/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=0.5 --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-escape-absolute.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 06:24:33,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 06:24:33,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 06:24:33,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 06:24:33,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 06:24:33,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 06:24:33,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 06:24:33,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 06:24:33,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 06:24:33,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 06:24:33,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 06:24:33,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 06:24:33,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 06:24:33,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 06:24:33,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 06:24:33,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 06:24:33,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 06:24:33,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 06:24:33,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 06:24:33,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 06:24:33,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 06:24:33,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 06:24:33,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 06:24:33,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 06:24:33,254 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 06:24:33,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 06:24:33,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 06:24:33,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 06:24:33,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 06:24:33,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-08-22 06:24:33,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 06:24:33,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 06:24:33,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 06:24:33,276 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 06:24:33,307 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 06:24:33,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 06:24:33,309 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 06:24:33,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 06:24:33,309 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 06:24:33,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 06:24:33,310 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 06:24:33,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 06:24:33,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 06:24:33,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 06:24:33,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 06:24:33,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 06:24:33,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 06:24:33,311 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 06:24:33,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 06:24:33,311 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 06:24:33,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 06:24:33,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 06:24:33,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 06:24:33,312 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 06:24:33,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 06:24:33,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 06:24:33,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 06:24:33,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 06:24:33,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 06:24:33,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 06:24:33,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 06:24:33,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 06:24:33,314 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 06:24:33,314 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=0.5;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=0.5;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=0.5;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=0.5;log-additional-information=true; [2020-08-22 06:24:33,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 06:24:33,645 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 06:24:33,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 06:24:33,650 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 06:24:33,650 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 06:24:33,651 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2020-08-22 06:24:33,729 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ff9405449/b85bb5d14a8f4ee38a6b6b4e6a31a2ce/FLAGfaf297acb [2020-08-22 06:24:34,221 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 06:24:34,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2020-08-22 06:24:34,231 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ff9405449/b85bb5d14a8f4ee38a6b6b4e6a31a2ce/FLAGfaf297acb [2020-08-22 06:24:34,562 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ff9405449/b85bb5d14a8f4ee38a6b6b4e6a31a2ce [2020-08-22 06:24:34,570 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 06:24:34,572 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 06:24:34,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 06:24:34,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 06:24:34,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 06:24:34,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:24:34" (1/1) ... [2020-08-22 06:24:34,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@390ac93f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:24:34, skipping insertion in model container [2020-08-22 06:24:34,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:24:34" (1/1) ... [2020-08-22 06:24:34,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 06:24:34,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 06:24:34,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 06:24:34,843 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 06:24:34,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 06:24:35,028 INFO L208 MainTranslator]: Completed translation [2020-08-22 06:24:35,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:24:35 WrapperNode [2020-08-22 06:24:35,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 06:24:35,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 06:24:35,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 06:24:35,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 06:24:35,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:24:35" (1/1) ... [2020-08-22 06:24:35,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:24:35" (1/1) ... [2020-08-22 06:24:35,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:24:35" (1/1) ... [2020-08-22 06:24:35,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:24:35" (1/1) ... [2020-08-22 06:24:35,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:24:35" (1/1) ... [2020-08-22 06:24:35,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:24:35" (1/1) ... [2020-08-22 06:24:35,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:24:35" (1/1) ... [2020-08-22 06:24:35,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 06:24:35,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 06:24:35,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 06:24:35,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 06:24:35,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:24:35" (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 06:24:35,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 06:24:35,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 06:24:35,170 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-22 06:24:35,170 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 06:24:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 06:24:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-22 06:24:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-22 06:24:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-22 06:24:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 06:24:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 06:24:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 06:24:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 06:24:35,625 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 06:24:35,625 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 06:24:35,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:24:35 BoogieIcfgContainer [2020-08-22 06:24:35,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 06:24:35,632 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 06:24:35,632 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 06:24:35,635 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 06:24:35,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 06:24:34" (1/3) ... [2020-08-22 06:24:35,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d9fe07b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:24:35, skipping insertion in model container [2020-08-22 06:24:35,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:24:35" (2/3) ... [2020-08-22 06:24:35,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d9fe07b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:24:35, skipping insertion in model container [2020-08-22 06:24:35,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:24:35" (3/3) ... [2020-08-22 06:24:35,638 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-escape-absolute.i.v+cfa-reducer.c [2020-08-22 06:24:35,648 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 06:24:35,655 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 18 error locations. [2020-08-22 06:24:35,669 INFO L251 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2020-08-22 06:24:35,693 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 06:24:35,694 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 06:24:35,694 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 06:24:35,694 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 06:24:35,694 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 06:24:35,695 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 06:24:35,695 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 06:24:35,695 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 06:24:35,718 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2020-08-22 06:24:35,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-08-22 06:24:35,725 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:24:35,726 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 06:24:35,727 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 06:24:35,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:24:35,733 INFO L82 PathProgramCache]: Analyzing trace with hash -2019463306, now seen corresponding path program 1 times [2020-08-22 06:24:35,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:24:35,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [439488519] [2020-08-22 06:24:35,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:24:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:35,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:24:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:35,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 06:24:35,974 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [439488519] [2020-08-22 06:24:35,976 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:24:35,977 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 06:24:35,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975530610] [2020-08-22 06:24:35,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 06:24:35,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:24:35,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 06:24:35,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 06:24:36,001 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 4 states. [2020-08-22 06:24:36,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:24:36,135 INFO L93 Difference]: Finished difference Result 93 states and 129 transitions. [2020-08-22 06:24:36,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 06:24:36,138 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-08-22 06:24:36,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:24:36,150 INFO L225 Difference]: With dead ends: 93 [2020-08-22 06:24:36,151 INFO L226 Difference]: Without dead ends: 80 [2020-08-22 06:24:36,154 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 06:24:36,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-08-22 