/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 CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:40:55,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:40:55,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:40:55,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-19 21:40:55,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:40:55,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:40:55,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:40:55,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:40:55,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:40:55,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:40:55,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:40:55,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:40:55,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:40:55,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:40:55,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:40:55,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:40:55,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-19 21:40:55,879 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 21:40:55,901 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:40:55,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:40:55,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:40:55,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:40:55,905 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:40:55,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:40:55,905 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:40:55,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:40:55,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:40:55,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:40:55,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:40:55,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:40:55,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:40:55,908 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:40:55,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:40:55,909 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:40:55,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:40:55,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:40:55,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:40:55,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:40:55,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:40:55,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:40:55,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:40:55,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:40:55,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:40:55,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:40:55,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:40:55,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:40:55,911 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:40:55,911 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 21:40:56,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:40:56,211 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:40:56,215 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:40:56,217 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:40:56,218 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:40:56,218 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2020-07-19 21:40:56,283 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/352d05408/dd1250da07924be99aaf5bc9708d540e/FLAG1b8287901 [2020-07-19 21:40:56,861 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:40:56,862 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2020-07-19 21:40:56,875 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/352d05408/dd1250da07924be99aaf5bc9708d540e/FLAG1b8287901 [2020-07-19 21:40:57,088 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/352d05408/dd1250da07924be99aaf5bc9708d540e [2020-07-19 21:40:57,103 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:40:57,106 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:40:57,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:40:57,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:40:57,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:40:57,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:40:57" (1/1) ... [2020-07-19 21:40:57,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38b29a87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:40:57, skipping insertion in model container [2020-07-19 21:40:57,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:40:57" (1/1) ... [2020-07-19 21:40:57,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:40:57,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:40:57,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:40:57,973 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:40:58,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:40:58,182 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:40:58,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:40:58 WrapperNode [2020-07-19 21:40:58,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:40:58,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:40:58,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:40:58,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:40:58,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:40:58" (1/1) ... [2020-07-19 21:40:58,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:40:58" (1/1) ... [2020-07-19 21:40:58,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:40:58" (1/1) ... [2020-07-19 21:40:58,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:40:58" (1/1) ... [2020-07-19 21:40:58,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:40:58" (1/1) ... [2020-07-19 21:40:58,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:40:58" (1/1) ... [2020-07-19 21:40:58,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:40:58" (1/1) ... [2020-07-19 21:40:58,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:40:58,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:40:58,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:40:58,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:40:58,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:40:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-19 21:40:58,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:40:58,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:40:58,426 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-19 21:40:58,426 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:40:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-19 21:40:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:40:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:40:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-19 21:40:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:40:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:40:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:41:00,002 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:41:00,002 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-19 21:41:00,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:41:00 BoogieIcfgContainer [2020-07-19 21:41:00,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:41:00,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:41:00,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:41:00,022 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:41:00,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:40:57" (1/3) ... [2020-07-19 21:41:00,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5efb192b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:41:00, skipping insertion in model container [2020-07-19 21:41:00,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:40:58" (2/3) ... [2020-07-19 21:41:00,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5efb192b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:41:00, skipping insertion in model container [2020-07-19 21:41:00,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:41:00" (3/3) ... [2020-07-19 21:41:00,027 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label38.c [2020-07-19 21:41:00,039 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:41:00,048 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:41:00,063 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:41:00,091 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:41:00,091 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:41:00,091 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:41:00,091 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:41:00,091 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:41:00,092 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:41:00,092 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:41:00,092 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:41:00,117 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-07-19 21:41:00,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-19 21:41:00,127 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:41:00,128 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:41:00,129 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:41:00,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:41:00,135 INFO L82 PathProgramCache]: Analyzing trace with hash -281448013, now seen corresponding path program 1 times [2020-07-19 21:41:00,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:41:00,146 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559127896] [2020-07-19 21:41:00,147 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 [2020-07-19 21:41:00,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:00,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:41:00,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559127896] [2020-07-19 21:41:00,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:41:00,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 21:41:00,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431769968] [2020-07-19 21:41:00,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:41:00,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:41:00,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:41:00,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 21:41:00,683 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-07-19 21:41:03,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:41:03,780 INFO L93 Difference]: Finished difference Result 902 states and 1625 transitions. [2020-07-19 21:41:03,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 21:41:03,782 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-07-19 21:41:03,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:41:03,803 INFO L225 Difference]: With dead ends: 902 [2020-07-19 21:41:03,804 INFO L226 Difference]: Without dead ends: 564 [2020-07-19 21:41:03,815 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:41:03,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-07-19 21:41:03,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 376. [2020-07-19 21:41:03,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-07-19 21:41:03,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 528 transitions. [2020-07-19 21:41:03,916 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 528 transitions. Word has length 56 [2020-07-19 21:41:03,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:41:03,917 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 528 transitions. [2020-07-19 21:41:03,917 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:41:03,917 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 528 transitions. [2020-07-19 21:41:03,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-07-19 21:41:03,925 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:41:03,925 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:41:03,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:41:03,926 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:41:03,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:41:03,926 INFO L82 PathProgramCache]: Analyzing trace with hash 123351809, now seen corresponding path program 1 times [2020-07-19 21:41:03,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:41:03,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717625343] [2020-07-19 