyzing trace with hash -452302183, now seen corresponding path program 1 times [2020-08-22 05:35:59,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:35:59,479 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [218346129] [2020-08-22 05:35:59,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:35:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:35:59,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:35:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:35:59,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:35:59,723 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [218346129] [2020-08-22 05:35:59,725 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:35:59,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 05:35:59,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822585524] [2020-08-22 05:35:59,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 05:35:59,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:35:59,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 05:35:59,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 05:35:59,746 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 5 states. [2020-08-22 05:36:00,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:36:00,147 INFO L93 Difference]: Finished difference Result 135 states and 178 transitions. [2020-08-22 05:36:00,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 05:36:00,149 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-08-22 05:36:00,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:36:00,161 INFO L225 Difference]: With dead ends: 135 [2020-08-22 05:36:00,161 INFO L226 Difference]: Without dead ends: 111 [2020-08-22 05:36:00,166 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-08-22 05:36:00,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-08-22 05:36:00,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 73. [2020-08-22 05:36:00,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-08-22 05:36:00,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 77 transitions. [2020-08-22 05:36:00,219 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 77 transitions. Word has length 12 [2020-08-22 05:36:00,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:36:00,220 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 77 transitions. [2020-08-22 05:36:00,220 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 05:36:00,220 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2020-08-22 05:36:00,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-08-22 05:36:00,221 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:36:00,221 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:36:00,222 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 05:36:00,222 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:36:00,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:36:00,223 INFO L82 PathProgramCache]: Analyzing trace with hash -449131431, now seen corresponding path program 1 times [2020-08-22 05:36:00,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:36:00,224 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1131478351] [2020-08-22 05:36:00,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:36:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:00,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:36:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:00,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:36:00,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1131478351] [2020-08-22 05:36:00,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:36:00,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 05:36:00,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406975888] [2020-08-22 05:36:00,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 05:36:00,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:36:00,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 05:36:00,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 05:36:00,347 INFO L87 Difference]: Start difference. First operand 73 states and 77 transitions. Second operand 5 states. [2020-08-22 05:36:00,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:36:00,633 INFO L93 Difference]: Finished difference Result 111 states and 117 transitions. [2020-08-22 05:36:00,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 05:36:00,634 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-08-22 05:36:00,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:36:00,636 INFO L225 Difference]: With dead ends: 111 [2020-08-22 05:36:00,636 INFO L226 Difference]: Without dead ends: 109 [2020-08-22 05:36:00,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-08-22 05:36:00,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-22 05:36:00,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 71. [2020-08-22 05:36:00,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-08-22 05:36:00,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 75 transitions. [2020-08-22 05:36:00,650 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 75 transitions. Word has length 12 [2020-08-22 05:36:00,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:36:00,651 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 75 transitions. [2020-08-22 05:36:00,651 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 05:36:00,651 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2020-08-22 05:36:00,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-08-22 05:36:00,652 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:36:00,652 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:36:00,652 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 05:36:00,653 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:36:00,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:36:00,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1218997650, now seen corresponding path program 1 times [2020-08-22 05:36:00,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:36:00,654 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2124736514] [2020-08-22 05:36:00,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:36:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:00,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:36:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:00,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:36:00,743 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2124736514] [2020-08-22 05:36:00,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:36:00,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 05:36:00,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360831085] [2020-08-22 05:36:00,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 05:36:00,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:36:00,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 05:36:00,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 05:36:00,745 INFO L87 Difference]: Start difference. First operand 71 states and 75 transitions. Second operand 6 states. [2020-08-22 05:36:00,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:36:00,922 INFO L93 Difference]: Finished difference Result 73 states and 77 transitions. [2020-08-22 05:36:00,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 05:36:00,922 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-08-22 05:36:00,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:36:00,923 INFO L225 Difference]: With dead ends: 73 [2020-08-22 05:36:00,924 INFO L226 Difference]: Without dead ends: 71 [2020-08-22 05:36:00,924 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-08-22 05:36:00,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-08-22 05:36:00,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2020-08-22 05:36:00,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-08-22 05:36:00,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 73 transitions. [2020-08-22 05:36:00,934 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 73 transitions. Word has length 15 [2020-08-22 05:36:00,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:36:00,934 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 73 transitions. [2020-08-22 