/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:36:45,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:36:45,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:36:45,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 21:36:45,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 21:36:45,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 21:36:45,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 21:36:45,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 21:36:45,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 21:36:45,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 21:36:45,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 21:36:45,606 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 21:36:45,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:36:45,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:36:45,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:36:45,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:36:45,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:36:45,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:36:45,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:36:45,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:36:45,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:36:45,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:36:45,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:36:45,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:36:45,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-19 21:36:45,649 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 21:36:45,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 21:36:45,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 21:36:45,652 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 21:36:45,690 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:36:45,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:36:45,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:36:45,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:36:45,697 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:36:45,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:36:45,698 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:36:45,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:36:45,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:36:45,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:36:45,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:36:45,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:36:45,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:36:45,699 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:36:45,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:36:45,701 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:36:45,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:36:45,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:36:45,701 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:36:45,702 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:36:45,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:36:45,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:36:45,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:36:45,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:36:45,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:36:45,703 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:36:45,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:36:45,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:36:45,703 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:36:45,703 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 21:36:46,030 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:36:46,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:36:46,048 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:36:46,050 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:36:46,053 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:36:46,054 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label41.c [2020-07-19 21:36:46,136 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bef5b209/6405e20c42ac43bc8e5ba9b43d98e2bf/FLAGce89014c6 [2020-07-19 21:36:46,676 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:36:46,677 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label41.c [2020-07-19 21:36:46,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bef5b209/6405e20c42ac43bc8e5ba9b43d98e2bf/FLAGce89014c6 [2020-07-19 21:36:46,958 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bef5b209/6405e20c42ac43bc8e5ba9b43d98e2bf [2020-07-19 21:36:46,968 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:36:46,971 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:36:46,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:36:46,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:36:46,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:36:46,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:36:46" (1/1) ... [2020-07-19 21:36:46,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f49fecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:46, skipping insertion in model container [2020-07-19 21:36:46,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:36:46" (1/1) ... [2020-07-19 21:36:46,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:36:47,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:36:47,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:36:47,478 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:36:47,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:36:47,756 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:36:47,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:47 WrapperNode [2020-07-19 21:36:47,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:36:47,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:36:47,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:36:47,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:36:47,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:47" (1/1) ... [2020-07-19 21:36:47,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:47" (1/1) ... [2020-07-19 21:36:47,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:47" (1/1) ... [2020-07-19 21:36:47,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:47" (1/1) ... [2020-07-19 21:36:47,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:47" (1/1) ... [2020-07-19 21:36:47,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:47" (1/1) ... [2020-07-19 21:36:47,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:47" (1/1) ... [2020-07-19 21:36:47,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:36:47,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:36:47,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:36:47,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:36:47,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:36:47,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:36:47,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:36:47,938 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-19 21:36:47,939 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:36:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-19 21:36:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:36:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:36:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-19 21:36:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:36:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:36:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:36:49,178 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:36:49,178 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-19 21:36:49,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:36:49 BoogieIcfgContainer [2020-07-19 21:36:49,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:36:49,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:36:49,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:36:49,197 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:36:49,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:36:46" (1/3) ... [2020-07-19 21:36:49,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b3f2a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:36:49, skipping insertion in model container [2020-07-19 21:36:49,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:47" (2/3) ... [2020-07-19 21:36:49,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b3f2a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:36:49, skipping insertion in model container [2020-07-19 21:36:49,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:36:49" (3/3) ... [2020-07-19 21:36:49,204 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label41.c [2020-07-19 21:36:49,216 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:36:49,229 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:36:49,244 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:36:49,280 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:36:49,280 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:36:49,280 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:36:49,281 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:36:49,281 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:36:49,281 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:36:49,281 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:36:49,282 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:36:49,306 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-19 21:36:49,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-19 21:36:49,318 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:49,319 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] [2020-07-19 21:36:49,320 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:49,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:49,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1961179338, now seen corresponding path program 1 times [2020-07-19 21:36:49,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:49,334 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748499620] [2020-07-19 21:36:49,334 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@634f713b [2020-07-19 21:36:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:49,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:36:49,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748499620] [2020-07-19 21:36:49,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:36:49,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 21:36:49,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168794338] [2020-07-19 21:36:49,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 21:36:49,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:49,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 21:36:49,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:36:49,905 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2020-07-19 21:36:51,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:36:51,403 INFO L93 Difference]: Finished difference Result 651 states and 1104 transitions. [2020-07-19 21:36:51,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 21:36:51,405 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 96 [2020-07-19 21:36:51,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:36:51,423 INFO L225 Difference]: With dead ends: 651 [2020-07-19 21:36:51,424 INFO L226 Difference]: Without dead ends: 336 [2020-07-19 21:36:51,432 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 21:36:51,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2020-07-19 21:36:51,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 323. [2020-07-19 21:36:51,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2020-07-19 21:36:51,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 475 transitions. [2020-07-19 21:36:51,516 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 475 transitions. Word has length 96 [2020-07-19 21:36:51,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:36:51,517 INFO L479 AbstractCegarLoop]: Abstraction has 323 states and 475 transitions. [2020-07-19 21:36:51,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 