21:41:03,927 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 [2020-07-19 21:41:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:04,381 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:41:04,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717625343] [2020-07-19 21:41:04,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:41:04,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 21:41:04,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515929457] [2020-07-19 21:41:04,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:41:04,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:41:04,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:41:04,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:41:04,386 INFO L87 Difference]: Start difference. First operand 376 states and 528 transitions. Second operand 8 states. [2020-07-19 21:41:06,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:41:06,668 INFO L93 Difference]: Finished difference Result 1134 states and 1534 transitions. [2020-07-19 21:41:06,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 21:41:06,669 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 139 [2020-07-19 21:41:06,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:41:06,676 INFO L225 Difference]: With dead ends: 1134 [2020-07-19 21:41:06,676 INFO L226 Difference]: Without dead ends: 764 [2020-07-19 21:41:06,679 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-19 21:41:06,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2020-07-19 21:41:06,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 564. [2020-07-19 21:41:06,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2020-07-19 21:41:06,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 750 transitions. [2020-07-19 21:41:06,721 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 750 transitions. Word has length 139 [2020-07-19 21:41:06,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:41:06,722 INFO L479 AbstractCegarLoop]: Abstraction has 564 states and 750 transitions. [2020-07-19 21:41:06,722 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:41:06,722 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 750 transitions. [2020-07-19 21:41:06,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-07-19 21:41:06,727 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:41:06,727 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:41:06,728 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 21:41:06,728 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:41:06,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:41:06,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1050217491, now seen corresponding path program 1 times [2020-07-19 21:41:06,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:41:06,729 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346689244] [2020-07-19 21:41:06,729 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 [2020-07-19 21:41:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:06,999 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:41:07,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346689244] [2020-07-19 21:41:07,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626161958] [2020-07-19 21:41:07,001 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:07,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:41:07,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:41:07,263 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:41:07,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:41:07,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-07-19 21:41:07,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521551007] [2020-07-19 21:41:07,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:41:07,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:41:07,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:41:07,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-19 21:41:07,282 INFO L87 Difference]: Start difference. First operand 564 states and 750 transitions. Second operand 3 states. [2020-07-19 21:41:08,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:41:08,320 INFO L93 Difference]: Finished difference Result 1674 states and 2258 transitions. [2020-07-19 21:41:08,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:41:08,321 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2020-07-19 21:41:08,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:41:08,338 INFO L225 Difference]: With dead ends: 1674 [2020-07-19 21:41:08,338 INFO L226 Difference]: Without dead ends: 1116 [2020-07-19 21:41:08,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-19 21:41:08,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-07-19 21:41:08,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2020-07-19 21:41:08,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-07-19 21:41:08,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1450 transitions. [2020-07-19 21:41:08,431 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1450 transitions. Word has length 165 [2020-07-19 21:41:08,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:41:08,433 INFO L479 AbstractCegarLoop]: Abstraction has 1116 states and 1450 transitions. [2020-07-19 21:41:08,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:41:08,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1450 transitions. [2020-07-19 21:41:08,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-07-19 21:41:08,445 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:41:08,445 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:41:08,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-19 21:41:08,660 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:41:08,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:41:08,661 INFO L82 PathProgramCache]: Analyzing trace with hash 502777661, now seen corresponding path program 1 times [2020-07-19 21:41:08,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:41:08,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071385710] [2020-07-19 21:41:08,663 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 [2020-07-19 21:41:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:08,912 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:41:08,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071385710] [2020-07-19 21:41:08,913 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36058024] [2020-07-19 21:41:08,913 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:08,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:41:08,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:41:09,040 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:41:09,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:41:09,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-07-19 21:41:09,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207936083] [2020-07-19 21:41:09,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:41:09,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:41:09,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:41:09,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-19 21:41:09,047 INFO L87 Difference]: Start difference. First operand 1116 states and 1450 transitions. Second operand 3 states. [2020-07-19 21:41:09,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:41:09,945 INFO L93 Difference]: Finished difference Result 1856 states and 2488 transitions. [2020-07-19 21:41:09,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:41:09,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-07-19 21:41:09,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:41:09,958 INFO L225 Difference]: With dead ends: 1856 [2020-07-19 21:41:09,958 INFO L226 Difference]: Without dead ends: 1854 [2020-07-19 21:41:09,960 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-19 21:41:09,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1854 states. [2020-07-19 21:41:10,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1854 to 1304. [2020-07-19 21:41:10,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1304 states. [2020-07-19 21:41:10,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 1769 transitions. [2020-07-19 21:41:10,010 INFO L78 Accepts]: Start accepts. Automaton has 1304 states and 1769 transitions. Word has length 189 [2020-07-19 21:41:10,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:41:10,012 INFO L479 AbstractCegarLoop]: Abstraction has 1304 states and 1769 transitions. [2020-07-19 21:41:10,012 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:41:10,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 1769 transitions. [2020-07-19 21:41:10,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-07-19 21:41:10,016 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:41:10,016 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:41:10,229 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:10,230 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:41:10,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:41:10,230 INFO L82 PathProgramCache]: Analyzing trace with hash 837695806, now seen corresponding path program 1 times [2020-07-19 21:41:10,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:41:10,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859952396] [2020-07-19 21:41:10,231 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 [2020-07-19 21:41:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:10,468 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 98 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-19 21:41:10,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859952396] [2020-07-19 21:41:10,469 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564492752] [2020-07-19 21:41:10,469 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:10,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-19 21:41:10,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:41:10,767 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-07-19 21:41:10,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:41:10,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2020-07-19 21:41:10,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710256744] [2020-07-19 21:41:10,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:41:10,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:41:10,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:41:10,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:41:10,772 INFO L87 Difference]: Start difference. First operand 1304 states and 1769 transitions. Second operand 5 states. [2020-07-19 21:41:12,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:41:12,373 INFO L93 Difference]: Finished difference Result 3194 states and 4515 transitions. [2020-07-19 21:41:12,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 21:41:12,374 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 209 [2020-07-19 21:41:12,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:41:12,385 INFO L225 Difference]: With dead ends: 3194 [2020-07-19 21:41:12,385 INFO L226 Difference]: Without dead ends: 1896 [2020-07-19 21:41:12,388 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-07-19 21:41:12,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1896 states. [2020-07-19 21:41:12,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1896 to 1870. [2020-07-19 21:41:12,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1870 states. [2020-07-19 21:41:12,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1870 states and 2428 transitions. [2020-07-19 21:41:12,458 INFO L78 Accepts]: Start accepts. Automaton has 1870 states and 2428 transitions. Word has length 209 [2020-07-19 21:41:12,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:41:12,459 INFO L479 AbstractCegarLoop]: Abstraction has 1870 states and 2428 transitions. [2020-07-19 21:41:12,459 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:41:12,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2428 transitions. [2020-07-19 21:41:12,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-19 21:41:12,466 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:41:12,466 