05:36:00,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 05:36:00,935 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2020-08-22 05:36:00,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-08-22 05:36:00,935 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:36:00,936 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:36:00,936 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 05:36:00,937 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:36:00,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:36:00,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1248304044, now seen corresponding path program 1 times [2020-08-22 05:36:00,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:36:00,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [159886474] [2020-08-22 05:36:00,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:36:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:01,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:36:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:01,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:36:01,082 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [159886474] [2020-08-22 05:36:01,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:36:01,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 05:36:01,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599263981] [2020-08-22 05:36:01,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 05:36:01,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:36:01,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 05:36:01,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 05:36:01,089 INFO L87 Difference]: Start difference. First operand 69 states and 73 transitions. Second operand 6 states. [2020-08-22 05:36:01,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:36:01,287 INFO L93 Difference]: Finished difference Result 71 states and 75 transitions. [2020-08-22 05:36:01,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 05:36:01,288 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-08-22 05:36:01,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:36:01,289 INFO L225 Difference]: With dead ends: 71 [2020-08-22 05:36:01,289 INFO L226 Difference]: Without dead ends: 69 [2020-08-22 05:36:01,290 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-08-22 05:36:01,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-08-22 05:36:01,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2020-08-22 05:36:01,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-08-22 05:36:01,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 71 transitions. [2020-08-22 05:36:01,299 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 71 transitions. Word has length 15 [2020-08-22 05:36:01,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:36:01,300 INFO L479 AbstractCegarLoop]: Abstraction has 67 states and 71 transitions. [2020-08-22 05:36:01,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 05:36:01,300 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2020-08-22 05:36:01,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-08-22 05:36:01,301 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:36:01,302 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:36:01,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 05:36:01,302 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:36:01,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:36:01,303 INFO L82 PathProgramCache]: Analyzing trace with hash 865781601, now seen corresponding path program 1 times [2020-08-22 05:36:01,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:36:01,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [37597618] [2020-08-22 05:36:01,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:36:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:01,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:36:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:01,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:36:01,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [37597618] [2020-08-22 05:36:01,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:36:01,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 05:36:01,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670381349] [2020-08-22 05:36:01,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 05:36:01,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:36:01,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 05:36:01,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 05:36:01,364 INFO L87 Difference]: Start difference. First operand 67 states and 71 transitions. Second operand 5 states. [2020-08-22 05:36:01,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:36:01,532 INFO L93 Difference]: Finished difference Result 69 states and 73 transitions. [2020-08-22 05:36:01,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 05:36:01,540 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-08-22 05:36:01,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:36:01,542 INFO L225 Difference]: With dead ends: 69 [2020-08-22 05:36:01,542 INFO L226 Difference]: Without dead ends: 65 [2020-08-22 05:36:01,543 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-22 05:36:01,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-08-22 05:36:01,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2020-08-22 05:36:01,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-08-22 05:36:01,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2020-08-22 05:36:01,559 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 16 [2020-08-22 05:36:01,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:36:01,559 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2020-08-22 05:36:01,559 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 05:36:01,559 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2020-08-22 05:36:01,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-08-22 05:36:01,560 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:36:01,560 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:36:01,561 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 05:36:01,561 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:36:01,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:36:01,561 INFO L82 PathProgramCache]: Analyzing trace with hash -42274612, now seen corresponding path program 1 times [2020-08-22 05:36:01,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:36:01,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [987499744] [2020-08-22 05:36:01,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:36:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:01,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:36:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:01,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:36:01,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [987499744] [2020-08-22 05:36:01,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:36:01,681 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 05:36:01,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186009276] [2020-08-22 05:36:01,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 05:36:01,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:36:01,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 05:36:01,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 05:36:01,683 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand 6 states. [2020-08-22 05:36:01,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:36:01,939 INFO L93 Difference]: Finished difference Result 108 states and 115 transitions. [2020-08-22 05:36:01,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 05:36:01,939 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-08-22 05:36:01,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:36:01,941 INFO L225 Difference]: With dead ends: 108 [2020-08-22 05:36:01,941 INFO L226 Difference]: Without dead ends: 106 [2020-08-22 05:36:01,941 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-08-22 05:36:01,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-08-22 05:36:01,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 