06:24:36,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2020-08-22 06:24:36,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-08-22 06:24:36,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 83 transitions. [2020-08-22 06:24:36,208 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 83 transitions. Word has length 19 [2020-08-22 06:24:36,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:24:36,209 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 83 transitions. [2020-08-22 06:24:36,209 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 06:24:36,209 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2020-08-22 06:24:36,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-08-22 06:24:36,210 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:24:36,210 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 06:24:36,211 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 06:24:36,211 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 06:24:36,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:24:36,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1821150056, now seen corresponding path program 1 times [2020-08-22 06:24:36,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:24:36,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [862490917] [2020-08-22 06:24:36,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:24:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:36,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:24:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:36,303 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 06:24:36,304 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [862490917] [2020-08-22 06:24:36,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:24:36,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 06:24:36,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826231142] [2020-08-22 06:24:36,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 06:24:36,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:24:36,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 06:24:36,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-22 06:24:36,307 INFO L87 Difference]: Start difference. First operand 80 states and 83 transitions. Second operand 7 states. [2020-08-22 06:24:36,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:24:36,526 INFO L93 Difference]: Finished difference Result 80 states and 83 transitions. [2020-08-22 06:24:36,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 06:24:36,527 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-08-22 06:24:36,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:24:36,528 INFO L225 Difference]: With dead ends: 80 [2020-08-22 06:24:36,529 INFO L226 Difference]: Without dead ends: 78 [2020-08-22 06:24:36,530 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-08-22 06:24:36,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-08-22 06:24:36,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-08-22 06:24:36,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-08-22 06:24:36,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 81 transitions. [2020-08-22 06:24:36,545 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 81 transitions. Word has length 20 [2020-08-22 06:24:36,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:24:36,545 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 81 transitions. [2020-08-22 06:24:36,546 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 06:24:36,546 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions. [2020-08-22 06:24:36,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-08-22 06:24:36,547 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:24:36,547 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:24:36,547 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 06:24:36,550 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 06:24:36,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:24:36,551 INFO L82 PathProgramCache]: Analyzing trace with hash 2073610827, now seen corresponding path program 1 times [2020-08-22 06:24:36,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:24:36,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [565900848] [2020-08-22 06:24:36,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:24:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:36,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:24:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:36,669 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 06:24:36,669 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [565900848] [2020-08-22 06:24:36,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:24:36,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 06:24:36,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766892963] [2020-08-22 06:24:36,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 06:24:36,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:24:36,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 06:24:36,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 06:24:36,672 INFO L87 Difference]: Start difference. First operand 78 states and 81 transitions. Second operand 5 states. [2020-08-22 06:24:36,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:24:36,871 INFO L93 Difference]: Finished difference Result 101 states and 106 transitions. [2020-08-22 06:24:36,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 06:24:36,872 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-08-22 06:24:36,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:24:36,873 INFO L225 Difference]: With dead ends: 101 [2020-08-22 06:24:36,874 INFO L226 Difference]: Without dead ends: 99 [2020-08-22 06:24:36,874 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 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 06:24:36,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-08-22 06:24:36,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 76. [2020-08-22 06:24:36,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-08-22 06:24:36,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2020-08-22 06:24:36,884 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 22 [2020-08-22 06:24:36,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:24:36,885 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2020-08-22 06:24:36,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 06:24:36,885 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2020-08-22 06:24:36,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-08-22 06:24:36,886 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:24:36,886 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:24:36,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 06:24:36,887 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 06:24:36,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:24:36,887 INFO L82 PathProgramCache]: Analyzing trace with hash -142570686, now seen corresponding path program 1 times [2020-08-22 06:24:36,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:24:36,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [70146765] [2020-08-22 06:24:36,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:24:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:36,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:24:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:36,952 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 06:24:36,953 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [70146765] [2020-08-22 06:24:36,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:24:36,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 06:24:36,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545847741] [2020-08-22 06:24:36,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 06:24:36,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:24:36,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 06:24:36,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-22 06:24:36,955 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand 6 states. [2020-08-22 06:24:37,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:24:37,072 INFO L93 Difference]: Finished difference Result 76 states and 79 transitions. [2020-08-22 06:24:37,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 06:24:37,073 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2020-08-22 06:24:37,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:24:37,074 INFO L225 Difference]: With dead ends: 76 [2020-08-22 06:24:37,074 INFO L226 Difference]: Without dead ends: 74 [2020-08-22 06:24:37,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-08-22 06:24:37,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-08-22 06:24:37,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-08-22 06:24:37,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-08-22 06:24:37,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 77 transitions. [2020-08-22 06:24:37,083 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 77 transitions. Word has length 23 [2020-08-22 06:24:37,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:24:37,083 INFO L479 AbstractCegarLoop]: Abstraction has 74 states and 77 transitions. [2020-08-22 06:24:37,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 06:24:37,084 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2020-08-22 06:24:37,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-22 06:24:37,085 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:24:37,085 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:24:37,085 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 06:24:37,085 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 06:24:37,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:24:37,086 INFO L82 PathProgramCache]: Analyzing trace with hash 402497124, now seen corresponding path program 1 times [2020-08-22 06:24:37,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:24:37,087 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1567951546] [2020-08-22 06:24:37,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:24:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:37,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:24:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:37,158 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 06:24:37,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1567951546] [2020-08-22 06:24:37,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:24:37,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 06:24:37,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240365357] [2020-08-22 06:24:37,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 06:24:37,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:24:37,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 06:24:37,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-22 06:24:37,161 INFO L87 Difference]: Start difference. First operand 74 states and 77 transitions. Second operand 6 states. [2020-08-22 06:24:37,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:24:37,609 INFO L93 Difference]: Finished difference Result 141 states and 147 transitions. [2020-08-22 06:24:37,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 06:24:37,610 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-08-22 06:24:37,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:24:37,612 INFO L225 Difference]: With dead ends: 141 [2020-08-22 06:24:37,612 INFO L226 Difference]: Without dead ends: 139 [2020-08-22 06:24:37,613 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-08-22 06:24:37,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-08-22 06:24:37,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 77. [2020-08-22 06:24:37,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-08-22 06:24:37,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 82 transitions. [2020-08-22 06:24:37,622 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 82 transitions. Word has length 26 [2020-08-22 06:24:37,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:24:37,623 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 82 transitions. [2020-08-22 06:24:37,623 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 06:24:37,623 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 82 transitions. [2020-08-22 06:24:37,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-22 06:24:37,624 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:24:37,624 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:24:37,625 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 06:24:37,625 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 06:24:37,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:24:37,625 INFO L82 PathProgramCache]: Analyzing trace with