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:41:12,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:12,681 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:41:12,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:41:12,682 INFO L82 PathProgramCache]: Analyzing trace with hash -456723841, now seen corresponding path program 1 times [2020-07-19 21:41:12,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:41:12,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782645280] [2020-07-19 21:41:12,683 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 [2020-07-19 21:41:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:12,934 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 98 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-19 21:41:12,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782645280] [2020-07-19 21:41:12,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131356906] [2020-07-19 21:41:12,936 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:13,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-19 21:41:13,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:41:13,073 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-19 21:41:13,074 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:41:13,075 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:41:13,099 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:41:13,238 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-07-19 21:41:13,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:41:13,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2020-07-19 21:41:13,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622593680] [2020-07-19 21:41:13,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:41:13,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:41:13,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:41:13,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:41:13,243 INFO L87 Difference]: Start difference. First operand 1870 states and 2428 transitions. Second operand 5 states. [2020-07-19 21:41:14,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:41:14,710 INFO L93 Difference]: Finished difference Result 4136 states and 5379 transitions. [2020-07-19 21:41:14,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 21:41:14,711 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 212 [2020-07-19 21:41:14,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:41:14,723 INFO L225 Difference]: With dead ends: 4136 [2020-07-19 21:41:14,724 INFO L226 Difference]: Without dead ends: 2272 [2020-07-19 21:41:14,729 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2020-07-19 21:41:14,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2020-07-19 21:41:14,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2248. [2020-07-19 21:41:14,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2248 states. [2020-07-19 21:41:14,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2248 states to 2248 states and 2855 transitions. [2020-07-19 21:41:14,796 INFO L78 Accepts]: Start accepts. Automaton has 2248 states and 2855 transitions. Word has length 212 [2020-07-19 21:41:14,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:41:14,797 INFO L479 AbstractCegarLoop]: Abstraction has 2248 states and 2855 transitions. [2020-07-19 21:41:14,797 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:41:14,797 INFO L276 IsEmpty]: Start isEmpty. Operand 2248 states and 2855 transitions. [2020-07-19 21:41:14,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-07-19 21:41:14,800 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:41:14,800 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:41:15,015 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:15,016 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:41:15,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:41:15,017 INFO L82 PathProgramCache]: Analyzing trace with hash -657639750, now seen corresponding path program 1 times [2020-07-19 21:41:15,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:41:15,018 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961857907] [2020-07-19 21:41:15,019 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 [2020-07-19 21:41:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:15,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:15,548 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 128 proven. 52 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:41:15,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961857907] [2020-07-19 21:41:15,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120989348] [2020-07-19 21:41:15,549 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:15,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-19 21:41:15,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:41:15,817 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 4, 1] term [2020-07-19 21:41:15,817 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:41:15,819 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:41:15,820 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 21:41:16,102 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:41:16,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:41:16,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2020-07-19 21:41:16,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066173082] [2020-07-19 21:41:16,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-19 21:41:16,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:41:16,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-19 21:41:16,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2020-07-19 21:41:16,105 INFO L87 Difference]: Start difference. First operand 2248 states and 2855 transitions. Second operand 15 states. [2020-07-19 21:41:20,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:41:20,517 INFO L93 Difference]: Finished difference Result 4614 states and 5874 transitions. [2020-07-19 21:41:20,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-19 21:41:20,517 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 223 [2020-07-19 21:41:20,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:41:20,527 INFO L225 Difference]: With dead ends: 4614 [2020-07-19 21:41:20,527 INFO L226 Difference]: Without dead ends: 2327 [2020-07-19 21:41:20,533 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=318, Invalid=1164, Unknown=0, NotChecked=0, Total=1482 [2020-07-19 21:41:20,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2327 states. [2020-07-19 21:41:20,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2327 to 2246. [2020-07-19 21:41:20,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2246 states. [2020-07-19 21:41:20,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 2246 states and 2658 transitions. [2020-07-19 21:41:20,614 INFO L78 Accepts]: Start accepts. Automaton has 2246 states and 2658 transitions. Word has length 223 [2020-07-19 21:41:20,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:41:20,615 INFO L479 AbstractCegarLoop]: Abstraction has 2246 states and 2658 transitions. [2020-07-19 21:41:20,615 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-19 21:41:20,615 INFO L276 IsEmpty]: Start isEmpty. Operand 2246 states and 2658 transitions. [2020-07-19 21:41:20,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-07-19 21:41:20,621 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:41:20,622 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:41:20,838 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-19 21:41:20,838 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:41:20,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:41:20,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1026423962, now seen corresponding path program 1 times [2020-07-19 21:41:20,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:41:20,840 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835201777] [2020-07-19 21:41:20,840 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 [2020-07-19 21:41:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:21,682 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 245 proven. 94 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-07-19 21:41:21,682 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835201777] [2020-07-19 21:41:21,683 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927411559] [2020-07-19 21:41:21,683 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:21,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-19 21:41:21,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:41:21,908 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 314 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-07-19 21:41:21,908 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:41:21,909 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 13 [2020-07-19 21:41:21,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4134760] [2020-07-19 21:41:21,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-19 21:41:21,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:41:21,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-19 21:41:21,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-07-19 21:41:21,911 INFO L87 Difference]: Start difference. First operand 2246 states and 2658 transitions. Second operand 13 states. [2020-07-19 21:41:28,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:41:28,045 INFO L93 Difference]: Finished difference Result 5814 states and 6975 transitions. [2020-07-19 21:41:28,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-07-19 21:41:28,046 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 358 [2020-07-19 21:41:28,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:41:28,062 INFO L225 Difference]: With dead ends: 5814 [2020-07-19 21:41:28,062 INFO L226 Difference]: Without dead ends: 3574 [2020-07-19 21:41:28,068 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 750 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=469, Invalid=2287, Unknown=0, NotChecked=0, Total=2756 [2020-07-19 21:41:28,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3574 states. [2020-07-19 21:41:28,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3574 to 2998. [2020-07-19 21:41:28,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2998 states. [2020-07-19 21:41:28,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2998 states to 2998 states and 3526 transitions. [2020-07-19 21:41:28,139 INFO L78 Accepts]: Start accepts. Automaton has 2998 states and 3526 transitions. Word has length 358 [2020-07-19 21:41:28,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:41:28,140 INFO L479 AbstractCegarLoop]: Abstraction has 2998 states and 3526 transitions. [2020-07-19 21:41:28,140 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-19 21:41:28,140 INFO L276 IsEmpty]: Start isEmpty. Operand 2998 states and 3526 transitions. [2020-07-19 21:41:28,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2020-07-19 21:41:28,149 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:41:28,149 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:41:28,363 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:28,364 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:41:28,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:41:28,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1567093203, now seen corresponding path program 1 times [2020-07-19 21:41:28,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:41:28,365 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664020909] [2020-07-19 21:41:28,365 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 [2020-07-19 21:41:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:29,180 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 448 proven. 6 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2020-07-19 21:41:29,180 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664020909] [2020-07-19 21:41:29,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437657400] [2020-07-19 21:41:29,181 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:29,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-19 21:41:29,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:41:29,410 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 4, 1] term [2020-07-19 21:41:29,411 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:41:29,414 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:41:29,416 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 21:41:29,726 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 449 proven. 