61. [2020-08-22 05:36:01,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-08-22 05:36:01,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 65 transitions. [2020-08-22 05:36:01,956 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 65 transitions. Word has length 16 [2020-08-22 05:36:01,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:36:01,957 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 65 transitions. [2020-08-22 05:36:01,957 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 05:36:01,957 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2020-08-22 05:36:01,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-08-22 05:36:01,958 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:36:01,958 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:36:01,959 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 05:36:01,959 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:36:01,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:36:01,959 INFO L82 PathProgramCache]: Analyzing trace with hash -42288514, now seen corresponding path program 1 times [2020-08-22 05:36:01,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:36:01,960 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1641846628] [2020-08-22 05:36:01,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:36:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:02,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:36:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:02,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:36:02,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1641846628] [2020-08-22 05:36:02,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:36:02,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 05:36:02,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630006419] [2020-08-22 05:36:02,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 05:36:02,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:36:02,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 05:36:02,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 05:36:02,039 INFO L87 Difference]: Start difference. First operand 61 states and 65 transitions. Second operand 6 states. [2020-08-22 05:36:02,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:36:02,255 INFO L93 Difference]: Finished difference Result 93 states and 99 transitions. [2020-08-22 05:36:02,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 05:36:02,255 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-08-22 05:36:02,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:36:02,256 INFO L225 Difference]: With dead ends: 93 [2020-08-22 05:36:02,257 INFO L226 Difference]: Without dead ends: 91 [2020-08-22 05:36:02,257 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-08-22 05:36:02,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-08-22 05:36:02,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 59. [2020-08-22 05:36:02,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-08-22 05:36:02,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 63 transitions. [2020-08-22 05:36:02,263 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 63 transitions. Word has length 16 [2020-08-22 05:36:02,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:36:02,264 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 63 transitions. [2020-08-22 05:36:02,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 05:36:02,264 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2020-08-22 05:36:02,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-08-22 05:36:02,265 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:36:02,265 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:36:02,265 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 05:36:02,266 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:36:02,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:36:02,266 INFO L82 PathProgramCache]: Analyzing trace with hash -42716511, now seen corresponding path program 1 times [2020-08-22 05:36:02,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:36:02,267 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1150197281] [2020-08-22 05:36:02,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:36:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:02,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:36:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:02,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:36:02,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1150197281] [2020-08-22 05:36:02,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:36:02,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 05:36:02,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061878361] [2020-08-22 05:36:02,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 05:36:02,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:36:02,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 05:36:02,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 05:36:02,346 INFO L87 Difference]: Start difference. First operand 59 states and 63 transitions. Second operand 5 states. [2020-08-22 05:36:02,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:36:02,458 INFO L93 Difference]: Finished difference Result 61 states and 65 transitions. [2020-08-22 05:36:02,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 05:36:02,462 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-08-22 05:36:02,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:36:02,463 INFO L225 Difference]: With dead ends: 61 [2020-08-22 05:36:02,463 INFO L226 Difference]: Without dead ends: 57 [2020-08-22 05:36:02,464 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-22 05:36:02,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-22 05:36:02,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 55. [2020-08-22 05:36:02,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-08-22 05:36:02,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2020-08-22 05:36:02,469 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 16 [2020-08-22 05:36:02,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:36:02,470 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2020-08-22 05:36:02,470 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 05:36:02,470 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2020-08-22 05:36:02,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-08-22 05:36:02,471 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:36:02,471 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:36:02,471 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 05:36:02,472 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:36:02,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:36:02,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1083648192, now seen corresponding path program 1 times [2020-08-22 05:36:02,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:36:02,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [268659667] [2020-08-22 05:36:02,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:36:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:02,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:36:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:02,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:36:02,547 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [268659667] [2020-08-22 05:36:02,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:36:02,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 05:36:02,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256659864] [2020-08-22 05:36:02,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 05:36:02,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:36:02,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 05:36:02,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 05:36:02,549 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand 6 states. [2020-08-22 05:36:02,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:36:02,716 INFO L93 Difference]: Finished difference Result 74 states and 80 transitions. [2020-08-22 05:36:02,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 05:36:02,716 