hash 406230933, now seen corresponding path program 1 times [2020-08-22 06:24:37,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:24:37,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1308993281] [2020-08-22 06:24:37,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:24:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:37,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:24:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:37,717 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 06:24:37,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1308993281] [2020-08-22 06:24:37,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:24:37,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 06:24:37,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047544440] [2020-08-22 06:24:37,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 06:24:37,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:24:37,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 06:24:37,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-22 06:24:37,723 INFO L87 Difference]: Start difference. First operand 77 states and 82 transitions. Second operand 6 states. [2020-08-22 06:24:38,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:24:38,036 INFO L93 Difference]: Finished difference Result 108 states and 114 transitions. [2020-08-22 06:24:38,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 06:24:38,037 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-08-22 06:24:38,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:24:38,040 INFO L225 Difference]: With dead ends: 108 [2020-08-22 06:24:38,040 INFO L226 Difference]: Without dead ends: 106 [2020-08-22 06:24:38,043 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-08-22 06:24:38,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-08-22 06:24:38,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 79. [2020-08-22 06:24:38,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-08-22 06:24:38,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2020-08-22 06:24:38,061 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 84 transitions. Word has length 26 [2020-08-22 06:24:38,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:24:38,061 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 84 transitions. [2020-08-22 06:24:38,061 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 06:24:38,062 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2020-08-22 06:24:38,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-22 06:24:38,067 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:24:38,067 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:24:38,067 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 06:24:38,067 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 06:24:38,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:24:38,068 INFO L82 PathProgramCache]: Analyzing trace with hash -407487796, now seen corresponding path program 1 times [2020-08-22 06:24:38,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:24:38,068 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1303065501] [2020-08-22 06:24:38,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:24:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:38,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:24:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:38,137 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 06:24:38,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1303065501] [2020-08-22 06:24:38,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:24:38,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 06:24:38,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690240654] [2020-08-22 06:24:38,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 06:24:38,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:24:38,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 06:24:38,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-22 06:24:38,140 INFO L87 Difference]: Start difference. First operand 79 states and 84 transitions. Second operand 6 states. [2020-08-22 06:24:38,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:24:38,371 INFO L93 Difference]: Finished difference Result 121 states and 127 transitions. [2020-08-22 06:24:38,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 06:24:38,374 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-08-22 06:24:38,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:24:38,375 INFO L225 Difference]: With dead ends: 121 [2020-08-22 06:24:38,376 INFO L226 Difference]: Without dead ends: 119 [2020-08-22 06:24:38,377 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-08-22 06:24:38,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-08-22 06:24:38,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 77. [2020-08-22 06:24:38,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-08-22 06:24:38,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 82 transitions. [2020-08-22 06:24:38,394 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 82 transitions. Word has length 27 [2020-08-22 06:24:38,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:24:38,394 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 82 transitions. [2020-08-22 06:24:38,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 06:24:38,394 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 82 transitions. [2020-08-22 06:24:38,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-22 06:24:38,397 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:24:38,397 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:24:38,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 06:24:38,397 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 06:24:38,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:24:38,399 INFO L82 PathProgramCache]: Analyzing trace with hash -291739827, now seen corresponding path program 1 times [2020-08-22 06:24:38,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:24:38,399 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [973483606] [2020-08-22 06:24:38,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:24:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:38,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:24:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:38,509 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 06:24:38,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [973483606] [2020-08-22 06:24:38,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:24:38,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 06:24:38,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118465643] [2020-08-22 06:24:38,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 06:24:38,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:24:38,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 06:24:38,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-22 06:24:38,514 INFO L87 Difference]: Start difference. First operand 77 states and 82 transitions. Second operand 6 states. [2020-08-22 06:24:38,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:24:38,691 INFO L93 Difference]: Finished difference Result 77 states and 82 transitions. [2020-08-22 06:24:38,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 06:24:38,692 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-08-22 06:24:38,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:24:38,693 INFO L225 Difference]: With dead ends: 77 [2020-08-22 06:24:38,693 INFO L226 Difference]: Without dead ends: 75 [2020-08-22 06:24:38,694 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-08-22 06:24:38,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-08-22 06:24:38,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-08-22 06:24:38,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-08-22 06:24:38,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 80 transitions. [2020-08-22 06:24:38,700 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 80 transitions. Word has length 27 [2020-08-22 06:24:38,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:24:38,701 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 80 transitions. [2020-08-22 06:24:38,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 06:24:38,701 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 80 transitions. [2020-08-22 06:24:38,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-08-22 06:24:38,702 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:24:38,702 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:24:38,702 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 06:24:38,703 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 06:24:38,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:24:38,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1188998893, now seen corresponding path program 1 times [2020-08-22 06:24:38,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:24:38,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [893778828] [2020-08-22 06:24:38,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:24:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:38,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:24:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:38,738 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 06:24:38,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [893778828] [2020-08-22 06:24:38,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:24:38,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 06:24:38,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194731021] [2020-08-22 06:24:38,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 06:24:38,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:24:38,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 06:24:38,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 06:24:38,741 INFO L87 Difference]: Start difference. First operand 75 states and 80 transitions. Second operand 4 states. [2020-08-22 06:24:38,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:24:38,866 INFO L93 Difference]: Finished difference Result 115 states and 121 transitions. [2020-08-22 06:24:38,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 06:24:38,866 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2020-08-22 06:24:38,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:24:38,867 INFO L225 Difference]: With dead ends: 115 [2020-08-22 06:24:38,867 INFO L226 Difference]: Without dead ends: 75 [2020-08-22 06:24:38,868 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 06:24:38,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-08-22 06:24:38,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-08-22 06:24:38,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-08-22 06:24:38,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 78 transitions. [2020-08-22 06:24:38,876 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 78 transitions. Word has length 29 [2020-08-22 06:24:38,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:24:38,877 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 78 transitions. [2020-08-22 06:24:38,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 06:24:38,877 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2020-08-22 06:24:38,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-08-22 06:24:38,878 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:24:38,878 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:24:38,881 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 06:24:38,881 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 06:24:38,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:24:38,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1640998784, now seen corresponding path program 1 times [2020-08-22 06:24:38,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:24:38,882 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [697040458] [2020-08-22 06:24:38,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:24:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:39,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:24:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:39,021 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 06:24:39,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [697040458] [2020-08-22 06:24:39,022 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:24:39,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 06:24:39,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156288016] [2020-08-22 06:24:39,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 06:24:39,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:24:39,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 06:24:39,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 06:24:39,025 INFO L87 Difference]: Start difference. First operand 75 states and 78 transitions. Second operand 6 states. [2020-08-22 06:24:39,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:24:39,154 INFO L93 Difference]: Finished difference Result 76 states and 79 transitions. [2020-08-22 06:24:39,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 06:24:39,156 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-08-22 06:24:39,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:24:39,157 INFO L225 Difference]: With dead ends: 76 [2020-08-22 06:24:39,158 INFO L226 Difference]: Without dead ends: 74 [2020-08-22 06:24:39,158 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-08-22 06:24:39,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-08-22 06:24:39,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2020-08-22 06:24:39,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-08-22 06:24:39,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 76 transitions. [2020-08-22 06:24:39,166 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 76 transitions. Word has length 30 [2020-08-22 06:24:39,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:24:39,166 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 76 transitions. [2020-08-22 06:24:39,167 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 06:24:39,167 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 76 transitions. [2020-08-22 06:24:39,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-08-22 06:24:39,168 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:24:39,168 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:24:39,168 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 06:24:39,168 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 06:24:39,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:24:39,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1892106755, now seen corresponding path program 1 times [2020-08-22 06:24:39,169 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:24:39,169 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [776519286] [2020-08-22 06:24:39,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:24:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:39,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:24:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:39,258 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 06:24:39,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [776519286] [2020-08-22 06:24:39,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:24:39,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-22 06:24:39,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739358331] [2020-08-22 06:24:39,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 06:24:39,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:24:39,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 06:24:39,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 06:24:39,260 INFO L87 Difference]: Start difference. First operand 73 states and 76 transitions. Second operand 6 states. [2020-08-22 06:24:39,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:24:39,490 INFO L93 Difference]: Finished difference Result 111 states and 115 transitions. [2020-08-22 06:24:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 06:24:39,491 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-08-22 06:24:39,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:24:39,492 INFO L225 Difference]: With dead ends: 111 [2020-08-22 06:24:39,492 INFO L226 Difference]: Without dead ends: 109 [2020-08-22 06:24:39,493 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-08-22 06:24:39,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-22 06:24:39,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 70. [2020-08-22 06:24:39,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-08-22 06:24:39,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 73 transitions. [2020-08-22 06:24:39,499 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 73 transitions. Word has length 30 [2020-08-22 06:24:39,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:24:39,499 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 73 transitions. [2020-08-22 06:24:39,499 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 06:24:39,499 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 73 transitions. [2020-08-22 06:24:39,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-08-22 06:24:39,500 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:24:39,500 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:24:39,501 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 06:24:39,501 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 06:24:39,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:24:39,501 INFO L82 PathProgramCache]: Analyzing trace with hash 668648404, now seen corresponding path program 1 times [2020-08-22 06:24:39,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:24:39,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [68297940] [2020-08-22 06:24:39,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:24:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:39,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:24:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:39,559 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 06:24:39,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [68297940] [2020-08-22 06:24:39,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:24:39,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 06:24:39,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020819683] [2020-08-22 06:24:39,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 06:24:39,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:24:39,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 06:24:39,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-22 06:24:39,563 INFO L87 Difference]: Start difference. First operand 70 states and 73 transitions. Second operand 6 states. [2020-08-22 06:24:39,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:24:39,684 INFO L93 Difference]: Finished difference Result 70 states and 73 transitions. [2020-08-22 06:24:39,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 06:24:39,685 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-08-22 06:24:39,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:24:39,686 INFO L225 Difference]: With dead ends: 70 [2020-08-22 06:24:39,686 INFO L226 Difference]: Without dead ends: 68 [2020-08-22 06:24:39,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-08-22 06:24:39,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-08-22 06:24:39,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-08-22 06:24:39,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-08-22 06:24:39,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 71 transitions. [2020-08-22 06:24:39,695 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 71 transitions. Word has length 31 [2020-08-22 06:24:39,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:24:39,696 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 71 transitions. [2020-08-22 06:24:39,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 06:24:39,699 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 71 transitions. [2020-08-22 06:24:39,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-08-22 06:24:39,700 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:24:39,700 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:24:39,700 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-22 06:24:39,700 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 06:24:39,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:24:39,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1470784207, now seen corresponding path program 1 times [2020-08-22 06:24:39,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:24:39,701 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [478912932] [2020-08-22 06:24:39,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:24:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:39,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:24:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:39,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 06:24:39,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [478912932] [2020-08-22 06:24:39,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:24:39,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-22 06:24:39,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639806958] [2020-08-22 06:24:39,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 06:24:39,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:24:39,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 06:24:39,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 06:24:39,800 INFO L87 Difference]: Start difference. First operand 68 states and 71 transitions. Second operand 6 states. [2020-08-22 06:24:39,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:24:39,912 INFO L93 Difference]: Finished difference Result 69 states and 72 transitions. [2020-08-22 06:24:39,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 06:24:39,913 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-08-22 06:24:39,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:24:39,914 INFO L225 Difference]: With dead ends: 69 [2020-08-22 06:24:39,914 INFO L226 Difference]: Without dead ends: 67 [2020-08-22 06:24:39,914 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-08-22 06:24:39,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-08-22 06:24:39,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 62. [2020-08-22 06:24:39,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-08-22 06:24:39,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 64 transitions. [2020-08-22 06:24:39,918 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 64 transitions. Word has length 31 [2020-08-22 06:24:39,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:24:39,919 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 64 transitions. [2020-08-22 06:24:39,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 06:24:39,919 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2020-08-22 06:24:39,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-08-22 06:24:39,920 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:24:39,920 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:24:39,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-22 06:24:39,920 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 06:24:39,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:24:39,921 INFO L82 PathProgramCache]: Analyzing trace with hash -350608983, now seen corresponding path program 1 times [2020-08-22 06:24:39,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:24:39,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2092202748] [2020-08-22 06:24:39,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:24:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:39,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:24:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:39,981 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 06:24:39,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2092202748] [2020-08-22 06:24:39,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:24:39,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 06:24:39,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339043413] [2020-08-22 06:24:39,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 06:24:39,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:24:39,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 06:24:39,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 06:24:39,983 INFO L87 Difference]: Start difference. First operand 62 states and 64 transitions. Second operand 6 states. [2020-08-22 06:24:40,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:24:40,114 INFO L93 Difference]: Finished difference Result 63 states and 65 transitions. [2020-08-22 06:24:40,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 06:24:40,115 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-08-22 06:24:40,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:24:40,116 INFO L225 Difference]: With dead ends: 63 [2020-08-22 06:24:40,116 INFO L226 Difference]: Without dead ends: 61 [2020-08-22 06:24:40,116 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-08-22 06:24:40,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-08-22 06:24:40,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 60. [2020-08-22 06:24:40,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-08-22 06:24:40,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2020-08-22 06:24:40,121 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 34 [2020-08-22 