2 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-07-19 21:41:29,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:41:29,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2020-07-19 21:41:29,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205515723] [2020-07-19 21:41:29,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 21:41:29,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:41:29,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 21:41:29,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:41:29,729 INFO L87 Difference]: Start difference. First operand 2998 states and 3526 transitions. Second operand 11 states. [2020-07-19 21:41:33,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:41:33,160 INFO L93 Difference]: Finished difference Result 5922 states and 6981 transitions. [2020-07-19 21:41:33,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-19 21:41:33,161 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 442 [2020-07-19 21:41:33,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:41:33,173 INFO L225 Difference]: With dead ends: 5922 [2020-07-19 21:41:33,173 INFO L226 Difference]: Without dead ends: 2891 [2020-07-19 21:41:33,180 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 465 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=199, Invalid=613, Unknown=0, NotChecked=0, Total=812 [2020-07-19 21:41:33,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2891 states. [2020-07-19 21:41:33,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2891 to 2814. [2020-07-19 21:41:33,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2814 states. [2020-07-19 21:41:33,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2814 states and 3136 transitions. [2020-07-19 21:41:33,238 INFO L78 Accepts]: Start accepts. Automaton has 2814 states and 3136 transitions. Word has length 442 [2020-07-19 21:41:33,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:41:33,239 INFO L479 AbstractCegarLoop]: Abstraction has 2814 states and 3136 transitions. [2020-07-19 21:41:33,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 21:41:33,239 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 3136 transitions. [2020-07-19 21:41:33,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2020-07-19 21:41:33,252 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:41:33,253 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:41:33,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:33,467 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:41:33,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:41:33,468 INFO L82 PathProgramCache]: Analyzing trace with hash 808508418, now seen corresponding path program 1 times [2020-07-19 21:41:33,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:41:33,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611289107] [2020-07-19 21:41:33,469 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 [2020-07-19 21:41:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:34,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 828 proven. 104 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-07-19 21:41:34,291 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611289107] [2020-07-19 21:41:34,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225456089] [2020-07-19 21:41:34,292 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:34,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-19 21:41:34,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:41:34,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 740 proven. 2 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2020-07-19 21:41:34,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:41:34,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 14 [2020-07-19 21:41:34,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465333957] [2020-07-19 21:41:34,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-19 21:41:34,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:41:34,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-19 21:41:34,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-07-19 21:41:34,694 INFO L87 Difference]: Start difference. First operand 2814 states and 3136 transitions. Second operand 14 states. [2020-07-19 21:41:40,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:41:40,488 INFO L93 Difference]: Finished difference Result 7915 states and 9051 transitions. [2020-07-19 21:41:40,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-07-19 21:41:40,489 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 548 [2020-07-19 21:41:40,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:41:40,509 INFO L225 Difference]: With dead ends: 7915 [2020-07-19 21:41:40,509 INFO L226 Difference]: Without dead ends: 5074 [2020-07-19 21:41:40,516 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 621 GetRequests, 581 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 431 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=342, Invalid=1380, Unknown=0, NotChecked=0, Total=1722 [2020-07-19 21:41:40,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5074 states. [2020-07-19 21:41:40,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5074 to 4296. [2020-07-19 21:41:40,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4296 states. [2020-07-19 21:41:40,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4296 states to 4296 states and 4766 transitions. [2020-07-19 21:41:40,605 INFO L78 Accepts]: Start accepts. Automaton has 4296 states and 4766 transitions. Word has length 548 [2020-07-19 21:41:40,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:41:40,606 INFO L479 AbstractCegarLoop]: Abstraction has 4296 states and 4766 transitions. [2020-07-19 21:41:40,606 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-19 21:41:40,606 INFO L276 IsEmpty]: Start isEmpty. Operand 4296 states and 4766 transitions. [2020-07-19 21:41:40,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2020-07-19 21:41:40,614 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:41:40,615 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:41:40,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 21:41:40,829 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:41:40,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:41:40,830 INFO L82 PathProgramCache]: Analyzing trace with hash -197580945, now seen corresponding path program 1 times [2020-07-19 21:41:40,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:41:40,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721667454] [2020-07-19 21:41:40,831 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 [2020-07-19 21:41:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:41,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 650 proven. 164 refuted. 0 times theorem prover too weak. 834 trivial. 0 not checked. [2020-07-19 21:41:41,867 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721667454] [2020-07-19 21:41:41,867 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353463638] [2020-07-19 21:41:41,868 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:42,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-19 21:41:42,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:41:42,123 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-19 21:41:42,128 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:41:42,129 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:41:42,150 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:41:42,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 1151 proven. 2 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2020-07-19 21:41:42,725 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:41:42,725 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2020-07-19 21:41:42,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447356029] [2020-07-19 21:41:42,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 21:41:42,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:41:42,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 21:41:42,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:41:42,731 INFO L87 Difference]: Start difference. First operand 4296 states and 4766 transitions. Second operand 12 states. [2020-07-19 21:41:46,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:41:46,631 INFO L93 Difference]: Finished difference Result 9516 states and 10503 transitions. [2020-07-19 21:41:46,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-19 21:41:46,632 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 674 [2020-07-19 21:41:46,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:41:46,646 INFO L225 Difference]: With dead ends: 9516 [2020-07-19 21:41:46,646 INFO L226 Difference]: Without dead ends: 5226 [2020-07-19 21:41:46,659 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 726 GetRequests, 697 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=191, Invalid=679, Unknown=0, NotChecked=0, Total=870 [2020-07-19 21:41:46,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5226 states. [2020-07-19 21:41:46,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5226 to 3754. [2020-07-19 21:41:46,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3754 states. [2020-07-19 21:41:46,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3754 states to 3754 states and 4202 transitions. [2020-07-19 21:41:46,738 INFO L78 Accepts]: Start accepts. Automaton has 3754 states and 4202 transitions. Word has length 674 [2020-07-19 21:41:46,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:41:46,740 INFO L479 AbstractCegarLoop]: Abstraction has 3754 states and 4202 transitions. [2020-07-19 21:41:46,740 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 21:41:46,740 INFO L276 IsEmpty]: Start isEmpty. Operand 3754 states and 4202 transitions. [2020-07-19 21:41:46,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 708 [2020-07-19 21:41:46,750 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:41:46,751 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:41:46,965 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:46,966 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:41:46,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:41:46,966 INFO L82 PathProgramCache]: Analyzing trace with hash 123214354, now seen corresponding path program 1 times [2020-07-19 21:41:46,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:41:46,967 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322953459] [2020-07-19 21:41:46,967 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 [2020-07-19 21:41:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:48,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 708 proven. 10 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2020-07-19 21:41:48,038 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322953459] [2020-07-19 21:41:48,038 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727633298] [2020-07-19 21:41:48,038 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:48,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-19 21:41:48,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:41:48,301 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 21:41:48,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 948 proven. 