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-08-22 05:36:02,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:36:02,717 INFO L225 Difference]: With dead ends: 74 [2020-08-22 05:36:02,717 INFO L226 Difference]: Without dead ends: 72 [2020-08-22 05:36:02,718 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-08-22 05:36:02,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-08-22 05:36:02,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 53. [2020-08-22 05:36:02,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-08-22 05:36:02,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2020-08-22 05:36:02,723 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 17 [2020-08-22 05:36:02,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:36:02,724 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2020-08-22 05:36:02,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 05:36:02,724 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2020-08-22 05:36:02,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-08-22 05:36:02,725 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:36:02,725 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:36:02,725 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 05:36:02,726 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:36:02,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:36:02,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1085187392, now seen corresponding path program 1 times [2020-08-22 05:36:02,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:36:02,727 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [577537587] [2020-08-22 05:36:02,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:36:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:02,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:36:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:02,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:36:02,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [577537587] [2020-08-22 05:36:02,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:36:02,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 05:36:02,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058224267] [2020-08-22 05:36:02,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 05:36:02,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:36:02,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 05:36:02,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 05:36:02,786 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand 6 states. [2020-08-22 05:36:02,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:36:02,926 INFO L93 Difference]: Finished difference Result 55 states and 59 transitions. [2020-08-22 05:36:02,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 05:36:02,927 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-08-22 05:36:02,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:36:02,928 INFO L225 Difference]: With dead ends: 55 [2020-08-22 05:36:02,928 INFO L226 Difference]: Without dead ends: 53 [2020-08-22 05:36:02,929 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-08-22 05:36:02,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-08-22 05:36:02,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2020-08-22 05:36:02,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-08-22 05:36:02,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2020-08-22 05:36:02,934 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 17 [2020-08-22 05:36:02,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:36:02,935 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2020-08-22 05:36:02,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 05:36:02,935 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2020-08-22 05:36:02,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-08-22 05:36:02,936 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:36:02,936 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:36:02,936 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 05:36:02,936 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:36:02,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:36:02,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1310509752, now seen corresponding path program 1 times [2020-08-22 05:36:02,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:36:02,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1234215445] [2020-08-22 05:36:02,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:36:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:03,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:36:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:03,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:36:03,024 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1234215445] [2020-08-22 05:36:03,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:36:03,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 05:36:03,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586469441] [2020-08-22 05:36:03,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 05:36:03,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:36:03,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 05:36:03,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 05:36:03,026 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand 6 states. [2020-08-22 05:36:03,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:36:03,234 INFO L93 Difference]: Finished difference Result 86 states and 93 transitions. [2020-08-22 05:36:03,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 05:36:03,235 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-08-22 05:36:03,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:36:03,236 INFO L225 Difference]: With dead ends: 86 [2020-08-22 05:36:03,236 INFO L226 Difference]: Without dead ends: 84 [2020-08-22 05:36:03,236 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-08-22 05:36:03,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-08-22 05:36:03,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 49. [2020-08-22 05:36:03,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-08-22 05:36:03,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2020-08-22 05:36:03,242 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 17 [2020-08-22 05:36:03,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:36:03,242 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2020-08-22 05:36:03,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 05:36:03,242 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2020-08-22 05:36:03,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-08-22 05:36:03,243 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:36:03,243 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:36:03,243 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 05:36:03,244 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:36:03,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:36:03,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1310940728, now seen corresponding path program 1 times [2020-08-22 05:36:03,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:36:03,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1021922411] [2020-08-22 05:36:03,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:36:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:03,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:36:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:03,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:36:03,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1021922411] [2020-08-22 05:36:03,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:36:03,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 05:36:03,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583912064] [2020-08-22 05:36:03,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 05:36:03,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:36:03,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 05:36:03,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 05:36:03,339 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand 6 states. [2020-08-22 