06:24:40,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:24:40,121 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2020-08-22 06:24:40,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 06:24:40,121 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2020-08-22 06:24:40,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-08-22 06:24:40,122 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:24:40,122 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:24:40,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-22 06:24:40,122 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 06:24:40,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:24:40,123 INFO L82 PathProgramCache]: Analyzing trace with hash 2016026591, now seen corresponding path program 1 times [2020-08-22 06:24:40,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:24:40,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [995490478] [2020-08-22 06:24:40,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:24:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:40,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:24:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:40,216 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 06:24:40,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [995490478] [2020-08-22 06:24:40,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:24:40,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 06:24:40,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416915395] [2020-08-22 06:24:40,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 06:24:40,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:24:40,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 06:24:40,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-22 06:24:40,218 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand 7 states. [2020-08-22 06:24:40,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:24:40,434 INFO L93 Difference]: Finished difference Result 71 states and 74 transitions. [2020-08-22 06:24:40,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 06:24:40,437 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-08-22 06:24:40,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:24:40,438 INFO L225 Difference]: With dead ends: 71 [2020-08-22 06:24:40,438 INFO L226 Difference]: Without dead ends: 69 [2020-08-22 06:24:40,439 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-08-22 06:24:40,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-08-22 06:24:40,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 58. [2020-08-22 06:24:40,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-08-22 06:24:40,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2020-08-22 06:24:40,449 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 35 [2020-08-22 06:24:40,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:24:40,449 INFO L479 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2020-08-22 06:24:40,449 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 06:24:40,450 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2020-08-22 06:24:40,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-08-22 06:24:40,453 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:24:40,453 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:24:40,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-22 06:24:40,454 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 06:24:40,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:24:40,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1371399406, now seen corresponding path program 1 times [2020-08-22 06:24:40,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:24:40,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1090545167] [2020-08-22 06:24:40,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:24:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:40,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:24:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:40,526 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 06:24:40,527 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1090545167] [2020-08-22 06:24:40,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:24:40,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 06:24:40,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933561310] [2020-08-22 06:24:40,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 06:24:40,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:24:40,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 06:24:40,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-22 06:24:40,531 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 6 states. [2020-08-22 06:24:40,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:24:40,782 INFO L93 Difference]: Finished difference Result 91 states and 95 transitions. [2020-08-22 06:24:40,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 06:24:40,782 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-08-22 06:24:40,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:24:40,783 INFO L225 Difference]: With dead ends: 91 [2020-08-22 06:24:40,783 INFO L226 Difference]: Without dead ends: 89 [2020-08-22 06:24:40,784 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-08-22 06:24:40,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-08-22 06:24:40,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 61. [2020-08-22 06:24:40,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-08-22 06:24:40,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 63 transitions. [2020-08-22 06:24:40,790 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 63 transitions. Word has length 38 [2020-08-22 06:24:40,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:24:40,790 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 63 transitions. [2020-08-22 06:24:40,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 06:24:40,791 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2020-08-22 06:24:40,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-08-22 06:24:40,791 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:24:40,791 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:24:40,792 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-22 06:24:40,792 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 06:24:40,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:24:40,792 INFO L82 PathProgramCache]: Analyzing trace with hash 436294569, now seen corresponding path program 1 times [2020-08-22 06:24:40,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:24:40,793 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1695573983] [2020-08-22 06:24:40,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:24:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:40,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:24:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:40,844 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 06:24:40,845 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1695573983] [2020-08-22 06:24:40,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:24:40,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 06:24:40,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318325110] [2020-08-22 06:24:40,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 06:24:40,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:24:40,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 06:24:40,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-22 06:24:40,848 INFO L87 Difference]: Start difference. First operand 61 states and 63 transitions. Second operand 6 states. [2020-08-22 06:24:41,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:24:41,006 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2020-08-22 06:24:41,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 06:24:41,007 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-08-22 06:24:41,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:24:41,008 INFO L225 Difference]: With dead ends: 61 [2020-08-22 06:24:41,008 INFO L226 Difference]: Without dead ends: 59 [2020-08-22 06:24:41,008 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-08-22 06:24:41,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-08-22 06:24:41,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-08-22 06:24:41,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-08-22 06:24:41,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 61 transitions. [2020-08-22 06:24:41,014 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 61 transitions. Word has length 39 [2020-08-22 06:24:41,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:24:41,014 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 61 transitions. [2020-08-22 06:24:41,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 06:24:41,015 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2020-08-22 06:24:41,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-22 06:24:41,015 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:24:41,015 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:24:41,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-22 06:24:41,016 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 06:24:41,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:24:41,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1627614740, now seen corresponding path program 1 times [2020-08-22 06:24:41,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:24:41,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1709063244] [2020-08-22 06:24:41,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:24:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:41,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:24:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:41,093 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 06:24:41,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1709063244] [2020-08-22 06:24:41,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:24:41,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 06:24:41,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309467368] [2020-08-22 06:24:41,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 06:24:41,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:24:41,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 06:24:41,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 06:24:41,095 INFO L87 Difference]: Start difference. First operand 59 states and 61 transitions. Second operand 6 states. [2020-08-22 06:24:41,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:24:41,250 INFO L93 Difference]: Finished difference Result 70 states and 73 transitions. [2020-08-22 06:24:41,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 06:24:41,251 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2020-08-22 06:24:41,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:24:41,252 INFO L225 Difference]: With dead ends: 70 [2020-08-22 06:24:41,253 INFO L226 Difference]: Without dead ends: 68 [2020-08-22 06:24:41,254 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-08-22 06:24:41,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-08-22 06:24:41,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2020-08-22 06:24:41,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-08-22 06:24:41,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 70 transitions. [2020-08-22 06:24:41,262 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 70 transitions. Word has length 41 [2020-08-22 06:24:41,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:24:41,263 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 70 transitions. [2020-08-22 06:24:41,263 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 06:24:41,263 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2020-08-22 06:24:41,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-08-22 06:24:41,264 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:24:41,264 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:24:41,264 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-22 06:24:41,264 INFO L427 AbstractCegarLoop]: === Iteration 19 === [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 06:24:41,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:24:41,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1083553822, now seen corresponding path program 1 times [2020-08-22 06:24:41,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:24:41,266 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [665938977] [2020-08-22 06:24:41,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:24:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:41,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:24:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:41,333 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 