2 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2020-07-19 21:41:48,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:41:48,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 14 [2020-07-19 21:41:48,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780485190] [2020-07-19 21:41:48,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-19 21:41:48,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:41:48,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-19 21:41:48,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-07-19 21:41:48,517 INFO L87 Difference]: Start difference. First operand 3754 states and 4202 transitions. Second operand 14 states. [2020-07-19 21:41:54,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:41:54,540 INFO L93 Difference]: Finished difference Result 8173 states and 9123 transitions. [2020-07-19 21:41:54,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-07-19 21:41:54,542 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 707 [2020-07-19 21:41:54,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:41:54,556 INFO L225 Difference]: With dead ends: 8173 [2020-07-19 21:41:54,556 INFO L226 Difference]: Without dead ends: 4367 [2020-07-19 21:41:54,564 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 781 GetRequests, 739 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 473 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=391, Invalid=1501, Unknown=0, NotChecked=0, Total=1892 [2020-07-19 21:41:54,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4367 states. [2020-07-19 21:41:54,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4367 to 4116. [2020-07-19 21:41:54,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4116 states. [2020-07-19 21:41:54,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4116 states to 4116 states and 4497 transitions. [2020-07-19 21:41:54,640 INFO L78 Accepts]: Start accepts. Automaton has 4116 states and 4497 transitions. Word has length 707 [2020-07-19 21:41:54,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:41:54,640 INFO L479 AbstractCegarLoop]: Abstraction has 4116 states and 4497 transitions. [2020-07-19 21:41:54,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-19 21:41:54,641 INFO L276 IsEmpty]: Start isEmpty. Operand 4116 states and 4497 transitions. [2020-07-19 21:41:54,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 869 [2020-07-19 21:41:54,653 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:41:54,653 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:41:54,867 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:54,868 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:41:54,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:41:54,868 INFO L82 PathProgramCache]: Analyzing trace with hash -337447346, now seen corresponding path program 1 times [2020-07-19 21:41:54,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:41:54,869 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586245391] [2020-07-19 21:41:54,869 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 [2020-07-19 21:41:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:56,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2377 backedges. 922 proven. 98 refuted. 0 times theorem prover too weak. 1357 trivial. 0 not checked. [2020-07-19 21:41:56,072 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586245391] [2020-07-19 21:41:56,072 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346904089] [2020-07-19 21:41:56,072 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:56,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 1237 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-19 21:41:56,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:41:56,421 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:41:57,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2377 backedges. 1349 proven. 2 refuted. 0 times theorem prover too weak. 1026 trivial. 0 not checked. [2020-07-19 21:41:57,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:41:57,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 11 [2020-07-19 21:41:57,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168287477] [2020-07-19 21:41:57,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 21:41:57,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:41:57,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 21:41:57,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:41:57,009 INFO L87 Difference]: Start difference. First operand 4116 states and 4497 transitions. Second operand 11 states. [2020-07-19 21:42:01,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:42:01,153 INFO L93 Difference]: Finished difference Result 9344 states and 10315 transitions. [2020-07-19 21:42:01,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-07-19 21:42:01,154 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 868 [2020-07-19 21:42:01,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:42:01,169 INFO L225 Difference]: With dead ends: 9344 [2020-07-19 21:42:01,169 INFO L226 Difference]: Without dead ends: 5234 [2020-07-19 21:42:01,177 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 931 GetRequests, 900 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=229, Invalid=701, Unknown=0, NotChecked=0, Total=930 [2020-07-19 21:42:01,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5234 states. [2020-07-19 21:42:01,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5234 to 5044. [2020-07-19 21:42:01,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5044 states. [2020-07-19 21:42:01,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5044 states to 5044 states and 5510 transitions. [2020-07-19 21:42:01,267 INFO L78 Accepts]: Start accepts. Automaton has 5044 states and 5510 transitions. Word has length 868 [2020-07-19 21:42:01,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:42:01,268 INFO L479 AbstractCegarLoop]: Abstraction has 5044 states and 5510 transitions. [2020-07-19 21:42:01,268 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 21:42:01,269 INFO L276 IsEmpty]: Start isEmpty. Operand 5044 states and 5510 transitions. [2020-07-19 21:42:01,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 890 [2020-07-19 21:42:01,283 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:42:01,284 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:42:01,485 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-19 21:42:01,485 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:42:01,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:42:01,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1791623875, now seen corresponding path program 1 times [2020-07-19 21:42:01,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:42:01,486 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442068080] [2020-07-19 21:42:01,487 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 [2020-07-19 21:42:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:02,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2373 backedges. 679 proven. 160 refuted. 0 times theorem prover too weak. 1534 trivial. 0 not checked. [2020-07-19 21:42:02,313 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442068080] [2020-07-19 21:42:02,313 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781525786] [2020-07-19 21:42:02,313 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:42:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:02,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 1263 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:42:02,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:42:02,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2373 backedges. 1533 proven. 2 refuted. 0 times theorem prover too weak. 838 trivial. 0 not checked. [2020-07-19 21:42:02,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:42:02,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-19 21:42:02,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136003505] [2020-07-19 21:42:02,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 21:42:02,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:42:02,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 21:42:02,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:42:02,897 INFO L87 Difference]: Start difference. First operand 5044 states and 5510 transitions. Second operand 11 states. [2020-07-19 21:42:06,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:42:06,261 INFO L93 Difference]: Finished difference Result 10650 states and 11589 transitions. [2020-07-19 21:42:06,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-19 21:42:06,262 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 889 [2020-07-19 21:42:06,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:42:06,276 INFO L225 Difference]: With dead ends: 10650 [2020-07-19 21:42:06,276 INFO L226 Difference]: Without dead ends: 5612 [2020-07-19 21:42:06,286 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 944 GetRequests, 917 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=180, Invalid=632, Unknown=0, NotChecked=0, Total=812 [2020-07-19 21:42:06,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5612 states. [2020-07-19 21:42:06,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5612 to 4870. [2020-07-19 21:42:06,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4870 states. [2020-07-19 21:42:06,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4870 states to 4870 states and 5256 transitions. [2020-07-19 21:42:06,414 INFO L78 Accepts]: Start accepts. Automaton has 4870 states and 5256 transitions. Word has length 889 [2020-07-19 21:42:06,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:42:06,415 INFO L479 AbstractCegarLoop]: Abstraction has 4870 states and 5256 transitions. [2020-07-19 21:42:06,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 21:42:06,415 INFO L276 IsEmpty]: Start isEmpty. Operand 4870 states and 5256 transitions. [2020-07-19 21:42:06,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 989 [2020-07-19 21:42:06,432 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:42:06,433 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:42:06,646 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-19 21:42:06,647 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:42:06,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:42:06,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1498565139, now seen corresponding path program 1 times [2020-07-19 21:42:06,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:42:06,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050576216] [2020-07-19 21:42:06,649 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 [2020-07-19 21:42:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:07,913 INFO L134 CoverageAnalysis]: Checked inductivity of 3002 backedges. 914 proven. 79 refuted. 0 times theorem prover too weak. 2009 trivial. 0 not checked. [2020-07-19 21:42:07,913 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050576216] [2020-07-19 21:42:07,913 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2137325041] [2020-07-19 21:42:07,913 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:42:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:08,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 1397 conjuncts, 29 conjunts are in the unsatisfiable core [2020-07-19 21:42:08,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:42:08,217 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 21:42:08,218 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:42:08,555 INFO L501 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-07-19 21:42:09,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3002 backedges. 1635 proven. 14 refuted. 0 times theorem prover too weak. 1353 trivial. 