05:36:03,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:36:03,536 INFO L93 Difference]: Finished difference Result 76 states and 82 transitions. [2020-08-22 05:36:03,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 05:36:03,537 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-08-22 05:36:03,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:36:03,538 INFO L225 Difference]: With dead ends: 76 [2020-08-22 05:36:03,538 INFO L226 Difference]: Without dead ends: 74 [2020-08-22 05:36:03,539 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-08-22 05:36:03,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-08-22 05:36:03,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 47. [2020-08-22 05:36:03,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-08-22 05:36:03,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2020-08-22 05:36:03,544 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 17 [2020-08-22 05:36:03,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:36:03,544 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2020-08-22 05:36:03,545 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 05:36:03,545 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2020-08-22 05:36:03,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-08-22 05:36:03,545 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:36:03,546 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:36:03,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-22 05:36:03,546 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:36:03,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:36:03,547 INFO L82 PathProgramCache]: Analyzing trace with hash -765275888, now seen corresponding path program 1 times [2020-08-22 05:36:03,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:36:03,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [446145441] [2020-08-22 05:36:03,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:36:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:03,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:36:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:03,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:36:03,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [446145441] [2020-08-22 05:36:03,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:36:03,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 05:36:03,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184526353] [2020-08-22 05:36:03,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 05:36:03,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:36:03,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 05:36:03,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 05:36:03,596 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand 6 states. [2020-08-22 05:36:03,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:36:03,761 INFO L93 Difference]: Finished difference Result 69 states and 75 transitions. [2020-08-22 05:36:03,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 05:36:03,762 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2020-08-22 05:36:03,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:36:03,763 INFO L225 Difference]: With dead ends: 69 [2020-08-22 05:36:03,763 INFO L226 Difference]: Without dead ends: 67 [2020-08-22 05:36:03,764 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-08-22 05:36:03,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-08-22 05:36:03,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 45. [2020-08-22 05:36:03,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-08-22 05:36:03,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2020-08-22 05:36:03,768 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 18 [2020-08-22 05:36:03,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:36:03,768 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2020-08-22 05:36:03,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 05:36:03,768 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2020-08-22 05:36:03,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-08-22 05:36:03,769 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:36:03,769 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:36:03,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-22 05:36:03,770 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:36:03,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:36:03,770 INFO L82 PathProgramCache]: Analyzing trace with hash -766641308, now seen corresponding path program 1 times [2020-08-22 05:36:03,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:36:03,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [193835679] [2020-08-22 05:36:03,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:36:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:03,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:36:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:03,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:36:03,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [193835679] [2020-08-22 05:36:03,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:36:03,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 05:36:03,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701759556] [2020-08-22 05:36:03,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 05:36:03,838 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:36:03,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 05:36:03,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 05:36:03,839 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand 6 states. [2020-08-22 05:36:04,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:36:04,009 INFO L93 Difference]: Finished difference Result 59 states and 65 transitions. [2020-08-22 05:36:04,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 05:36:04,010 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2020-08-22 05:36:04,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:36:04,011 INFO L225 Difference]: With dead ends: 59 [2020-08-22 05:36:04,011 INFO L226 Difference]: Without dead ends: 57 [2020-08-22 05:36:04,011 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-08-22 05:36:04,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-22 05:36:04,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 43. [2020-08-22 05:36:04,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-08-22 05:36:04,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2020-08-22 05:36:04,016 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 18 [2020-08-22 05:36:04,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:36:04,016 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2020-08-22 05:36:04,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 05:36:04,017 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2020-08-22 05:36:04,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-08-22 05:36:04,017 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:36:04,018 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:36:04,018 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-22 05:36:04,018 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:36:04,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:36:04,018 INFO L82 PathProgramCache]: Analyzing trace with hash -718926058, now seen corresponding path program 1 times [2020-08-22 05:36:04,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:36:04,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1675541582] [2020-08-22 05:36:04,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:36:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:04,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:36:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:04,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:36:04,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1675541582] [2020-08-22 05:36:04,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:36:04,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 05:36:04,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388087504] [2020-08-22 05:36:04,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 