06:24:41,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [665938977] [2020-08-22 06:24:41,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:24:41,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 06:24:41,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433087065] [2020-08-22 06:24:41,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 06:24:41,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:24:41,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 06:24:41,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-22 06:24:41,337 INFO L87 Difference]: Start difference. First operand 66 states and 70 transitions. Second operand 6 states. [2020-08-22 06:24:41,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:24:41,515 INFO L93 Difference]: Finished difference Result 68 states and 71 transitions. [2020-08-22 06:24:41,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 06:24:41,516 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2020-08-22 06:24:41,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:24:41,517 INFO L225 Difference]: With dead ends: 68 [2020-08-22 06:24:41,517 INFO L226 Difference]: Without dead ends: 66 [2020-08-22 06:24:41,518 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-08-22 06:24:41,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-08-22 06:24:41,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2020-08-22 06:24:41,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-08-22 06:24:41,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2020-08-22 06:24:41,526 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 42 [2020-08-22 06:24:41,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:24:41,527 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2020-08-22 06:24:41,527 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 06:24:41,527 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2020-08-22 06:24:41,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-08-22 06:24:41,528 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:24:41,528 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:24:41,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-22 06:24:41,529 INFO L427 AbstractCegarLoop]: === Iteration 20 === [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 06:24:41,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:24:41,529 INFO L82 PathProgramCache]: Analyzing trace with hash -769566670, now seen corresponding path program 1 times [2020-08-22 06:24:41,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:24:41,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1703461372] [2020-08-22 06:24:41,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:24:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:41,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:24:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:41,624 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 06:24:41,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1703461372] [2020-08-22 06:24:41,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:24:41,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 06:24:41,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093800547] [2020-08-22 06:24:41,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 06:24:41,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:24:41,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 06:24:41,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-22 06:24:41,627 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand 6 states. [2020-08-22 06:24:41,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:24:41,896 INFO L93 Difference]: Finished difference Result 90 states and 95 transitions. [2020-08-22 06:24:41,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 06:24:41,897 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2020-08-22 06:24:41,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:24:41,898 INFO L225 Difference]: With dead ends: 90 [2020-08-22 06:24:41,898 INFO L226 Difference]: Without dead ends: 88 [2020-08-22 06:24:41,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-08-22 06:24:41,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-08-22 06:24:41,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 69. [2020-08-22 06:24:41,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-08-22 06:24:41,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2020-08-22 06:24:41,904 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 74 transitions. Word has length 43 [2020-08-22 06:24:41,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:24:41,905 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 74 transitions. [2020-08-22 06:24:41,905 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 06:24:41,905 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2020-08-22 06:24:41,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-08-22 06:24:41,905 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:24:41,906 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:24:41,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-22 06:24:41,906 INFO L427 AbstractCegarLoop]: === Iteration 21 === [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 06:24:41,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:24:41,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1913240228, now seen corresponding path program 1 times [2020-08-22 06:24:41,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:24:41,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2083241268] [2020-08-22 06:24:41,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:24:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:41,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:24:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:41,960 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 06:24:41,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2083241268] [2020-08-22 06:24:41,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:24:41,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 06:24:41,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357542321] [2020-08-22 06:24:41,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 06:24:41,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:24:41,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 06:24:41,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-22 06:24:41,962 INFO L87 Difference]: Start difference. First operand 69 states and 74 transitions. Second operand 6 states. [2020-08-22 06:24:42,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:24:42,168 INFO L93 Difference]: Finished difference Result 75 states and 79 transitions. [2020-08-22 06:24:42,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 06:24:42,169 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2020-08-22 06:24:42,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:24:42,170 INFO L225 Difference]: With dead ends: 75 [2020-08-22 06:24:42,170 INFO L226 Difference]: Without dead ends: 73 [2020-08-22 06:24:42,171 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-08-22 06:24:42,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-08-22 06:24:42,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 67. [2020-08-22 06:24:42,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-08-22 06:24:42,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2020-08-22 06:24:42,177 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 72 transitions. Word has length 44 [2020-08-22 06:24:42,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:24:42,177 INFO L479 AbstractCegarLoop]: Abstraction has 67 states and 72 transitions. [2020-08-22 06:24:42,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 06:24:42,177 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2020-08-22 06:24:42,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-08-22 06:24:42,178 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:24:42,178 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:24:42,178 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-22 06:24:42,178 INFO L427 AbstractCegarLoop]: === Iteration 22 === [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 06:24:42,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:24:42,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1562566919, now seen corresponding path program 1 times [2020-08-22 06:24:42,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:24:42,179 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [918139366] [2020-08-22 06:24:42,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:24:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:42,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:24:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:42,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 06:24:42,260 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [918139366] [2020-08-22 06:24:42,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:24:42,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-22 06:24:42,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24672200] [2020-08-22 06:24:42,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 06:24:42,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:24:42,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 06:24:42,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 06:24:42,262 INFO L87 Difference]: Start difference. First operand 67 states and 72 transitions. Second operand 6 states. [2020-08-22 06:24:42,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:24:42,383 INFO L93 Difference]: Finished difference Result 67 states and 72 transitions. [2020-08-22 06:24:42,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 06:24:42,385 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2020-08-22 06:24:42,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:24:42,386 INFO L225 Difference]: With dead ends: 67 [2020-08-22 06:24:42,386 INFO L226 Difference]: Without dead ends: 65 [2020-08-22 06:24:42,387 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-08-22 06:24:42,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-08-22 06:24:42,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-08-22 06:24:42,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-08-22 06:24:42,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2020-08-22 06:24:42,393 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 44 [2020-08-22 06:24:42,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:24:42,393 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2020-08-22 06:24:42,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 06:24:42,393 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2020-08-22 06:24:42,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-08-22 06:24:42,394 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:24:42,394 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:24:42,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-22 06:24:42,394 INFO L427 AbstractCegarLoop]: === Iteration 23 === [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 06:24:42,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:24:42,395 INFO L82 PathProgramCache]: Analyzing trace with hash 790604971, now seen corresponding path program 1 times [2020-08-22 06:24:42,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:24:42,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1162732881] [2020-08-22 06:24:42,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:24:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:42,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:24:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:42,463 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-08-22 06:24:42,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1162732881] [2020-08-22 06:24:42,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:24:42,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 06:24:42,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130050626] [2020-08-22 06:24:42,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 06:24:42,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:24:42,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 06:24:42,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-22 06:24:42,468 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand 6 states. [2020-08-22 06:24:42,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:24:42,705 INFO L93 Difference]: Finished difference Result 77 states and 82 transitions. [2020-08-22 06:24:42,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 06:24:42,706 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2020-08-22 06:24:42,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:24:42,706 INFO L225 Difference]: With dead ends: 77 [2020-08-22 