0 not checked. [2020-07-19 21:42:09,404 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:42:09,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2020-07-19 21:42:09,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447012982] [2020-07-19 21:42:09,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-19 21:42:09,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:42:09,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-19 21:42:09,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2020-07-19 21:42:09,407 INFO L87 Difference]: Start difference. First operand 4870 states and 5256 transitions. Second operand 17 states. [2020-07-19 21:42:15,563 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2020-07-19 21:42:25,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:42:25,024 INFO L93 Difference]: Finished difference Result 12694 states and 13769 transitions. [2020-07-19 21:42:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-07-19 21:42:25,025 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 988 [2020-07-19 21:42:25,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:42:25,041 INFO L225 Difference]: With dead ends: 12694 [2020-07-19 21:42:25,041 INFO L226 Difference]: Without dead ends: 7644 [2020-07-19 21:42:25,053 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1099 GetRequests, 1034 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1324 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=717, Invalid=3443, Unknown=0, NotChecked=0, Total=4160 [2020-07-19 21:42:25,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7644 states. [2020-07-19 21:42:25,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7644 to 6712. [2020-07-19 21:42:25,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6712 states. [2020-07-19 21:42:25,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6712 states to 6712 states and 7141 transitions. [2020-07-19 21:42:25,188 INFO L78 Accepts]: Start accepts. Automaton has 6712 states and 7141 transitions. Word has length 988 [2020-07-19 21:42:25,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:42:25,189 INFO L479 AbstractCegarLoop]: Abstraction has 6712 states and 7141 transitions. [2020-07-19 21:42:25,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-19 21:42:25,189 INFO L276 IsEmpty]: Start isEmpty. Operand 6712 states and 7141 transitions. [2020-07-19 21:42:25,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1672 [2020-07-19 21:42:25,228 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:42:25,229 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:42:25,443 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-07-19 21:42:25,443 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:42:25,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:42:25,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1424361781, now seen corresponding path program 1 times [2020-07-19 21:42:25,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:42:25,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724585195] [2020-07-19 21:42:25,444 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 [2020-07-19 21:42:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:27,209 INFO L134 CoverageAnalysis]: Checked inductivity of 8705 backedges. 657 proven. 52 refuted. 0 times theorem prover too weak. 7996 trivial. 0 not checked. [2020-07-19 21:42:27,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724585195] [2020-07-19 21:42:27,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527670462] [2020-07-19 21:42:27,212 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:42:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:27,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 2272 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:42:27,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:42:28,795 INFO L134 CoverageAnalysis]: Checked inductivity of 8705 backedges. 673 proven. 0 refuted. 0 times theorem prover too weak. 8032 trivial. 0 not checked. [2020-07-19 21:42:28,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:42:28,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2020-07-19 21:42:28,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061047377] [2020-07-19 21:42:28,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:42:28,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:42:28,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:42:28,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:42:28,798 INFO L87 Difference]: Start difference. First operand 6712 states and 7141 transitions. Second operand 3 states. [2020-07-19 21:42:29,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:42:29,664 INFO L93 Difference]: Finished difference Result 7994 states and 8480 transitions. [2020-07-19 21:42:29,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:42:29,668 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1671 [2020-07-19 21:42:29,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:42:29,696 INFO L225 Difference]: With dead ends: 7994 [2020-07-19 21:42:29,696 INFO L226 Difference]: Without dead ends: 7992 [2020-07-19 21:42:29,699 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1705 GetRequests, 1700 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:42:29,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7992 states. [2020-07-19 21:42:29,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7992 to 6530. [2020-07-19 21:42:29,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6530 states. [2020-07-19 21:42:29,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6530 states to 6530 states and 6950 transitions. [2020-07-19 21:42:29,832 INFO L78 Accepts]: Start accepts. Automaton has 6530 states and 6950 transitions. Word has length 1671 [2020-07-19 21:42:29,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:42:29,834 INFO L479 AbstractCegarLoop]: Abstraction has 6530 states and 6950 transitions. [2020-07-19 21:42:29,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:42:29,834 INFO L276 IsEmpty]: Start isEmpty. Operand 6530 states and 6950 transitions. [2020-07-19 21:42:29,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1755 [2020-07-19 21:42:29,871 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:42:29,873 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:42:30,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:42:30,088 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:42:30,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:42:30,088 INFO L82 PathProgramCache]: Analyzing trace with hash -447363904, now seen corresponding path program 1 times [2020-07-19 21:42:30,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:42:30,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158368503] [2020-07-19 21:42:30,089 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 [2020-07-19 21:42:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:32,108 INFO L134 CoverageAnalysis]: Checked inductivity of 9186 backedges. 657 proven. 85 refuted. 0 times theorem prover too weak. 8444 trivial. 0 not checked. [2020-07-19 21:42:32,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158368503] [2020-07-19 21:42:32,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020034244] [2020-07-19 21:42:32,109 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@63138690 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:42:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:32,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 2354 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:42:32,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:42:33,665 INFO L134 CoverageAnalysis]: Checked inductivity of 9186 backedges. 673 proven. 0 refuted. 0 times theorem prover too weak. 8513 trivial. 0 not checked. [2020-07-19 21:42:33,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:42:33,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2020-07-19 21:42:33,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049186035] [2020-07-19 21:42:33,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:42:33,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:42:33,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:42:33,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:42:33,669 INFO L87 Difference]: Start difference. First operand 6530 states and 6950 transitions. Second operand 3 states. [2020-07-19 21:42:34,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:42:34,504 INFO L93 Difference]: Finished difference Result 13416 states and 14269 transitions. [2020-07-19 21:42:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:42:34,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1754 [2020-07-19 21:42:34,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:42:34,514 INFO L225 Difference]: With dead ends: 13416 [2020-07-19 21:42:34,514 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:42:34,532 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1789 GetRequests, 1783 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:42:34,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:42:34,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:42:34,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:42:34,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:42:34,535 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1754 [2020-07-19 21:42:34,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:42:34,536 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:42:34,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:42:34,536 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:42:34,536 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:42:34,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-07-19 21:42:34,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:42:34,968 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 91 [2020-07-19 21:42:35,374 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 89 [2020-07-19 21:42:36,194 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 313 [2020-07-19 21:42:36,715 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 313 [2020-07-19 21:42:40,753 WARN L193 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 421 DAG size of output: 92 [2020-07-19 21:42:43,116 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 311 DAG size of output: 77 [2020-07-19 21:42:45,408 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 311 DAG size of output: 77 [2020-07-19 21:42:45,412 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:42:45,413 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a24~0 |old(~a24~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-07-19 21:42:45,413 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:42:45,413 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-07-19 21:42:45,413 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-07-19 21:42:45,413 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,413 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,413 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,413 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-07-19 21:42:45,413 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-19 21:42:45,413 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-19 21:42:45,413 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-19 21:42:45,414 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-07-19 21:42:45,414 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-07-19 21:42:45,414 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-07-19 21:42:45,414 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-07-19 21:42:45,414 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,414 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,414 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,414 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-07-19 21:42:45,415 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-07-19 21:42:45,415 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-19 21:42:45,415 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-19 21:42:45,415 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-19 21:42:45,415 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-07-19 21:42:45,415 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-07-19 21:42:45,415 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-07-19 21:42:45,415 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,416 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,416 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,416 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-07-19 21:42:45,416 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-19 21:42:45,416 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-19 21:42:45,416 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-19 21:42:45,417 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-07-19 21:42:45,417 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-07-19 21:42:45,417 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-07-19 21:42:45,417 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-07-19 21:42:45,417 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-07-19 21:42:45,417 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,417 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,417 