/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:49:32,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:49:32,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:49:32,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-22 16:49:32,819 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 [2020-08-22 16:49:32,861 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:49:32,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:49:32,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:49:32,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:49:32,866 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:49:32,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:49:32,866 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:49:32,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:49:32,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:49:32,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:49:32,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:49:32,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:49:32,867 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:49:32,867 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:49:32,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:49:32,869 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:49:32,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:49:32,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:49:32,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:49:32,869 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:49:32,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:49:32,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:49:32,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:49:32,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:49:32,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:49:32,872 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:49:32,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:49:32,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:49:32,873 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:49:32,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:49:33,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:49:33,220 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:49:33,224 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:49:33,225 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:49:33,226 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:49:33,227 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label26.c [2020-08-22 16:49:33,304 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07830164c/53789ae8510b4ed0ab9400360965b5ff/FLAG38104bb61 [2020-08-22 16:49:33,916 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:49:33,917 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label26.c [2020-08-22 16:49:33,928 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07830164c/53789ae8510b4ed0ab9400360965b5ff/FLAG38104bb61 [2020-08-22 16:49:34,158 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07830164c/53789ae8510b4ed0ab9400360965b5ff [2020-08-22 16:49:34,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:49:34,170 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:49:34,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:49:34,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:49:34,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:49:34,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:49:34" (1/1) ... [2020-08-22 16:49:34,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59b5b041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:49:34, skipping insertion in model container [2020-08-22 16:49:34,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:49:34" (1/1) ... [2020-08-22 16:49:34,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:49:34,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:49:34,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:49:34,818 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:49:34,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:49:34,986 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:49:34,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:49:34 WrapperNode [2020-08-22 16:49:34,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:49:34,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:49:34,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:49:34,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:49:35,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:49:34" (1/1) ... [2020-08-22 16:49:35,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:49:34" (1/1) ... [2020-08-22 16:49:35,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:49:34" (1/1) ... [2020-08-22 16:49:35,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:49:34" (1/1) ... [2020-08-22 16:49:35,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:49:34" (1/1) ... [2020-08-22 16:49:35,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:49:34" (1/1) ... [2020-08-22 16:49:35,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:49:34" (1/1) ... [2020-08-22 16:49:35,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:49:35,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:49:35,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:49:35,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:49:35,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:49:34" (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 [2020-08-22 16:49:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:49:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:49:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-22 16:49:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:49:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-22 16:49:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:49:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 16:49:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-22 16:49:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:49:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:49:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:49:36,511 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:49:36,512 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 16:49:36,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:49:36 BoogieIcfgContainer [2020-08-22 16:49:36,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:49:36,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:49:36,520 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:49:36,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:49:36,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:49:34" (1/3) ... [2020-08-22 16:49:36,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4463f11a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:49:36, skipping insertion in model container [2020-08-22 16:49:36,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:49:34" (2/3) ... [2020-08-22 16:49:36,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4463f11a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:49:36, skipping insertion in model container [2020-08-22 16:49:36,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:49:36" (3/3) ... [2020-08-22 16:49:36,527 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label26.c [2020-08-22 16:49:36,538 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:49:36,547 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:49:36,562 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:49:36,590 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:49:36,590 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:49:36,590 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:49:36,590 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:49:36,590 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:49:36,591 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:49:36,592 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:49:36,592 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:49:36,620 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-08-22 16:49:36,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-08-22 16:49:36,633 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:49:36,634 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:49:36,635 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:49:36,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:49:36,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1414431897, now