06:24:42,706 INFO L226 Difference]: Without dead ends: 75 [2020-08-22 06:24:42,707 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-08-22 06:24:42,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-08-22 06:24:42,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 55. [2020-08-22 06:24:42,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-08-22 06:24:42,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2020-08-22 06:24:42,711 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 49 [2020-08-22 06:24:42,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:24:42,712 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2020-08-22 06:24:42,712 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 06:24:42,712 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2020-08-22 06:24:42,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-22 06:24:42,713 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:24:42,713 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:24:42,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-22 06:24:42,713 INFO L427 AbstractCegarLoop]: === Iteration 24 === [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 06:24:42,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:24:42,714 INFO L82 PathProgramCache]: Analyzing trace with hash 705971477, now seen corresponding path program 1 times [2020-08-22 06:24:42,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:24:42,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [359893913] [2020-08-22 06:24:42,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:24:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:42,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:24:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:24:42,762 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-08-22 06:24:42,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [359893913] [2020-08-22 06:24:42,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:24:42,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 06:24:42,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260461882] [2020-08-22 06:24:42,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 06:24:42,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:24:42,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 06:24:42,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 06:24:42,764 INFO L87 Difference]: Start difference. First operand 55 states and 58 transitions. Second operand 5 states. [2020-08-22 06:24:42,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:24:42,891 INFO L93 Difference]: Finished difference Result 60 states and 63 transitions. [2020-08-22 06:24:42,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 06:24:42,891 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-08-22 06:24:42,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:24:42,892 INFO L225 Difference]: With dead ends: 60 [2020-08-22 06:24:42,892 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 06:24:42,893 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-08-22 06:24:42,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 06:24:42,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 06:24:42,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 06:24:42,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 06:24:42,893 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-08-22 06:24:42,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:24:42,895 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 06:24:42,895 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 06:24:42,895 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 06:24:42,895 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 06:24:42,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-08-22 06:24:42,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 06:24:43,289 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 35 [2020-08-22 06:24:43,609 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 72 [2020-08-22 06:24:43,829 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2020-08-22 06:24:44,116 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2020-08-22 06:24:44,119 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 06:24:44,119 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|)) [2020-08-22 06:24:44,120 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 06:24:44,120 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 06:24:44,120 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 06:24:44,120 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 06:24:44,120 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 06:24:44,120 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-08-22 06:24:44,120 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-08-22 06:24:44,121 INFO L268 CegarLoopResult]: For program point L5-2(lines 4 6) no Hoare annotation was computed. [2020-08-22 06:24:44,121 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-08-22 06:24:44,121 INFO L268 CegarLoopResult]: For program point L192(lines 192 352) no Hoare annotation was computed. [2020-08-22 06:24:44,121 INFO L268 CegarLoopResult]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2020-08-22 06:24:44,121 INFO L268 CegarLoopResult]: For program point L382(lines 382 391) no Hoare annotation was computed. [2020-08-22 06:24:44,121 INFO L268 CegarLoopResult]: For program point L93(lines 93 410) no Hoare annotation was computed. [2020-08-22 06:24:44,121 INFO L268 CegarLoopResult]: For program point L27(lines 27 435) no Hoare annotation was computed. [2020-08-22 06:24:44,121 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 11 437) no Hoare annotation was computed. [2020-08-22 06:24:44,122 INFO L268 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-08-22 06:24:44,122 INFO L264 CegarLoopResult]: At program point L399(lines 129 400) the Hoare annotation is: (and (< main_~main__cp~0 main_~main__urilen~0) (= main_~__VERIFIER_assert__cond~3 1) (let ((.cse0 (< 0 main_~main__scheme~0)) (.cse1 (not (= main_~__VERIFIER_assert__cond~0 0))) (.cse2 (<= 1 main_~main__cp~0)) (.cse3 (not (= main_~__VERIFIER_assert__cond~1 0)))) (or (and .cse0 .cse1 (not (= main_~__VERIFIER_assert__cond~2 0)) (not (= main_~__VERIFIER_assert__cond~16 0)) .cse2 .cse3) (and .cse0 .cse1 (= main_~__VERIFIER_assert__cond~2 1) .cse2 .cse3))) (= |old(~__return_375~0)| ~__return_375~0)) [2020-08-22 06:24:44,122 INFO L268 CegarLoopResult]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 253) no Hoare annotation was computed. [2020-08-22 06:24:44,122 INFO L268 CegarLoopResult]: For program point L102(lines 102 409) no Hoare annotation was computed. [2020-08-22 06:24:44,122 INFO L268 CegarLoopResult]: For program point L69(lines 69 414) no Hoare annotation was computed. [2020-08-22 06:24:44,123 INFO L264 CegarLoopResult]: At program point L325(lines 260 326) the Hoare annotation is: (let ((.cse17 (+ main_~main__cp~0 1))) (let ((.cse0 (not (= main_~__VERIFIER_assert__cond~5 0))) (.cse1 (= main_~__VERIFIER_assert__cond~10 1)) (.cse2 (< 0 main_~main__scheme~0)) (.cse3 (not (= main_~main__urilen~0 .cse17))) (.cse4 (not (= main_~__VERIFIER_assert__cond~0 0))) (.cse5 (not (= main_~__VERIFIER_assert__cond~2 0))) (.cse6 (not (= main_~__VERIFIER_assert__cond~11 0))) (.cse7 (= main_~__VERIFIER_assert__cond~3 1)) (.cse8 (not (= main_~__VERIFIER_assert__cond~4 0))) (.cse9 (= |old(~__return_375~0)| ~__return_375~0)) (.cse10 (not (= main_~__VERIFIER_assert__cond~8 0))) (.cse11 (<= .cse17 main_~main__urilen~0)) (.cse12 (= main_~__VERIFIER_assert__cond~9 1)) (.cse13 (not (= main_~__VERIFIER_assert__cond~6 0))) (.cse14 (not (= main_~__VERIFIER_assert__cond~7 0))) (.cse15 (<= 1 main_~main__cp~0)) (.cse16 (not (= main_~__VERIFIER_assert__cond~1 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= 1 main_~main__c~0) .cse10 .cse11 .cse12 .cse13 .cse14 (not (= main_~__VERIFIER_assert__cond~15 0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= main_~__VERIFIER_assert__cond~14 0)) .cse15 (not (= main_~__VERIFIER_assert__cond~12 0)) .cse16) (and .cse0 .cse1 .cse2 (<= (+ main_~main__c~0 2) main_~main__tokenlen~0) .cse3 .cse4 .cse5 .cse6 (= main_~main__c~0 0) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16)))) [2020-08-22 06:24:44,123 INFO L268 CegarLoopResult]: For program point L292(lines 292 316) no Hoare annotation was computed. [2020-08-22 06:24:44,123 INFO L268 CegarLoopResult]: For program point L160(lines 160 357) no Hoare annotation was computed. [2020-08-22 06:24:44,123 INFO L268 CegarLoopResult]: For program point L61(lines 61 420) no Hoare annotation was computed. [2020-08-22 06:24:44,123 INFO L268 CegarLoopResult]: For program point L251(lines 251 327) no Hoare annotation was computed. [2020-08-22 06:24:44,123 INFO L268 CegarLoopResult]: For program point L185(lines 185 353) no Hoare annotation was computed. [2020-08-22 06:24:44,124 INFO L268 CegarLoopResult]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2020-08-22 06:24:44,124 INFO L264 CegarLoopResult]: At program point L408(lines 102 409) the Hoare annotation is: (and (not (= main_~__VERIFIER_assert__cond~0 0)) (= |old(~__return_375~0)| ~__return_375~0)) [2020-08-22 06:24:44,124 INFO L268 CegarLoopResult]: For program point L210(lines 210 344) no Hoare annotation was computed. [2020-08-22 06:24:44,124 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-08-22 06:24:44,124 INFO L268 CegarLoopResult]: For program point L45(lines 45 432) no Hoare annotation was computed. [2020-08-22 06:24:44,124 INFO L268 CegarLoopResult]: For program point L268(lines 268 320) no Hoare annotation was computed. [2020-08-22 06:24:44,124 INFO L268 CegarLoopResult]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 294) no Hoare annotation was computed. [2020-08-22 06:24:44,125 INFO L268 CegarLoopResult]: For program point L202(lines 202 351) no Hoare annotation was computed. [2020-08-22 06:24:44,125 INFO L268 CegarLoopResult]: For program point L260(lines 260 326) no Hoare annotation was computed. [2020-08-22 06:24:44,125 INFO L268 CegarLoopResult]: For program point L384(line 384) no Hoare annotation was computed. [2020-08-22 06:24:44,125 INFO L268 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-08-22 06:24:44,125 INFO L268 CegarLoopResult]: For program point L153(lines 153 358) no Hoare annotation was computed. [2020-08-22 06:24:44,125 INFO L268 CegarLoopResult]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2020-08-22 06:24:44,125 INFO L268 CegarLoopResult]: For program point L21(lines 21 436) no Hoare annotation was computed. [2020-08-22 06:24:44,125 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 11 437) no Hoare annotation was computed. [2020-08-22 06:24:44,126 INFO L268 CegarLoopResult]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 282) no Hoare annotation was computed. [2020-08-22 06:24:44,126 INFO L268 CegarLoopResult]: For program point L294(line 294) no Hoare annotation was computed. [2020-08-22 06:24:44,126 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2020-08-22 06:24:44,126 INFO L268 CegarLoopResult]: For program point L63(lines 63 415) no Hoare annotation was computed. [2020-08-22 06:24:44,126 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 11 437) the Hoare annotation is: (= |old(~__return_375~0)| ~__return_375~0) [2020-08-22 06:24:44,126 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-08-22 06:24:44,126 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-22 06:24:44,126 INFO L268 CegarLoopResult]: For program point L121(lines 121 401) no Hoare annotation was computed. [2020-08-22 06:24:44,127 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-08-22 06:24:44,127 INFO L268 CegarLoopResult]: For program point L270(line 270) no Hoare annotation was computed. [2020-08-22 06:24:44,127 INFO L268 CegarLoopResult]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 212) no Hoare annotation was computed. [2020-08-22 06:24:44,127 INFO L268 CegarLoopResult]: For program point L39(lines 39 433) no Hoare annotation was computed. [2020-08-22 06:24:44,127 INFO L268 CegarLoopResult]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 372) no Hoare annotation was computed. [2020-08-22 06:24:44,127 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-08-22 06:24:44,127 INFO L268 CegarLoopResult]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2020-08-22 06:24:44,128 INFO L268 CegarLoopResult]: For program point L370(lines 370 393) no Hoare annotation was computed. [2020-08-22 06:24:44,128 INFO L268 CegarLoopResult]: For program point L81(lines 81 412) no Hoare annotation was computed. [2020-08-22 06:24:44,128 INFO L268 CegarLoopResult]: For program point L304(lines 304 314) no Hoare annotation was computed. [2020-08-22 06:24:44,128 INFO L268 CegarLoopResult]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 306) no Hoare annotation was computed. [2020-08-22 06:24:44,128 INFO L268 CegarLoopResult]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2020-08-22 06:24:44,128 INFO L268 CegarLoopResult]: For program point L222(lines 222 342) no Hoare annotation was computed. [2020-08-22 06:24:44,128 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-08-22 06:24:44,128 INFO L268 CegarLoopResult]: For program point L57(lines 57 430) no Hoare annotation was computed. [2020-08-22 06:24:44,129 INFO L264 CegarLoopResult]: At program point L313(lines 228 342) the Hoare annotation is: (let ((.cse17 (+ main_~main__cp~0 1))) (let ((.cse4 (not (= main_~__VERIFIER_assert__cond~11 0))) (.cse9 (not (= main_~__VERIFIER_assert__cond~8 0))) (.cse11 (not (= main_~__VERIFIER_assert__cond~10 0))) (.cse0 (not (= main_~__VERIFIER_assert__cond~5 0))) (.cse1 (< 0 main_~main__scheme~0)) (.cse2 (not (= main_~__VERIFIER_assert__cond~0 0))) (.cse3 (not (= main_~__VERIFIER_assert__cond~2 0))) (.cse5 (= main_~main__c~0 0)) (.cse6 (= main_~__VERIFIER_assert__cond~3 1)) (.cse7 (not (= main_~__VERIFIER_assert__cond~4 0))) (.cse8 (= |old(~__return_375~0)| ~__return_375~0)) (.cse10 (<= .cse17 main_~main__urilen~0)) (.cse12 (= main_~__VERIFIER_assert__cond~9 1)) (.cse13 (not (= main_~__VERIFIER_assert__cond~6 0))) (.cse14 (not (= main_~__VERIFIER_assert__cond~7 0))) (.cse15 (<= 1 main_~main__cp~0)) (.cse16 (not (= main_~__VERIFIER_assert__cond~1 0)))) (or (and .cse0 .cse1 (<= (+ main_~main__c~0 2) main_~main__tokenlen~0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 .cse7 .cse8 (<= 1 main_~main__c~0) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (not (= main_~__VERIFIER_assert__cond~15 0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= main_~__VERIFIER_assert__cond~14 0)) .cse15 (not (= main_~__VERIFIER_assert__cond~12 0)) .cse16) (and (< .cse17 main_~main__urilen~0) .