05:36:04,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:36:04,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 05:36:04,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 05:36:04,090 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 6 states. [2020-08-22 05:36:04,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:36:04,241 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2020-08-22 05:36:04,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 05:36:04,242 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2020-08-22 05:36:04,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:36:04,243 INFO L225 Difference]: With dead ends: 43 [2020-08-22 05:36:04,244 INFO L226 Difference]: Without dead ends: 39 [2020-08-22 05:36:04,244 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-08-22 05:36:04,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-08-22 05:36:04,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-08-22 05:36:04,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-08-22 05:36:04,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2020-08-22 05:36:04,250 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 18 [2020-08-22 05:36:04,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:36:04,250 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2020-08-22 05:36:04,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 05:36:04,250 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2020-08-22 05:36:04,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-08-22 05:36:04,251 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:36:04,251 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:36:04,252 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-22 05:36:04,252 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:36:04,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:36:04,252 INFO L82 PathProgramCache]: Analyzing trace with hash 2046254387, now seen corresponding path program 1 times [2020-08-22 05:36:04,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:36:04,253 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1280931322] [2020-08-22 05:36:04,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:36:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:04,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:36:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:04,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:36:04,326 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1280931322] [2020-08-22 05:36:04,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:36:04,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 05:36:04,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102825502] [2020-08-22 05:36:04,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 05:36:04,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:36:04,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 05:36:04,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 05:36:04,328 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 6 states. [2020-08-22 05:36:04,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:36:04,491 INFO L93 Difference]: Finished difference Result 54 states and 60 transitions. [2020-08-22 05:36:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 05:36:04,492 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-08-22 05:36:04,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:36:04,493 INFO L225 Difference]: With dead ends: 54 [2020-08-22 05:36:04,493 INFO L226 Difference]: Without dead ends: 52 [2020-08-22 05:36:04,494 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-08-22 05:36:04,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-08-22 05:36:04,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 37. [2020-08-22 05:36:04,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-08-22 05:36:04,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2020-08-22 05:36:04,498 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 19 [2020-08-22 05:36:04,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:36:04,498 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2020-08-22 05:36:04,498 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 05:36:04,499 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2020-08-22 05:36:04,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-08-22 05:36:04,500 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:36:04,500 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] [2020-08-22 05:36:04,500 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-22 05:36:04,500 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:36:04,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:36:04,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1992174599, now seen corresponding path program 1 times [2020-08-22 05:36:04,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:36:04,501 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1824392023] [2020-08-22 05:36:04,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:36:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:04,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:36:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:04,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:36:04,555 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1824392023] [2020-08-22 05:36:04,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:36:04,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 05:36:04,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804487654] [2020-08-22 05:36:04,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 05:36:04,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:36:04,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 05:36:04,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 05:36:04,558 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand 5 states. [2020-08-22 05:36:04,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:36:04,657 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2020-08-22 05:36:04,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 05:36:04,658 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-08-22 05:36:04,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:36:04,659 INFO L225 Difference]: With dead ends: 37 [2020-08-22 05:36:04,659 INFO L226 Difference]: Without dead ends: 35 [2020-08-22 05:36:04,659 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-22 05:36:04,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-08-22 05:36:04,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-08-22 05:36:04,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-08-22 05:36:04,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2020-08-22 05:36:04,663 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 20 [2020-08-22 05:36:04,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:36:04,663 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2020-08-22 05:36:04,663 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 05:36:04,663 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2020-08-22 05:36:04,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-08-22 05:36:04,664 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:36:04,664 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] [2020-08-22 05:36:04,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-22 05:36:04,665 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:36:04,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:36:04,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1627873548, now seen corresponding path program 1 times [2020-08-22 05:36:04,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:36:04,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1036087043] [2020-08-22 05:36:04,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:36:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:04,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:36:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:36:04,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:36:04,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1036087043] [2020-08-22 05:36:04,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:36:04,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 