seen corresponding path program 1 times [2020-08-22 16:49:36,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:49:36,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053754436] [2020-08-22 16:49:36,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:49:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:37,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:49:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:37,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:49:37,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053754436] [2020-08-22 16:49:37,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:49:37,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 16:49:37,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363169903] [2020-08-22 16:49:37,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 16:49:37,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:49:37,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 16:49:37,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 16:49:37,392 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-08-22 16:49:39,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:49:39,014 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-08-22 16:49:39,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 16:49:39,016 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2020-08-22 16:49:39,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:49:39,035 INFO L225 Difference]: With dead ends: 557 [2020-08-22 16:49:39,035 INFO L226 Difference]: Without dead ends: 286 [2020-08-22 16:49:39,043 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-22 16:49:39,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-08-22 16:49:39,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-08-22 16:49:39,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-08-22 16:49:39,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2020-08-22 16:49:39,123 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 109 [2020-08-22 16:49:39,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:49:39,124 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2020-08-22 16:49:39,124 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 16:49:39,124 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2020-08-22 16:49:39,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-08-22 16:49:39,131 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:49:39,132 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:49:39,132 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:49:39,132 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:49:39,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:49:39,133 INFO L82 PathProgramCache]: Analyzing trace with hash -609512656, now seen corresponding path program 1 times [2020-08-22 16:49:39,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:49:39,134 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61799579] [2020-08-22 16:49:39,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:49:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:39,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:49:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:39,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:49:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:39,451 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:49:39,452 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61799579] [2020-08-22 16:49:39,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:49:39,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 16:49:39,453 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009141243] [2020-08-22 16:49:39,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:49:39,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:49:39,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:49:39,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:49:39,457 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 8 states. [2020-08-22 16:49:40,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:49:40,947 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2020-08-22 16:49:40,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 16:49:40,949 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 119 [2020-08-22 16:49:40,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:49:40,954 INFO L225 Difference]: With dead ends: 713 [2020-08-22 16:49:40,954 INFO L226 Difference]: Without dead ends: 439 [2020-08-22 16:49:40,956 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-08-22 16:49:40,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-08-22 16:49:40,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2020-08-22 16:49:40,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-08-22 16:49:40,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2020-08-22 16:49:40,996 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 119 [2020-08-22 16:49:40,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:49:40,997 INFO L479 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2020-08-22 16:49:40,997 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:49:40,997 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2020-08-22 16:49:41,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-08-22 16:49:41,001 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:49:41,002 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:49:41,002 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 16:49:41,002 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:49:41,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:49:41,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1252784430, now seen corresponding path program 1 times [2020-08-22 16:49:41,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:49:41,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991442068] [2020-08-22 16:49:41,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:49:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:41,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:49:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:41,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:49:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:41,339 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:49:41,340 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991442068] [2020-08-22 16:49:41,340 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025438538] [2020-08-22 16:49:41,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-08-22 16:49:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:41,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:49:41,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:49:41,567 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:49:41,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:49:41,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-08-22 16:49:41,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466773949] [2020-08-22 16:49:41,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:49:41,580 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:49:41,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:49:41,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:49:41,582 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states. [2020-08-22 16:49:42,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:49:42,126 INFO L93 Difference]: Finished difference Result 1247 states and 1789 transitions. [2020-08-22 16:49:42,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:49:42,127 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-08-22 16:49:42,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:49:42,134 INFO L225 Difference]: With dead ends: 1247 [2020-08-22 16:49:42,134 INFO L226 Difference]: Without dead ends: 832 [2020-08-22 16:49:42,136 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:49:42,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2020-08-22 16:49:42,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2020-08-22 16:49:42,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-08-22 16:49:42,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1102 transitions. [2020-08-22 16:49:42,177 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1102 transitions. Word has length 120 [2020-08-22 16:49:42,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:49:42,177 INFO L479 AbstractCegarLoop]: Abstraction has 832 states and 1102 transitions. [2020-08-22 16:49:42,178 