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse7 .cse8 .cse10 .cse12 .cse13 .cse14 .cse15 (= main_~__VERIFIER_assert__cond~8 1) .cse16)))) [2020-08-22 06:24:44,129 INFO L268 CegarLoopResult]: For program point L280(lines 280 318) no Hoare annotation was computed. [2020-08-22 06:24:44,129 INFO L268 CegarLoopResult]: For program point L239(lines 239 329) no Hoare annotation was computed. [2020-08-22 06:24:44,129 INFO L268 CegarLoopResult]: For program point L173(lines 173 355) no Hoare annotation was computed. [2020-08-22 06:24:44,129 INFO L268 CegarLoopResult]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 241) no Hoare annotation was computed. [2020-08-22 06:24:44,130 INFO L268 CegarLoopResult]: For program point L33(lines 33 434) no Hoare annotation was computed. [2020-08-22 06:24:44,130 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed. [2020-08-22 06:24:44,130 INFO L268 CegarLoopResult]: For program point L372(line 372) no Hoare annotation was computed. [2020-08-22 06:24:44,130 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-08-22 06:24:44,130 INFO L268 CegarLoopResult]: For program point L306(line 306) no Hoare annotation was computed. [2020-08-22 06:24:44,130 INFO L268 CegarLoopResult]: For program point L141(lines 141 360) no Hoare annotation was computed. [2020-08-22 06:24:44,130 INFO L268 CegarLoopResult]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 224) no Hoare annotation was computed. [2020-08-22 06:24:44,130 INFO L268 CegarLoopResult]: For program point L232(lines 232 336) no Hoare annotation was computed. [2020-08-22 06:24:44,131 INFO L268 CegarLoopResult]: For program point mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 384) no Hoare annotation was computed. [2020-08-22 06:24:44,131 INFO L268 CegarLoopResult]: For program point L133(lines 133 395) no Hoare annotation was computed. [2020-08-22 06:24:44,131 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-08-22 06:24:44,131 INFO L268 CegarLoopResult]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 143) no Hoare annotation was computed. [2020-08-22 06:24:44,131 INFO L268 CegarLoopResult]: For program point L59(lines 59 425) no Hoare annotation was computed. [2020-08-22 06:24:44,131 INFO L268 CegarLoopResult]: For program point L282(line 282) no Hoare annotation was computed. [2020-08-22 06:24:44,131 INFO L268 CegarLoopResult]: For program point L51(lines 51 431) no Hoare annotation was computed. [2020-08-22 06:24:44,131 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-08-22 06:24:44,132 INFO L268 CegarLoopResult]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 270) no Hoare annotation was computed. [2020-08-22 06:24:44,132 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-22 06:24:44,132 INFO L268 CegarLoopResult]: For program point L109(lines 109 403) no Hoare annotation was computed. [2020-08-22 06:24:44,132 INFO L264 CegarLoopResult]: At program point L390(lines 127 401) the Hoare annotation is: (and (let ((.cse0 (< 0 main_~main__scheme~0)) (.cse1 (not (= main_~__VERIFIER_assert__cond~0 0))) (.cse2 (= main_~__VERIFIER_assert__cond~3 1)) (.cse3 (<= 1 main_~main__cp~0)) (.cse4 (not (= main_~__VERIFIER_assert__cond~1 0)))) (or (and .cse0 .cse1 .cse2 (= main_~__VERIFIER_assert__cond~2 1) .cse3 .cse4) (and .cse0 .cse1 (not (= main_~__VERIFIER_assert__cond~2 0)) .cse2 (not (= main_~__VERIFIER_assert__cond~16 0)) (not (= main_~__VERIFIER_assert__cond~17 0)) .cse3 .cse4))) (= |old(~__return_375~0)| ~__return_375~0) (<= (+ main_~main__cp~0 1) main_~main__urilen~0)) [2020-08-22 06:24:44,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 06:24:44 BoogieIcfgContainer [2020-08-22 06:24:44,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 06:24:44,190 INFO L168 Benchmark]: Toolchain (without parser) took 9613.90 ms. Allocated memory was 140.5 MB in the beginning and 327.7 MB in the end (delta: 187.2 MB). Free memory was 103.9 MB in the beginning and 194.0 MB in the end (delta: -90.0 MB). Peak memory consumption was 169.0 MB. Max. memory is 7.1 GB. [2020-08-22 06:24:44,190 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-22 06:24:44,191 INFO L168 Benchmark]: CACSL2BoogieTranslator took 457.12 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 103.7 MB in the beginning and 182.8 MB in the end (delta: -79.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2020-08-22 06:24:44,192 INFO L168 Benchmark]: Boogie Preprocessor took 70.31 ms. Allocated memory is still 203.9 MB. Free memory was 182.8 MB in the beginning and 180.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-08-22 06:24:44,192 INFO L168 Benchmark]: RCFGBuilder took 528.18 ms. Allocated memory is still 203.9 MB. Free memory was 180.3 MB in the beginning and 152.3 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2020-08-22 06:24:44,198 INFO L168 Benchmark]: TraceAbstraction took 8552.23 ms. Allocated memory was 203.9 MB in the beginning and 327.7 MB in the end (delta: 123.7 MB). Free memory was 151.6 MB in the beginning and 194.0 MB in the end (delta: -42.3 MB). Peak memory consumption was 153.3 MB. Max. memory is 7.1 GB. [2020-08-22 06:24:44,204 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 457.12 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 103.7 MB in the beginning and 182.8 MB in the end (delta: -79.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 70.31 ms. Allocated memory is still 203.9 MB. Free memory was 182.8 MB in the beginning and 180.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 528.18 ms. Allocated memory is still 203.9 MB. Free memory was 180.3 MB in the beginning and 152.3 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8552.23 ms. Allocated memory was 203.9 MB in the beginning and 327.7 MB in the end (delta: 123.7 MB). Free memory was 151.6 MB in the beginning and 194.0 MB in the end (delta: -42.3 MB). Peak memory consumption was 153.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 83]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 306]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 372]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 187]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 212]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 282]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 224]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 241]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 294]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 270]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 143]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 253]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 384]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 111]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 175]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 155]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 123]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 95]: 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: 127]: Loop Invariant Derived loop invariant: (((((((0 < main__scheme && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && __VERIFIER_assert__cond == 1) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0)) || (((((((0 < main__scheme && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0))) && \old(__return_375) == __return_375) && main__cp + 1 <= main__urilen - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: !(__VERIFIER_assert__cond == 0) && \old(__return_375) == __return_375 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(__VERIFIER_assert__cond == 0) && 0 < main__scheme) && main__c + 2 <= main__tokenlen) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && main__c == 0) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && \old(__return_375) == __return_375) && !(__VERIFIER_assert__cond == 0)) && main__cp + 1 <= main__urilen) && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0)) || ((((((((((((((((((((!(__VERIFIER_assert__cond == 0) && 0 < main__scheme) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && \old(__return_375) == __return_375) && 1 <= main__c) && !(__VERIFIER_assert__cond == 0)) && main__cp + 1 <= main__urilen) && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0))) || (((((((((((((((main__cp + 1 < main__urilen && !(__VERIFIER_assert__cond == 0)) && 0 < main__scheme) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && main__c == 0) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && \old(__return_375) == __return_375) && main__cp + 1 <= main__urilen) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && 1 <= main__cp) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: ((main__cp < main__urilen && __VERIFIER_assert__cond == 1) && ((((((0 < main__scheme && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0)) || ((((0 < main__scheme && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0)))) && \old(__return_375) == __return_375 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (((((((((((((((((((((!(__VERIFIER_assert__cond == 0) && __VERIFIER_assert__cond == 1) && 0 < main__scheme) && !(main__urilen == main__cp + 1)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && \old(__return_375) == __return_375) && 1 <= main__c) && !(__VERIFIER_assert__cond == 0)) && main__cp + 1 <= main__urilen) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) || ((((((((((((((((((!(__VERIFIER_assert__cond == 0) && __VERIFIER_assert__cond == 1) && 0 < main__scheme) && main__c + 2 <= main__tokenlen) && !(main__urilen == main__cp + 1)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && main__c == 0) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && \old(__return_375) == __return_375) && !(__VERIFIER_assert__cond == 0)) && main__cp + 1 <= main__urilen) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && 1 <= main__cp) && !(__VERIFIER_assert__cond == 0)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 91 locations, 18 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.2s, OverallIterations: 24, TraceHistogramMax: 2, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1392 SDtfs, 3840 SDslu, 353 SDs, 0 SdLazy, 2587 SolverSat, 194 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 265 GetRequests, 85 SyntacticMatches, 2 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred 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: 0.2s AutomataMinimizationTime, 24 MinimizatonAttempts, 288 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 17 NumberOfFragments, 503 HoareAnnotationTreeSize, 9 FomulaSimplifications, 76237 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2678 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 801 NumberOfCodeBlocks, 801 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 777 ConstructedInterpolants, 0 QuantifiedInterpolants, 58141 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 21 PerfectInterpolantSequences, 13/19 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...