05:36:04,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104956855] [2020-08-22 05:36:04,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 05:36:04,706 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:36:04,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 05:36:04,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 05:36:04,706 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand 5 states. [2020-08-22 05:36:04,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:36:04,788 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2020-08-22 05:36:04,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 05:36:04,788 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-08-22 05:36:04,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:36:04,789 INFO L225 Difference]: With dead ends: 37 [2020-08-22 05:36:04,789 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 05:36:04,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-22 05:36:04,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 05:36:04,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 05:36:04,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 05:36:04,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 05:36:04,791 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2020-08-22 05:36:04,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:36:04,791 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 05:36:04,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 05:36:04,791 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 05:36:04,791 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 05:36:04,792 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-22 05:36:04,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 05:36:05,190 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 12 [2020-08-22 05:36:05,193 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 05:36:05,194 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__tmp_383_0~0 |old(~__tmp_383_0~0)|) (= ~__tmp_259_0~0 |old(~__tmp_259_0~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_305~0 |old(~__return_305~0)|)) [2020-08-22 05:36:05,194 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 05:36:05,194 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 05:36:05,194 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 05:36:05,194 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 05:36:05,195 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 05:36:05,195 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-08-22 05:36:05,195 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-08-22 05:36:05,195 INFO L268 CegarLoopResult]: For program point L5-2(lines 4 6) no Hoare annotation was computed. [2020-08-22 05:36:05,195 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-08-22 05:36:05,195 INFO L268 CegarLoopResult]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 112) no Hoare annotation was computed. [2020-08-22 05:36:05,196 INFO L264 CegarLoopResult]: At program point L382(lines 280 389) the Hoare annotation is: (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (not (= main_~__VERIFIER_assert__cond~13 0)) (<= 0 main_~main__t~0)) [2020-08-22 05:36:05,196 INFO L264 CegarLoopResult]: At program point L349(lines 30 393) the Hoare annotation is: (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (<= 0 main_~main__t~0)) [2020-08-22 05:36:05,196 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 13 400) no Hoare annotation was computed. [2020-08-22 05:36:05,196 INFO L268 CegarLoopResult]: For program point L184(lines 184 194) no Hoare annotation was computed. [2020-08-22 05:36:05,197 INFO L268 CegarLoopResult]: For program point L374(lines 374 383) no Hoare annotation was computed. [2020-08-22 05:36:05,197 INFO L268 CegarLoopResult]: For program point L341(lines 341 350) no Hoare annotation was computed. [2020-08-22 05:36:05,197 INFO L268 CegarLoopResult]: For program point L110(lines 110 201) no Hoare annotation was computed. [2020-08-22 05:36:05,197 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-08-22 05:36:05,197 INFO L268 CegarLoopResult]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 276) no Hoare annotation was computed. [2020-08-22 05:36:05,198 INFO L264 CegarLoopResult]: At program point L193(lines 54 251) the Hoare annotation is: (and (<= 1 main_~main__t~0) (<= main_~main__t~0 main_~main__tagbuf_len~0)) [2020-08-22 05:36:05,198 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-08-22 05:36:05,198 INFO L268 CegarLoopResult]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 152) no Hoare annotation was computed. [2020-08-22 05:36:05,198 INFO L268 CegarLoopResult]: For program point L276(line 276) no Hoare annotation was computed. [2020-08-22 05:36:05,198 INFO L268 CegarLoopResult]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 331) no Hoare annotation was computed. [2020-08-22 05:36:05,198 INFO L268 CegarLoopResult]: For program point L103(lines 103 207) no Hoare annotation was computed. [2020-08-22 05:36:05,198 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-22 05:36:05,199 INFO L268 CegarLoopResult]: For program point L37(lines 37 253) no Hoare annotation was computed. [2020-08-22 05:36:05,199 INFO L268 CegarLoopResult]: For program point L293(lines 293 315) no Hoare annotation was computed. [2020-08-22 05:36:05,199 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-08-22 05:36:05,199 INFO L268 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-08-22 05:36:05,199 INFO L268 CegarLoopResult]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2020-08-22 05:36:05,199 INFO L268 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-08-22 05:36:05,199 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-22 05:36:05,200 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 13 400) no Hoare annotation was computed. [2020-08-22 05:36:05,201 INFO L268 CegarLoopResult]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 307) no Hoare annotation was computed. [2020-08-22 05:36:05,201 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 50) no Hoare annotation was computed. [2020-08-22 05:36:05,201 INFO L268 CegarLoopResult]: For program point L30(lines 30 393) no Hoare annotation was computed. [2020-08-22 05:36:05,201 INFO L268 CegarLoopResult]: For program point L286(lines 286 388) no Hoare annotation was computed. [2020-08-22 05:36:05,201 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 13 400) the Hoare annotation is: (and (= |old(~__tmp_259_0~0)| ~__tmp_259_0~0) (= |old(~__return_305~0)| ~__return_305~0) (= |old(~__tmp_383_0~0)| ~__tmp_383_0~0)) [2020-08-22 05:36:05,201 INFO L268 CegarLoopResult]: For program point L220(lines 220 242) no Hoare annotation was computed. [2020-08-22 05:36:05,202 INFO L268 CegarLoopResult]: For program point L22(lines 22 394) no Hoare annotation was computed. [2020-08-22 05:36:05,202 INFO L268 CegarLoopResult]: For program point L80(lines 80 90) no Hoare annotation was computed. [2020-08-22 05:36:05,202 INFO L268 CegarLoopResult]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 186) no Hoare annotation was computed. [2020-08-22 05:36:05,202 INFO L268 CegarLoopResult]: For program point L138(lines 138 160) no Hoare annotation was computed. [2020-08-22 05:36:05,202 INFO L268 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-08-22 05:36:05,202 INFO L268 CegarLoopResult]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 364) no Hoare annotation was computed. [2020-08-22 05:36:05,202 INFO L268 CegarLoopResult]: For program point L122(lines 122 199) no Hoare annotation was computed. [2020-08-22 05:36:05,203 INFO L268 CegarLoopResult]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 174) no Hoare annotation was computed. [2020-08-22 05:36:05,203 INFO L271 CegarLoopResult]: At program point L312(lines 30 393) the Hoare annotation is: true [2020-08-22 05:36:05,203 INFO L268 CegarLoopResult]: For program point L213(lines 213 248) no Hoare annotation was computed. [2020-08-22 05:36:05,203 INFO L268 CegarLoopResult]: For program point L48(lines 48 251) no Hoare annotation was computed. [2020-08-22 05:36:05,203 INFO L268 