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:49:42,178 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1102 transitions. [2020-08-22 16:49:42,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-08-22 16:49:42,183 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:49:42,184 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:49:42,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-08-22 16:49:42,400 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:49:42,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:49:42,401 INFO L82 PathProgramCache]: Analyzing trace with hash 107820154, now seen corresponding path program 1 times [2020-08-22 16:49:42,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:49:42,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537239548] [2020-08-22 16:49:42,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:49:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:42,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:49:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:42,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:49:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:42,615 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:49:42,616 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537239548] [2020-08-22 16:49:42,616 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554978090] [2020-08-22 16:49:42,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-08-22 16:49:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:42,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:49:42,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:49:42,813 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:49:42,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:49:42,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-08-22 16:49:42,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212982811] [2020-08-22 16:49:42,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:49:42,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:49:42,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:49:42,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:49:42,816 INFO L87 Difference]: Start difference. First operand 832 states and 1102 transitions. Second operand 3 states. [2020-08-22 16:49:43,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:49:43,424 INFO L93 Difference]: Finished difference Result 1930 states and 2618 transitions. [2020-08-22 16:49:43,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:49:43,424 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-08-22 16:49:43,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:49:43,431 INFO L225 Difference]: With dead ends: 1930 [2020-08-22 16:49:43,432 INFO L226 Difference]: Without dead ends: 1104 [2020-08-22 16:49:43,434 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:49:43,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2020-08-22 16:49:43,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 830. [2020-08-22 16:49:43,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 830 states. [2020-08-22 16:49:43,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1097 transitions. [2020-08-22 16:49:43,472 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1097 transitions. Word has length 126 [2020-08-22 16:49:43,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:49:43,472 INFO L479 AbstractCegarLoop]: Abstraction has 830 states and 1097 transitions. [2020-08-22 16:49:43,473 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:49:43,473 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1097 transitions. [2020-08-22 16:49:43,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-08-22 16:49:43,476 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:49:43,476 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:49:43,691 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:49:43,692 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:49:43,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:49:43,692 INFO L82 PathProgramCache]: Analyzing trace with hash -813317238, now seen corresponding path program 1 times [2020-08-22 16:49:43,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:49:43,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119662083] [2020-08-22 16:49:43,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:49:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:43,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:49:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:43,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:49:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:43,867 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:49:43,867 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119662083] [2020-08-22 16:49:43,867 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:49:43,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 16:49:43,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371365637] [2020-08-22 16:49:43,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:49:43,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:49:43,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:49:43,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:49:43,869 INFO L87 Difference]: Start difference. First operand 830 states and 1097 transitions. Second operand 8 states. [2020-08-22 16:49:45,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:49:45,496 INFO L93 Difference]: Finished difference Result 1968 states and 2669 transitions. [2020-08-22 16:49:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 16:49:45,497 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 134 [2020-08-22 16:49:45,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:49:45,510 INFO L225 Difference]: With dead ends: 1968 [2020-08-22 16:49:45,510 INFO L226 Difference]: Without dead ends: 1144 [2020-08-22 16:49:45,514 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2020-08-22 16:49:45,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2020-08-22 16:49:45,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 850. [2020-08-22 16:49:45,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 850 states. [2020-08-22 16:49:45,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1044 transitions. [2020-08-22 16:49:45,556 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1044 transitions. Word has length 134 [2020-08-22 16:49:45,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:49:45,557 INFO L479 AbstractCegarLoop]: Abstraction has 850 states and 1044 transitions. [2020-08-22 16:49:45,557 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:49:45,557 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1044 transitions. [2020-08-22 16:49:45,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-08-22 16:49:45,560 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:49:45,560 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:49:45,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 16:49:45,561 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:49:45,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:49:45,565 INFO L82 PathProgramCache]: Analyzing trace with hash -601495216, now seen corresponding path program 1 times [2020-08-22 16:49:45,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:49:45,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194885498] [2020-08-22 16:49:45,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:49:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:45,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:49:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:45,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:49:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:45,732 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:49:45,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194885498] [2020-08-22 16:49:45,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108898096] [2020-08-22 16:49:45,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-08-22 16:49:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:45,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 8 conjunts are in the unsatisfiable core [2020-08-22 16:49:45,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:49:45,975 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 16:49:45,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:49:45,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2020-08-22 