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,417 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-07-19 21:42:45,417 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-19 21:42:45,418 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-19 21:42:45,418 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-19 21:42:45,418 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-07-19 21:42:45,418 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-07-19 21:42:45,418 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-07-19 21:42:45,418 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,418 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,418 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,418 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-07-19 21:42:45,419 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-19 21:42:45,419 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-19 21:42:45,419 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-19 21:42:45,419 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-07-19 21:42:45,419 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-07-19 21:42:45,419 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-07-19 21:42:45,419 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-07-19 21:42:45,419 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-07-19 21:42:45,419 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,419 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,420 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,420 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,420 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-07-19 21:42:45,420 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-19 21:42:45,420 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-19 21:42:45,420 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-19 21:42:45,420 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-07-19 21:42:45,420 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-07-19 21:42:45,420 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-07-19 21:42:45,420 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-07-19 21:42:45,421 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,421 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,421 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,421 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-19 21:42:45,421 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-19 21:42:45,421 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-19 21:42:45,421 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-07-19 21:42:45,421 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-07-19 21:42:45,421 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-07-19 21:42:45,421 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-07-19 21:42:45,421 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-07-19 21:42:45,421 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,422 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,422 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,422 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-07-19 21:42:45,422 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-07-19 21:42:45,422 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-19 21:42:45,422 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-19 21:42:45,422 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-19 21:42:45,422 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-07-19 21:42:45,422 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse13 (= ~a21~0 |old(~a21~0)|)) (.cse14 (= 1 |old(~a24~0)|)) (.cse9 (= ~a12~0 |old(~a12~0)|)) (.cse10 (= 1 ~a24~0)) (.cse11 (= ~a15~0 |old(~a15~0)|))) (let ((.cse1 (and .cse9 .cse10 .cse11 (= 8 ~a21~0))) (.cse2 (not (= 8 |old(~a21~0)|))) (.cse7 (not (<= 7 |old(~a15~0)|))) (.cse0 (not .cse14)) (.cse4 (not (= 10 |old(~a21~0)|))) (.cse6 (and .cse9 .cse10 .cse13 .cse11)) (.cse3 (not (<= |old(~a12~0)| 80))) (.cse12 (= 7 |old(~a21~0)|)) (.cse5 (not (<= |old(~a15~0)| 5))) (.cse8 (not (<= |old(~a21~0)| 7)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 (forall ((v_~a12~0_449 Int)) (or (not (<= v_~a12~0_449 80)) (not (<= |old(~a12~0)| (div (+ v_~a12~0_449 366333) 5))) (not (< 11 v_~a12~0_449)) (not (= 0 (mod (+ v_~a12~0_449 3) 5))))) .cse5 .cse6) (or .cse0 .cse4 .cse7 .cse6) (or .cse0 (= 5 |old(~a15~0)|) .cse8 .cse6) (or .cse0 (and .cse9 .cse10 (= 9 ~a21~0) .cse11) (not (= 9 |old(~a21~0)|))) (or .cse0 .cse1 .cse2 .cse7) (or .cse0 (not (= 6 |old(~a21~0)|)) .cse6) (or (not .cse12) .cse0 (not (<= |old(~a12~0)| 76)) (not (< 22 |old(~a12~0)|)) .cse6) (or .cse0 .cse4 .cse6 .cse3) (or (and .cse9 (= ~a24~0 |old(~a24~0)|) .cse13 .cse11) (not (<= (+ |old(~a12~0)| 49) 0)) (and .cse12 .cse14) .cse5 .cse8)))) [2020-07-19 21:42:45,422 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-07-19 21:42:45,422 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-07-19 21:42:45,423 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,423 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,423 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,423 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-19 21:42:45,423 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-19 21:42:45,423 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-19 21:42:45,423 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-07-19 21:42:45,423 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-07-19 21:42:45,423 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-07-19 21:42:45,423 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-07-19 21:42:45,423 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-07-19 21:42:45,423 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,423 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,423 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,424 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-07-19 21:42:45,424 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-07-19 21:42:45,424 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-19 21:42:45,424 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-19 21:42:45,424 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-19 21:42:45,424 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-07-19 21:42:45,424 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-07-19 21:42:45,424 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-07-19 21:42:45,424 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,424 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,424 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,424 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-07-19 21:42:45,424 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-19 21:42:45,424 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-19 21:42:45,425 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-19 21:42:45,425 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-07-19 21:42:45,425 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-07-19 21:42:45,425 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-07-19 21:42:45,425 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-07-19 21:42:45,425 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,425 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,425 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,425 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-07-19 21:42:45,425 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-19 21:42:45,425 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-19 21:42:45,425 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-19 21:42:45,425 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-07-19 21:42:45,425 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-07-19 21:42:45,426 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-07-19 21:42:45,426 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-07-19 21:42:45,426 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,426 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,426 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-07-19 21:42:45,426 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-19 21:42:45,426 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-19 21:42:45,426 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-07-19 21:42:45,426 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-07-19 21:42:45,426 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-07-19 21:42:45,426 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-07-19 21:42:45,426 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-07-19 21:42:45,426 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154) no Hoare annotation was computed. [2020-07-19 21:42:45,427 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,427 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,427 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-07-19 21:42:45,427 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-19 21:42:45,427 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-19 21:42:45,427 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-07-19 21:42:45,427 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-07-19 21:42:45,427 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-07-19 21:42:45,427 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,427 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,427 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-07-19 21:42:45,427 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-07-19 21:42:45,427 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-19 21:42:45,427 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-19 21:42:45,428 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-07-19 21:42:45,428 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-07-19 21:42:45,428 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-07-19 21:42:45,428 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-07-19 21:42:45,428 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,428 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,428 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-07-19 21:42:45,428 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-07-19 21:42:45,428 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-19 21:42:45,428 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-19 21:42:45,428 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-07-19 21:42:45,428 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-07-19 21:42:45,428 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-07-19 21:42:45,428 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,429 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,429 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,429 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-07-19 21:42:45,429 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-07-19 21:42:45,429 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-19 21:42:45,429 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-19 21:42:45,429 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-07-19 21:42:45,429 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-07-19 21:42:45,429 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,429 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,429 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-19 21:42:45,429 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,429 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-07-19 21:42:45,429 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-07-19 21:42:45,429 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-07-19 21:42:45,430 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-19 21:42:45,430 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-19 21:42:45,430 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-19 21:42:45,430 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-07-19 21:42:45,430 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-07-19 21:42:45,430 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-07-19 21:42:45,430 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-07-19 21:42:45,430 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,430 