CegarLoopResult]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 343) no Hoare annotation was computed. [2020-08-22 05:36:05,203 INFO L268 CegarLoopResult]: For program point L172(lines 172 196) no Hoare annotation was computed. [2020-08-22 05:36:05,203 INFO L268 CegarLoopResult]: For program point L362(lines 362 385) no Hoare annotation was computed. [2020-08-22 05:36:05,204 INFO L268 CegarLoopResult]: For program point L329(lines 329 352) no Hoare annotation was computed. [2020-08-22 05:36:05,204 INFO L268 CegarLoopResult]: For program point L263(lines 263 391) no Hoare annotation was computed. [2020-08-22 05:36:05,204 INFO L268 CegarLoopResult]: For program point L131(lines 131 198) no Hoare annotation was computed. [2020-08-22 05:36:05,204 INFO L268 CegarLoopResult]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-08-22 05:36:05,205 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-08-22 05:36:05,205 INFO L264 CegarLoopResult]: At program point L247(lines 99 249) the Hoare annotation is: (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (<= 1 main_~main__t~0)) [2020-08-22 05:36:05,205 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-22 05:36:05,205 INFO L268 CegarLoopResult]: For program point L305(lines 305 313) no Hoare annotation was computed. [2020-08-22 05:36:05,205 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-08-22 05:36:05,205 INFO L268 CegarLoopResult]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 234) no Hoare annotation was computed. [2020-08-22 05:36:05,205 INFO L268 CegarLoopResult]: For program point L99(lines 99 249) no Hoare annotation was computed. [2020-08-22 05:36:05,206 INFO L268 CegarLoopResult]: For program point L322(lines 322 387) no Hoare annotation was computed. [2020-08-22 05:36:05,206 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 70) no Hoare annotation was computed. [2020-08-22 05:36:05,206 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-22 05:36:05,206 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-08-22 05:36:05,206 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-08-22 05:36:05,206 INFO L268 CegarLoopResult]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 222) no Hoare annotation was computed. [2020-08-22 05:36:05,206 INFO L268 CegarLoopResult]: For program point L364(line 364) no Hoare annotation was computed. [2020-08-22 05:36:05,206 INFO L268 CegarLoopResult]: For program point L331(line 331) no Hoare annotation was computed. [2020-08-22 05:36:05,207 INFO L268 CegarLoopResult]: For program point L232(lines 232 240) no Hoare annotation was computed. [2020-08-22 05:36:05,207 INFO L268 CegarLoopResult]: For program point mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 376) no Hoare annotation was computed. [2020-08-22 05:36:05,207 INFO L268 CegarLoopResult]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 124) no Hoare annotation was computed. [2020-08-22 05:36:05,207 INFO L268 CegarLoopResult]: For program point L150(lines 150 158) no Hoare annotation was computed. [2020-08-22 05:36:05,207 INFO L268 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-08-22 05:36:05,207 INFO L268 CegarLoopResult]: For program point L18(lines 18 399) no Hoare annotation was computed. [2020-08-22 05:36:05,207 INFO L268 CegarLoopResult]: For program point L274(lines 274 389) no Hoare annotation was computed. [2020-08-22 05:36:05,208 INFO L268 CegarLoopResult]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2020-08-22 05:36:05,208 INFO L268 CegarLoopResult]: For program point L68(lines 68 92) no Hoare annotation was computed. [2020-08-22 05:36:05,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 05:36:05 BoogieIcfgContainer [2020-08-22 05:36:05,238 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 05:36:05,241 INFO L168 Benchmark]: Toolchain (without parser) took 6820.26 ms. Allocated memory was 139.5 MB in the beginning and 281.0 MB in the end (delta: 141.6 MB). Free memory was 102.1 MB in the beginning and 164.2 MB in the end (delta: -62.0 MB). Peak memory consumption was 79.5 MB. Max. memory is 7.1 GB. [2020-08-22 05:36:05,243 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 05:36:05,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.50 ms. Allocated memory is still 139.5 MB. Free memory was 101.9 MB in the beginning and 88.9 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2020-08-22 05:36:05,248 INFO L168 Benchmark]: Boogie Preprocessor took 123.99 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 88.9 MB in the beginning and 179.0 MB in the end (delta: -90.1 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2020-08-22 05:36:05,254 INFO L168 Benchmark]: RCFGBuilder took 499.27 ms. Allocated memory is still 201.9 MB. Free memory was 179.0 MB in the beginning and 152.8 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2020-08-22 05:36:05,255 INFO L168 Benchmark]: TraceAbstraction took 5883.68 ms. Allocated memory was 201.9 MB in the beginning and 281.0 MB in the end (delta: 79.2 MB). Free memory was 152.1 MB in the beginning and 164.2 MB in the end (delta: -12.0 MB). Peak memory consumption was 67.1 MB. Max. memory is 7.1 GB. [2020-08-22 05:36:05,264 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 308.50 ms. Allocated memory is still 139.5 MB. Free memory was 101.9 MB in the beginning and 88.9 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.99 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 88.9 MB in the beginning and 179.0 MB in the end (delta: -90.1 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 499.27 ms. Allocated memory is still 201.9 MB. Free memory was 179.0 MB in the beginning and 152.8 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5883.68 ms. Allocated memory was 201.9 MB in the beginning and 281.0 MB in the end (delta: 79.2 MB). Free memory was 152.1 MB in the beginning and 164.2 MB in the end (delta: -12.0 MB). Peak memory consumption was 67.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 50]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 343]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 364]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 174]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 186]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 307]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 222]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 234]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 331]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 124]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 276]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 376]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 152]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 140]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 112]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 70]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 <= main__t && main__t <= main__tagbuf_len - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: main__t + 1 <= main__tagbuf_len && 1 <= main__t - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: main__t + 1 <= main__tagbuf_len && 0 <= main__t - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (main__t + 1 <= main__tagbuf_len && !(__VERIFIER_assert__cond == 0)) && 0 <= main__t - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 84 locations, 18 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.3s, OverallIterations: 18, TraceHistogramMax: 1, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 838 SDtfs, 1435 SDslu, 856 SDs, 0 SdLazy, 2218 SolverSat, 136 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 187 GetRequests, 67 SyntacticMatches, 7 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 18 MinimizatonAttempts, 295 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 14 NumberOfFragments, 64 HoareAnnotationTreeSize, 9 FomulaSimplifications, 145186 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 6289 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 300 NumberOfCodeBlocks, 300 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 13120 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 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...