16:49:45,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259126423] [2020-08-22 16:49:45,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 16:49:45,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:49:45,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 16:49:45,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:49:45,979 INFO L87 Difference]: Start difference. First operand 850 states and 1044 transitions. Second operand 7 states. [2020-08-22 16:49:48,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:49:48,085 INFO L93 Difference]: Finished difference Result 3813 states and 4959 transitions. [2020-08-22 16:49:48,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 16:49:48,086 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 135 [2020-08-22 16:49:48,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:49:48,109 INFO L225 Difference]: With dead ends: 3813 [2020-08-22 16:49:48,110 INFO L226 Difference]: Without dead ends: 2552 [2020-08-22 16:49:48,118 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2020-08-22 16:49:48,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2552 states. [2020-08-22 16:49:48,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2552 to 2240. [2020-08-22 16:49:48,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2240 states. [2020-08-22 16:49:48,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 2240 states and 2778 transitions. [2020-08-22 16:49:48,256 INFO L78 Accepts]: Start accepts. Automaton has 2240 states and 2778 transitions. Word has length 135 [2020-08-22 16:49:48,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:49:48,256 INFO L479 AbstractCegarLoop]: Abstraction has 2240 states and 2778 transitions. [2020-08-22 16:49:48,256 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 16:49:48,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2240 states and 2778 transitions. [2020-08-22 16:49:48,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-08-22 16:49:48,325 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:49:48,326 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:49:48,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:49:48,532 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:49:48,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:49:48,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1420721245, now seen corresponding path program 1 times [2020-08-22 16:49:48,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:49:48,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080242785] [2020-08-22 16:49:48,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:49:48,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:48,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:49:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:48,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:49:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:48,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 16:49:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:48,691 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 16:49:48,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080242785] [2020-08-22 16:49:48,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027033171] [2020-08-22 16:49:48,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-08-22 16:49:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:48,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:49:48,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:49:48,970 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-08-22 16:49:48,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:49:48,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-08-22 16:49:48,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314419530] [2020-08-22 16:49:48,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:49:48,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:49:48,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:49:48,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:49:48,973 INFO L87 Difference]: Start difference. First operand 2240 states and 2778 transitions. Second operand 3 states. [2020-08-22 16:49:49,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:49:49,850 INFO L93 Difference]: Finished difference Result 6257 states and 7907 transitions. [2020-08-22 16:49:49,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:49:49,853 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2020-08-22 16:49:49,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:49:49,884 INFO L225 Difference]: With dead ends: 6257 [2020-08-22 16:49:49,884 INFO L226 Difference]: Without dead ends: 4023 [2020-08-22 16:49:49,894 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:49:49,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4023 states. [2020-08-22 16:49:50,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4023 to 3880. [2020-08-22 16:49:50,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3880 states. [2020-08-22 16:49:50,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3880 states to 3880 states and 4791 transitions. [2020-08-22 16:49:50,043 INFO L78 Accepts]: Start accepts. Automaton has 3880 states and 4791 transitions. Word has length 145 [2020-08-22 16:49:50,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:49:50,044 INFO L479 AbstractCegarLoop]: Abstraction has 3880 states and 4791 transitions. [2020-08-22 16:49:50,044 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:49:50,044 INFO L276 IsEmpty]: Start isEmpty. Operand 3880 states and 4791 transitions. [2020-08-22 16:49:50,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-08-22 16:49:50,058 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:49:50,059 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-08-22 16:49:50,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:49:50,272 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:49:50,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:49:50,273 INFO L82 PathProgramCache]: Analyzing trace with hash 911831107, now seen corresponding path program 1 times [2020-08-22 16:49:50,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:49:50,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188453234] [2020-08-22 16:49:50,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:49:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:50,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:49:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:50,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:49:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:50,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 16:49:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:50,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-22 16:49:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:50,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-22 16:49:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:50,534 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 117 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-08-22 16:49:50,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188453234] [2020-08-22 16:49:50,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724853907] [2020-08-22 16:49:50,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-08-22 16:49:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:50,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:49:50,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:49:50,751 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-08-22 16:49:50,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:49:50,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-08-22 16:49:50,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145020694] [2020-08-22 16:49:50,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 16:49:50,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:49:50,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 16:49:50,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:49:50,755 INFO L87 Difference]: Start difference. First operand 3880 states and 4791 transitions. Second operand 10 states. [2020-08-22 16:49:54,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:49:54,018 INFO L93 Difference]: Finished difference Result 11121 states and 14273 transitions. [2020-08-22 16:49:54,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-22 16:49:54,019 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 222 [2020-08-22 