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,430 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,430 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-07-19 21:42:45,431 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-19 21:42:45,431 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-19 21:42:45,431 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-19 21:42:45,431 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-07-19 21:42:45,431 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-07-19 21:42:45,431 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-07-19 21:42:45,431 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-07-19 21:42:45,431 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,431 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,431 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,432 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-07-19 21:42:45,432 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-07-19 21:42:45,432 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-19 21:42:45,432 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-19 21:42:45,432 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-19 21:42:45,432 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-07-19 21:42:45,432 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-07-19 21:42:45,432 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-07-19 21:42:45,432 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,432 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,433 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,433 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-07-19 21:42:45,433 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-19 21:42:45,433 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-19 21:42:45,433 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-19 21:42:45,433 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-07-19 21:42:45,433 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-07-19 21:42:45,433 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-07-19 21:42:45,433 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-07-19 21:42:45,433 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-07-19 21:42:45,434 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,434 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,434 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:42:45,434 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-07-19 21:42:45,434 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-19 21:42:45,434 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-19 21:42:45,434 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-19 21:42:45,434 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-07-19 21:42:45,434 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:42:45,435 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= (+ ~a12~0 49) 0) (= 7 ~a21~0) (<= ~a15~0 8) (= 1 ~a24~0) (<= 8 ~a15~0)) [2020-07-19 21:42:45,435 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:42:45,435 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:42:45,435 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (and (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0) (= 1 ~a24~0) (= ~a15~0 |old(~a15~0)|)) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= |old(~a15~0)| 8)) (not (<= 8 |old(~a15~0)|))) [2020-07-19 21:42:45,435 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-07-19 21:42:45,435 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse1 (<= ~a12~0 80)) (.cse3 (<= ~a21~0 7)) (.cse7 (= 7 ~a21~0)) (.cse5 (<= 7 ~a15~0)) (.cse2 (= 8 ~a21~0)) (.cse6 (<= ~a15~0 5)) (.cse4 (= 10 ~a21~0)) (.cse0 (= 1 ~a24~0))) (or (and .cse0 .cse1 .cse2) (not (= 1 |old(~a24~0)|)) (and (not (= 5 ~a15~0)) .cse0 .cse3) (and .cse4 .cse0 .cse1) (and .cse5 .cse4 .cse0) (and .cse0 (= 9 ~a21~0)) (not (<= |old(~a15~0)| 8)) (and (<= (+ ~a12~0 49) 0) .cse6 (or (not .cse7) (not .cse0)) .cse3) (and (= 6 ~a21~0) .cse0) (not (= 7 |old(~a21~0)|)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (<= ~a12~0 76) (< 22 ~a12~0) .cse7 .cse0) (and .cse5 .cse0 .cse2) (not (<= 8 |old(~a15~0)|)) (and .cse6 .cse4 .cse0 (exists ((v_~a12~0_449 Int)) (and (< 11 v_~a12~0_449) (<= v_~a12~0_449 80) (= 0 (mod (+ v_~a12~0_449 3) 5)) (<= ~a12~0 (div (+ v_~a12~0_449 366333) 5))))))) [2020-07-19 21:42:45,436 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-07-19 21:42:45,436 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-07-19 21:42:45,436 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse1 (<= ~a12~0 80)) (.cse3 (<= ~a21~0 7)) (.cse7 (= 7 ~a21~0)) (.cse5 (<= 7 ~a15~0)) (.cse2 (= 8 ~a21~0)) (.cse6 (<= ~a15~0 5)) (.cse4 (= 10 ~a21~0)) (.cse0 (= 1 ~a24~0))) (or (and .cse0 .cse1 .cse2) (not (= 1 |old(~a24~0)|)) (and (not (= 5 ~a15~0)) .cse0 .cse3) (and .cse4 .cse0 .cse1) (and .cse5 .cse4 .cse0) (and .cse0 (= 9 ~a21~0)) (not (<= |old(~a15~0)| 8)) (and (<= (+ ~a12~0 49) 0) .cse6 (or (not .cse7) (not .cse0)) .cse3) (and (= 6 ~a21~0) .cse0) (not (= 7 |old(~a21~0)|)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (<= ~a12~0 76) (< 22 ~a12~0) .cse7 .cse0) (and .cse5 .cse0 .cse2) (not (<= 8 |old(~a15~0)|)) (and .cse6 .cse4 .cse0 (exists ((v_~a12~0_449 Int)) (and (< 11 v_~a12~0_449) (<= v_~a12~0_449 80) (= 0 (mod (+ v_~a12~0_449 3) 5)) (<= ~a12~0 (div (+ v_~a12~0_449 366333) 5))))))) [2020-07-19 21:42:45,436 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-07-19 21:42:45,448 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_449,QUANTIFIED] [2020-07-19 21:42:45,449 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_449,QUANTIFIED] [2020-07-19 21:42:45,449 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_449,QUANTIFIED] [2020-07-19 21:42:45,449 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_449,QUANTIFIED] [2020-07-19 21:42:45,458 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_449,QUANTIFIED] [2020-07-19 21:42:45,458 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_449,QUANTIFIED] [2020-07-19 21:42:45,459 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_449,QUANTIFIED] [2020-07-19 21:42:45,459 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_449,QUANTIFIED] [2020-07-19 21:42:45,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:42:45 BoogieIcfgContainer [2020-07-19 21:42:45,468 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:42:45,469 INFO L168 Benchmark]: Toolchain (without parser) took 108365.13 ms. Allocated memory was 146.3 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 101.1 MB in the beginning and 256.4 MB in the end (delta: -155.3 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2020-07-19 21:42:45,474 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 21:42:45,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1076.66 ms. Allocated memory was 146.3 MB in the beginning and 211.3 MB in the end (delta: 65.0 MB). Free memory was 100.7 MB in the beginning and 174.5 MB in the end (delta: -73.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. [2020-07-19 21:42:45,475 INFO L168 Benchmark]: Boogie Preprocessor took 151.44 ms. Allocated memory is still 211.3 MB. Free memory was 174.5 MB in the beginning and 168.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2020-07-19 21:42:45,478 INFO L168 Benchmark]: RCFGBuilder took 1678.09 ms. Allocated memory was 211.3 MB in the beginning and 234.9 MB in the end (delta: 23.6 MB). Free memory was 168.2 MB in the beginning and 152.7 MB in the end (delta: 15.6 MB). Peak memory consumption was 77.5 MB. Max. memory is 7.1 GB. [2020-07-19 21:42:45,479 INFO L168 Benchmark]: TraceAbstraction took 105449.04 ms. Allocated memory was 234.9 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 151.3 MB in the beginning and 256.4 MB in the end (delta: -105.1 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2020-07-19 21:42:45,482 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1076.66 ms. Allocated memory was 146.3 MB in the beginning and 211.3 MB in the end (delta: 65.0 MB). Free memory was 100.7 MB in the beginning and 174.5 MB in the end (delta: -73.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 151.44 ms. Allocated memory is still 211.3 MB. Free memory was 174.5 MB in the beginning and 168.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1678.09 ms. Allocated memory was 211.3 MB in the beginning and 234.9 MB in the end (delta: 23.6 MB). Free memory was 168.2 MB in the beginning and 152.7 MB in the end (delta: 15.6 MB). Peak memory consumption was 77.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 105449.04 ms. Allocated memory was 234.9 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 151.3 MB in the beginning and 256.4 MB in the end (delta: -105.1 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_449,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_449,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_449,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_449,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_449,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_449,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_449,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_449,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 154]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant [2020-07-19 21:42:45,494 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_449,QUANTIFIED] [2020-07-19 21:42:45,494 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_449,QUANTIFIED] [2020-07-19 21:42:45,494 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_449,QUANTIFIED] [2020-07-19 21:42:45,494 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_449,QUANTIFIED] [2020-07-19 21:42:45,496 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_449,QUANTIFIED] [2020-07-19 21:42:45,496 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_449,QUANTIFIED] [2020-07-19 21:42:45,496 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_449,QUANTIFIED] [2020-07-19 21:42:45,497 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_449,QUANTIFIED] Derived loop invariant: (((((((((((((((1 == a24 && a12 <= 80) && 8 == a21) || !(1 == \old(a24))) || ((!(5 == a15) && 1 == a24) && a21 <= 7)) || ((10 == a21 && 1 == a24) && a12 <= 80)) || ((7 <= a15 && 10 == a21) && 1 == a24)) || (1 == a24 && 9 == a21)) || !(\old(a15) <= 8)) || (((a12 + 49 <= 0 && a15 <= 5) && (!(7 == a21) || !(1 == a24))) && a21 <= 7)) || (6 == a21 && 1 == a24)) || !(7 == \old(a21))) || !(\old(a12) + 49 <= 0)) || (((a12 <= 76 && 22 < a12) && 7 == a21) && 1 == a24)) || ((7 <= a15 && 1 == a24) && 8 == a21)) || !(8 <= \old(a15))) || (((a15 <= 5 && 10 == a21) && 1 == a24) && (\exists v_~a12~0_449 : int :: ((11 < v_~a12~0_449 && v_~a12~0_449 <= 80) && 0 == (v_~a12~0_449 + 3) % 5) && a12 <= (v_~a12~0_449 + 366333) / 5)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 94.6s, OverallIterations: 17, TraceHistogramMax: 14, AutomataDifference: 65.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 819 SDtfs, 25725 SDslu, 1129 SDs, 0 SdLazy, 31898 SolverSat, 4549 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 40.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10626 GetRequests, 10219 SyntacticMatches, 6 SemanticMatches, 401 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4095 ImplicationChecksByTransitivity, 13.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6712occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 17 MinimizatonAttempts, 7549 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 280 PreInvPairs, 366 NumberOfFragments, 685 HoareAnnotationTreeSize, 280 FomulaSimplifications, 26567698 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1142808 FormulaSimplificationTreeSizeReductionInter, 8.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 13.9s InterpolantComputationTime, 19989 NumberOfCodeBlocks, 19989 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 19957 ConstructedInterpolants, 10 QuantifiedInterpolants, 35276159 SizeOfPredicates, 20 NumberOfNonLiveVariables, 14498 ConjunctsInSsa, 136 ConjunctsInUnsatCore, 32 InterpolantComputations, 8 PerfectInterpolantSequences, 62624/63693 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...