16:49:54,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:49:54,066 INFO L225 Difference]: With dead ends: 11121 [2020-08-22 16:49:54,066 INFO L226 Difference]: Without dead ends: 7112 [2020-08-22 16:49:54,081 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2020-08-22 16:49:54,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7112 states. [2020-08-22 16:49:54,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7112 to 6772. [2020-08-22 16:49:54,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6772 states. [2020-08-22 16:49:54,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6772 states to 6772 states and 8505 transitions. [2020-08-22 16:49:54,330 INFO L78 Accepts]: Start accepts. Automaton has 6772 states and 8505 transitions. Word has length 222 [2020-08-22 16:49:54,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:49:54,331 INFO L479 AbstractCegarLoop]: Abstraction has 6772 states and 8505 transitions. [2020-08-22 16:49:54,331 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 16:49:54,331 INFO L276 IsEmpty]: Start isEmpty. Operand 6772 states and 8505 transitions. [2020-08-22 16:49:54,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-08-22 16:49:54,363 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:49:54,363 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:49:54,578 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:49:54,578 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:49:54,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:49:54,579 INFO L82 PathProgramCache]: Analyzing trace with hash 879681691, now seen corresponding path program 1 times [2020-08-22 16:49:54,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:49:54,579 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794396540] [2020-08-22 16:49:54,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:49:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:54,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:49:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:54,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:49:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:54,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 16:49:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:54,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 16:49:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:54,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-22 16:49:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:54,848 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 122 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-08-22 16:49:54,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794396540] [2020-08-22 16:49:54,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71975475] [2020-08-22 16:49:54,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-08-22 16:49:54,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:55,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:49:55,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:49:55,225 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 165 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-08-22 16:49:55,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:49:55,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-08-22 16:49:55,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989456328] [2020-08-22 16:49:55,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 16:49:55,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:49:55,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 16:49:55,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:49:55,228 INFO L87 Difference]: Start difference. First operand 6772 states and 8505 transitions. Second operand 10 states. [2020-08-22 16:49:58,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:49:58,806 INFO L93 Difference]: Finished difference Result 14317 states and 18966 transitions. [2020-08-22 16:49:58,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-22 16:49:58,806 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 227 [2020-08-22 16:49:58,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:49:58,858 INFO L225 Difference]: With dead ends: 14317 [2020-08-22 16:49:58,858 INFO L226 Difference]: Without dead ends: 7555 [2020-08-22 16:49:58,885 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=190, Invalid=740, Unknown=0, NotChecked=0, Total=930 [2020-08-22 16:49:58,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7555 states. [2020-08-22 16:49:59,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7555 to 6943. [2020-08-22 16:49:59,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6943 states. [2020-08-22 16:49:59,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6943 states to 6943 states and 8406 transitions. [2020-08-22 16:49:59,170 INFO L78 Accepts]: Start accepts. Automaton has 6943 states and 8406 transitions. Word has length 227 [2020-08-22 16:49:59,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:49:59,170 INFO L479 AbstractCegarLoop]: Abstraction has 6943 states and 8406 transitions. [2020-08-22 16:49:59,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 16:49:59,171 INFO L276 IsEmpty]: Start isEmpty. Operand 6943 states and 8406 transitions. [2020-08-22 16:49:59,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-08-22 16:49:59,205 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:49:59,209 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:49:59,423 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:49:59,423 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:49:59,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:49:59,424 INFO L82 PathProgramCache]: Analyzing trace with hash 512785201, now seen corresponding path program 1 times [2020-08-22 16:49:59,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:49:59,425 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182041315] [2020-08-22 16:49:59,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:49:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:59,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:49:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:59,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:49:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:59,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 16:49:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:59,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-22 16:49:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:59,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-22 16:49:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:59,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-08-22 16:49:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:59,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-08-22 16:49:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:59,777 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 169 proven. 50 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2020-08-22 16:49:59,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182041315] [2020-08-22 16:49:59,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940570953] [2020-08-22 16:49:59,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-08-22 16:49:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:59,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:49:59,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:50:00,013 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 256 proven. 2 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2020-08-22 16:50:00,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:50:00,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-08-22 16:50:00,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794207477] [2020-08-22 16:50:00,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 16:50:00,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:50:00,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 16:50:00,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:50:00,015 INFO L87 Difference]: Start difference. First operand 6943 states and 8406 transitions. Second operand 10 states. [2020-08-22 16:50:01,207 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2020-08-22 16:50:02,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:50:02,926 INFO L93 Difference]: Finished difference Result 12140 states and 14447 transitions. [2020-08-22 16:50:02,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-08-22 16:50:02,927 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 272 [2020-08-22 16:50:02,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:50:02,927 INFO L225 Difference]: With dead ends: 12140 [2020-08-22 16:50:02,927 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 16:50:02,954 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=165, Invalid=647, Unknown=0, NotChecked=0, Total=812 [2020-08-22 16:50:02,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 16:50:02,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 16:50:02,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 16:50:02,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 16:50:02,955 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 272 [2020-08-22 16:50:02,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:50:02,956 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 16:50:02,956 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 16:50:02,956 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 16:50:02,956 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 16:50:03,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-08-22 16:50:03,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 16:50:04,008 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2020-08-22 16:50:04,658 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 221 [2020-08-22 16:50:05,158 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 221 [2020-08-22 16:50:07,700 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 201 DAG size of output: 95 [2020-08-22 16:50:09,063 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 206 DAG size of output: 78 [2020-08-22 16:50:10,422 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 206 DAG size of output: 78 [2020-08-22 16:50:10,426 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:50:10,427 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-08-22 16:50:10,427 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:50:10,427 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-08-22 16:50:10,427 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-08-22 16:50:10,428 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,428 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,428 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,428 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,428 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,428 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,428 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-08-22 16:50:10,428 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-08-22 16:50:10,429 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-08-22 16:50:10,429 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-08-22 16:50:10,429 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-08-22 16:50:10,429 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-08-22 16:50:10,429 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-08-22 16:50:10,429 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-08-22 16:50:10,429 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-08-22 16:50:10,429 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-08-22 16:50:10,430 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,430 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,430 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,430 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,430 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,430 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,430 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-08-22 16:50:10,430 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-08-22 16:50:10,430 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-08-22 16:50:10,431 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-08-22 16:50:10,431 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-08-22 16:50:10,431 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-08-22 16:50:10,431 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-08-22 16:50:10,431 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-08-22 16:50:10,431 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-08-22 16:50:10,431 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-08-22 16:50:10,431 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-08-22 16:50:10,432 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 485) no Hoare annotation was computed. [2020-08-22 16:50:10,432 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-08-22 16:50:10,432 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-08-22 16:50:10,432 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-08-22 16:50:10,432 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-08-22 16:50:10,432 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,432 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,432 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,433 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,433 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,433 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-08-22 16:50:10,433 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-08-22 16:50:10,433 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-08-22 16:50:10,433 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-08-22 16:50:10,433 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-08-22 16:50:10,433 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-08-22 16:50:10,433 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-08-22 16:50:10,434 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-08-22 16:50:10,434 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-08-22 16:50:10,434 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,434 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,434 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,434 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,434 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,434 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-08-22 16:50:10,434 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-08-22 16:50:10,435 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-08-22 16:50:10,435 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-08-22 16:50:10,435 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-08-22 16:50:10,435 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-08-22 16:50:10,435 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-08-22 16:50:10,435 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-08-22 16:50:10,435 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-08-22 16:50:10,435 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-08-22 16:50:10,435 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-08-22 16:50:10,436 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-08-22 16:50:10,436 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-08-22 16:50:10,436 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,436 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,436 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,436 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,436 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,436 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-08-22 16:50:10,437 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-08-22 16:50:10,437 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-08-22 16:50:10,437 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-08-22 16:50:10,437 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-08-22 16:50:10,437 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-08-22 16:50:10,437 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-08-22 16:50:10,437 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-08-22 16:50:10,437 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-08-22 16:50:10,437 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,437 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,438 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,438 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,438 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,438 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,438 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-08-22 16:50:10,438 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,438 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-08-22 16:50:10,438 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-08-22 16:50:10,438 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-08-22 16:50:10,439 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-22 16:50:10,439 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-08-22 16:50:10,439 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-08-22 16:50:10,439 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-08-22 16:50:10,439 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-08-22 16:50:10,439 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-08-22 16:50:10,439 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-08-22 16:50:10,439 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-08-22 16:50:10,440 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-08-22 16:50:10,440 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-08-22 16:50:10,440 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,440 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,440 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,440 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,440 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,440 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-08-22 16:50:10,440 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-08-22 16:50:10,440 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-08-22 16:50:10,441 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-22 16:50:10,441 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-08-22 16:50:10,441 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-08-22 16:50:10,441 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-08-22 16:50:10,441 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-08-22 16:50:10,441 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,441 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,441 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,442 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,442 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,442 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-08-22 16:50:10,442 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-08-22 16:50:10,442 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-08-22 16:50:10,442 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-08-22 16:50:10,442 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-08-22 16:50:10,442 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-08-22 16:50:10,442 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-22 16:50:10,443 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-08-22 16:50:10,443 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-08-22 16:50:10,443 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-08-22 16:50:10,443 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse22 (= ~a17~0 1)) (.cse1 (not (<= |old(~a7~0)| 0))) (.cse8 (not (<= |old(~a16~0)| 5))) (.cse24 (not (<= |old(~a8~0)| 14))) (.cse18 (= ~a21~0 |old(~a21~0)|)) (.cse25 (= ~a16~0 |old(~a16~0)|)) (.cse17 (= ~a7~0 |old(~a7~0)|)) (.cse23 (= ~a17~0 |old(~a17~0)|)) (.cse26 (= ~a21~0 1)) (.cse19 (= ~a20~0 |old(~a20~0)|)) (.cse20 (= ~a8~0 |old(~a8~0)|)) (.cse21 (= ~a16~0 4))) (let ((.cse0 (and .cse17 .cse23 .cse26 .cse19 .cse20 .cse21)) (.cse14 (and (let ((.cse27 (<= ~a8~0 14)) (.cse28 (<= ~a16~0 5))) (or (and .cse17 .cse23 .cse19 .cse27 .cse18 .cse28 (<= ~a7~0 0) .cse20) (and .cse23 .cse17 .cse27 .cse18 .cse19 .cse28 (not (= ~a8~0 13)) .cse20))) .cse25)) (.cse13 (and (or (= |old(~a8~0)| 13) .cse8 .cse24) (or .cse1 .cse8 .cse24))) (.cse2 (not (= |old(~a20~0)| 1))) (.cse5 (not (= 4 |old(~a16~0)|))) (.cse6 (not (= |old(~a17~0)| 1))) (.cse15 (and .cse17 .cse18 .cse19 .cse25 .cse20 .cse22)) (.cse7 (not (<= 5 |old(~a16~0)|))) (.cse11 (not (<= 15 |old(~a8~0)|))) (.cse9 (and .cse17 .cse23 .cse26 .cse19 .cse25 .cse20)) (.cse4 (not (= |old(~a21~0)| 1))) (.cse10 (not (<= |old(~a20~0)| 0))) (.cse16 (not (<= |old(~a8~0)| 13))) (.cse3 (not (<= |old(~a17~0)| 0))) (.cse12 (not (<= 6 |old(~a16~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse4 .cse9 .cse10) (or .cse6 .cse1 .cse11 .cse12 .cse9 .cse4 .cse10) (or .cse3 .cse13 .cse14 .cse4) (or .cse7 .cse11 .cse2 .cse3 .cse9 .cse4) (or .cse0 .cse3 .cse4 .cse10 .cse5) (or .cse14 .cse13 (not (= 5 |old(~a16~0)|))) (or .cse6 .cse7 .cse1 .cse8 .cse2 .cse9 .cse4) (or .cse15 .cse6 .cse1 .cse16) (or .cse6 (and .cse17 .cse18 .cse19 .cse20 .cse21 .cse22) .cse4 .cse5) (or (and .cse23 .cse17 .cse18 .cse19 .cse20 .cse21) .cse8 .cse24 .cse3 .cse5) (or .cse6 .cse15 .cse8 .cse24) (or .cse1 .cse11 .cse3 .cse12 .cse9 .cse4 .cse10) (or .cse7 .cse8 .cse11 .cse3 .cse9 .cse4 .cse10) (or .cse16 (and .cse23 .cse17 .cse18 .cse19 .cse25 .cse20) .cse3 .cse12)))) [2020-08-22 16:50:10,443 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-08-22 16:50:10,444 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,444 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,444 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,444 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,444 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-08-22 16:50:10,444 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,444 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,444 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-08-22 16:50:10,444 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-08-22 16:50:10,444 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-08-22 16:50:10,445 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-08-22 16:50:10,445 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-08-22 16:50:10,445 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-22 16:50:10,445 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-08-22 16:50:10,445 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-08-22 16:50:10,445 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-08-22 16:50:10,445 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-08-22 16:50:10,445 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-08-22 16:50:10,445 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-08-22 16:50:10,446 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,446 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,446 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,446 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,446 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,446 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-08-22 16:50:10,446 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,446 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-08-22 16:50:10,446 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-08-22 16:50:10,446 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-08-22 16:50:10,447 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-08-22 16:50:10,447 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-08-22 16:50:10,447 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-08-22 16:50:10,447 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-08-22 16:50:10,447 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-08-22 16:50:10,447 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-08-22 16:50:10,447 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-08-22 16:50:10,447 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-08-22 16:50:10,447 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-08-22 16:50:10,448 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-08-22 16:50:10,448 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-08-22 16:50:10,448 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,448 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,448 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,448 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,448 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,448 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:50:10,448 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-08-22 16:50:10,449 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-08-22 16:50:10,449 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-08-22 16:50:10,449 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-08-22 16:50:10,449 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-08-22 16:50:10,449 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-08-22 16:50:10,449 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-08-22 16:50:10,449 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-08-22 16:50:10,449 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-08-22 16:50:10,449 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-08-22 16:50:10,450 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:50:10,450 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (<= ~a16~0 5) (<= ~a7~0 0) (= ~a20~0 1) (<= 5 ~a16~0) (<= 15 ~a8~0) (= ~a17~0 1)) [2020-08-22 16:50:10,450 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 16:50:10,450 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:50:10,450 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 1) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)) (not (= |old(~a21~0)| 1))) [2020-08-22 16:50:10,450 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-08-22 16:50:10,451 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse11 (<= ~a7~0 0)) (.cse6 (<= ~a8~0 14)) (.cse1 (<= ~a16~0 5))) (let ((.cse9 (or (and .cse6 .cse1 .cse11) (and .cse6 .cse1 (not (= ~a8~0 13))))) (.cse8 (= ~a20~0 1)) (.cse10 (= ~a16~0 4)) (.cse0 (= ~a21~0 1)) (.cse7 (<= ~a17~0 0)) (.cse5 (<= ~a20~0 0)) (.cse2 (<= 5 ~a16~0)) (.cse3 (<= 15 ~a8~0)) (.cse4 (= ~a17~0 1)) (.cse12 (<= ~a8~0 13))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= 5 |old(~a16~0)|)) (and .cse6 .cse1 .cse4) (and .cse0 .cse7 .cse8 .cse2 .cse3) (and .cse9 (= ~a16~0 |old(~a16~0)|)) (not (<= |old(~a7~0)| 0)) (and .cse6 .cse7 .cse10) (and .cse9 .cse0 .cse7) (not (= |old(~a20~0)| 1)) (and .cse0 .cse7 .cse11 .cse8 .cse10) (not (= |old(~a21~0)| 1)) (and .cse0 .cse7 .cse11 .cse2 .cse3 .cse5) (not (= |old(~a17~0)| 1)) (and .cse0 .cse11 .cse2 .cse3 .cse4 .cse5) (and (<= 6 ~a16~0) .cse7 .cse12) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (and .cse0 .cse7 .cse10 .cse5) (and .cse0 .cse10 .cse4) (and .cse0 .cse1 .cse7 .cse2 .cse3 .cse5) (and (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) .cse1 (= ~a8~0 |old(~a8~0)|) .cse2 .cse3 .cse4) (and .cse11 .cse4 .cse12)))) [2020-08-22 16:50:10,451 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-08-22 16:50:10,451 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-08-22 16:50:10,451 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse11 (<= ~a7~0 0)) (.cse6 (<= ~a8~0 14)) (.cse1 (<= ~a16~0 5))) (let ((.cse9 (or (and .cse6 .cse1 .cse11) (and .cse6 .cse1 (not (= ~a8~0 13))))) (.cse8 (= ~a20~0 1)) (.cse10 (= ~a16~0 4)) (.cse0 (= ~a21~0 1)) (.cse7 (<= ~a17~0 0)) (.cse5 (<= ~a20~0 0)) (.cse2 (<= 5 ~a16~0)) (.cse3 (<= 15 ~a8~0)) (.cse4 (= ~a17~0 1)) (.cse12 (<= ~a8~0 13))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= 5 |old(~a16~0)|)) (and .cse6 .cse1 .cse4) (and .cse0 .cse7 .cse8 .cse2 .cse3) (and .cse9 (= ~a16~0 |old(~a16~0)|)) (not (<= |old(~a7~0)| 0)) (and .cse6 .cse7 .cse10) (and .cse9 .cse0 .cse7) (not (= |old(~a20~0)| 1)) (and .cse0 .cse7 .cse11 .cse8 .cse10) (not (= |old(~a21~0)| 1)) (and .cse0 .cse7 .cse11 .cse2 .cse3 .cse5) (not (= |old(~a17~0)| 1)) (and .cse0 .cse11 .cse2 .cse3 .cse4 .cse5) (and (<= 6 ~a16~0) .cse7 .cse12) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (and .cse0 .cse7 .cse10 .cse5) (and .cse0 .cse10 .cse4) (and .cse0 .cse1 .cse7 .cse2 .cse3 .cse5) (and (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) .cse1 (= ~a8~0 |old(~a8~0)|) .cse2 .cse3 .cse4) (and .cse11 .cse4 .cse12)))) [2020-08-22 16:50:10,451 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-08-22 16:50:10,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:50:10 BoogieIcfgContainer [2020-08-22 16:50:10,476 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:50:10,478 INFO L168 Benchmark]: Toolchain (without parser) took 36307.96 ms. Allocated memory was 142.1 MB in the beginning and 727.7 MB in the end (delta: 585.6 MB). Free memory was 103.7 MB in the beginning and 412.4 MB in the end (delta: -308.8 MB). Peak memory consumption was 609.9 MB. Max. memory is 7.1 GB. [2020-08-22 16:50:10,479 INFO L168 Benchmark]: CDTParser took 1.46 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 16:50:10,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 815.79 ms. Allocated memory was 142.1 MB in the beginning and 206.0 MB in the end (delta: 64.0 MB). Free memory was 103.4 MB in the beginning and 171.5 MB in the end (delta: -68.0 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. [2020-08-22 16:50:10,480 INFO L168 Benchmark]: Boogie Preprocessor took 136.59 ms. Allocated memory is still 206.0 MB. Free memory was 171.5 MB in the beginning and 166.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-08-22 16:50:10,482 INFO L168 Benchmark]: RCFGBuilder took 1394.26 ms. Allocated memory was 206.0 MB in the beginning and 237.5 MB in the end (delta: 31.5 MB). Free memory was 166.8 MB in the beginning and 174.6 MB in the end (delta: -7.7 MB). Peak memory consumption was 77.6 MB. Max. memory is 7.1 GB. [2020-08-22 16:50:10,482 INFO L168 Benchmark]: TraceAbstraction took 33956.11 ms. Allocated memory was 237.5 MB in the beginning and 727.7 MB in the end (delta: 490.2 MB). Free memory was 174.6 MB in the beginning and 412.4 MB in the end (delta: -237.9 MB). Peak memory consumption was 585.3 MB. Max. memory is 7.1 GB. [2020-08-22 16:50:10,487 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.46 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 815.79 ms. Allocated memory was 142.1 MB in the beginning and 206.0 MB in the end (delta: 64.0 MB). Free memory was 103.4 MB in the beginning and 171.5 MB in the end (delta: -68.0 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.59 ms. Allocated memory is still 206.0 MB. Free memory was 171.5 MB in the beginning and 166.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1394.26 ms. Allocated memory was 206.0 MB in the beginning and 237.5 MB in the end (delta: 31.5 MB). Free memory was 166.8 MB in the beginning and 174.6 MB in the end (delta: -7.7 MB). Peak memory consumption was 77.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 33956.11 ms. Allocated memory was 237.5 MB in the beginning and 727.7 MB in the end (delta: 490.2 MB). Free memory was 174.6 MB in the beginning and 412.4 MB in the end (delta: -237.9 MB). Peak memory consumption was 585.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 485]: 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: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((a21 == 1 && a16 <= 5) && 5 <= a16) && 15 <= a8) && a17 == 1) && a20 <= 0) || !(5 <= \old(a16))) || ((a8 <= 14 && a16 <= 5) && a17 == 1)) || ((((a21 == 1 && a17 <= 0) && a20 == 1) && 5 <= a16) && 15 <= a8)) || ((((a8 <= 14 && a16 <= 5) && a7 <= 0) || ((a8 <= 14 && a16 <= 5) && !(a8 == 13))) && a16 == \old(a16))) || !(\old(a7) <= 0)) || ((a8 <= 14 && a17 <= 0) && a16 == 4)) || (((((a8 <= 14 && a16 <= 5) && a7 <= 0) || ((a8 <= 14 && a16 <= 5) && !(a8 == 13))) && a21 == 1) && a17 <= 0)) || !(\old(a20) == 1)) || ((((a21 == 1 && a17 <= 0) && a7 <= 0) && a20 == 1) && a16 == 4)) || !(\old(a21) == 1)) || (((((a21 == 1 && a17 <= 0) && a7 <= 0) && 5 <= a16) && 15 <= a8) && a20 <= 0)) || !(\old(a17) == 1)) || (((((a21 == 1 && a7 <= 0) && 5 <= a16) && 15 <= a8) && a17 == 1) && a20 <= 0)) || ((6 <= a16 && a17 <= 0) && a8 <= 13)) || !(\old(a16) <= 5)) || !(15 <= \old(a8))) || (((a21 == 1 && a17 <= 0) && a16 == 4) && a20 <= 0)) || ((a21 == 1 && a16 == 4) && a17 == 1)) || (((((a21 == 1 && a16 <= 5) && a17 <= 0) && 5 <= a16) && 15 <= a8) && a20 <= 0)) || (((((((a7 == \old(a7) && a21 == \old(a21)) && a20 == \old(a20)) && a16 <= 5) && a8 == \old(a8)) && 5 <= a16) && 15 <= a8) && a17 == 1)) || ((a7 <= 0 && a17 == 1) && a8 <= 13) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.5s, OverallIterations: 10, TraceHistogramMax: 7, AutomataDifference: 18.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 908 SDtfs, 5204 SDslu, 574 SDs, 0 SdLazy, 10851 SolverSat, 1856 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1462 GetRequests, 1336 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6943occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 1999 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 268 PreInvPairs, 358 NumberOfFragments, 1364 HoareAnnotationTreeSize, 268 FomulaSimplifications, 480900 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 25339 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 2856 NumberOfCodeBlocks, 2856 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2839 ConstructedInterpolants, 0 QuantifiedInterpolants, 1294091 SizeOfPredicates, 11 NumberOfNonLiveVariables, 3518 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 17 InterpolantComputations, 6 PerfectInterpolantSequences, 1617/1773 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...