21:36:51,518 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 475 transitions. [2020-07-19 21:36:51,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-07-19 21:36:51,524 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:51,524 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:36:51,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:36:51,525 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:51,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:51,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1188249681, now seen corresponding path program 1 times [2020-07-19 21:36:51,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:51,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309323291] [2020-07-19 21:36:51,526 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@634f713b [2020-07-19 21:36:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:51,770 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:36:51,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309323291] [2020-07-19 21:36:51,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546342971] [2020-07-19 21:36:51,771 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@634f713b No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:36:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:51,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:36:51,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:36:51,949 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:36:51,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:36:51,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2020-07-19 21:36:51,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298454595] [2020-07-19 21:36:51,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:36:51,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:51,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:36:51,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:36:51,953 INFO L87 Difference]: Start difference. First operand 323 states and 475 transitions. Second operand 3 states. [2020-07-19 21:36:52,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:36:52,644 INFO L93 Difference]: Finished difference Result 933 states and 1395 transitions. [2020-07-19 21:36:52,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:36:52,644 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2020-07-19 21:36:52,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:36:52,651 INFO L225 Difference]: With dead ends: 933 [2020-07-19 21:36:52,652 INFO L226 Difference]: Without dead ends: 616 [2020-07-19 21:36:52,654 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:36:52,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2020-07-19 21:36:52,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 615. [2020-07-19 21:36:52,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2020-07-19 21:36:52,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 873 transitions. [2020-07-19 21:36:52,698 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 873 transitions. Word has length 104 [2020-07-19 21:36:52,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:36:52,699 INFO L479 AbstractCegarLoop]: Abstraction has 615 states and 873 transitions. [2020-07-19 21:36:52,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:36:52,699 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 873 transitions. [2020-07-19 21:36:52,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-07-19 21:36:52,704 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:52,704 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] [2020-07-19 21:36:52,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-19 21:36:52,914 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:52,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:52,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1268971123, now seen corresponding path program 1 times [2020-07-19 21:36:52,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:52,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228066685] [2020-07-19 21:36:52,917 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@634f713b [2020-07-19 21:36:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:53,115 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:36:53,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228066685] [2020-07-19 21:36:53,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:36:53,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 21:36:53,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231809116] [2020-07-19 21:36:53,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:36:53,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:53,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:36:53,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:36:53,119 INFO L87 Difference]: Start difference. First operand 615 states and 873 transitions. Second operand 8 states. [2020-07-19 21:36:54,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:36:54,089 INFO L93 Difference]: Finished difference Result 1236 states and 1816 transitions. [2020-07-19 21:36:54,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-19 21:36:54,089 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 106 [2020-07-19 21:36:54,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:36:54,098 INFO L225 Difference]: With dead ends: 1236 [2020-07-19 21:36:54,098 INFO L226 Difference]: Without dead ends: 627 [2020-07-19 21:36:54,100 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:36:54,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2020-07-19 21:36:54,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 603. [2020-07-19 21:36:54,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 603 states. [2020-07-19 21:36:54,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 814 transitions. [2020-07-19 21:36:54,135 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 814 transitions. Word has length 106 [2020-07-19 21:36:54,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:36:54,136 INFO L479 AbstractCegarLoop]: Abstraction has 603 states and 814 transitions. [2020-07-19 21:36:54,136 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:36:54,136 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 814 transitions. [2020-07-19 21:36:54,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-07-19 21:36:54,140 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:54,140 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:36:54,140 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 21:36:54,141 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:54,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:54,141 INFO L82 PathProgramCache]: Analyzing trace with hash 2106809349, now seen corresponding path program 1 times [2020-07-19 21:36:54,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:54,142 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041013921] [2020-07-19 21:36:54,142 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@634f713b [2020-07-19 21:36:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:54,379 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:36:54,379 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041013921] [2020-07-19 21:36:54,380 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729035990] [2020-07-19 21:36:54,380 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@634f713b No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:36:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:54,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:36:54,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:36:54,567 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:36:54,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:36:54,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-07-19 21:36:54,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12032927] [2020-07-19 21:36:54,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:36:54,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:54,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:36:54,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-19 21:36:54,572 INFO L87 Difference]: Start difference. First operand 603 states and 814 transitions. Second operand 3 states. [2020-07-19 21:36:55,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:36:55,152 INFO L93 Difference]: Finished difference Result 1204 states and 1650 transitions. [2020-07-19 21:36:55,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:36:55,154 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2020-07-19 21:36:55,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:36:55,158 INFO L225 Difference]: With dead ends: 1204 [2020-07-19 21:36:55,159 INFO L226 Difference]: Without dead ends: 751 [2020-07-19 21:36:55,160 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-19 21:36:55,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2020-07-19 21:36:55,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 607. [2020-07-19 21:36:55,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2020-07-19 21:36:55,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 781 transitions. [2020-07-19 21:36:55,183 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 781 transitions. Word has length 110 [2020-07-19 21:36:55,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:36:55,184 INFO L479 AbstractCegarLoop]: Abstraction has 607 states and 781 transitions. [2020-07-19 21:36:55,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:36:55,184 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 781 transitions. [2020-07-19 21:36:55,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-07-19 21:36:55,187 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:55,187 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-19 21:36:55,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:36:55,402 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:55,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:55,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1318994351, now seen corresponding path program 1 times [2020-07-19 21:36:55,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:55,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012558565] [2020-07-19 21:36:55,404 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@634f713b [2020-07-19 21:36:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:55,597 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:36:55,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012558565] [2020-07-19 21:36:55,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590826113] [2020-07-19 21:36:55,598 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@634f713b No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:36:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:55,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-19 21:36:55,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:36:55,835 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:36:55,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:36:55,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2020-07-19 21:36:55,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391541351] [2020-07-19 21:36:55,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 21:36:55,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:55,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 21:36:55,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:36:55,837 INFO L87 Difference]: Start difference. First operand 607 states and 781 transitions. Second operand 7 states. [2020-07-19 21:36:57,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:36:57,888 INFO L93 Difference]: Finished difference Result 2993 states and 4035 transitions. [2020-07-19 21:36:57,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 21:36:57,893 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 117 [2020-07-19 21:36:57,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:36:57,911 INFO L225 Difference]: With dead ends: 2993 [2020-07-19 21:36:57,911 INFO L226 Difference]: Without dead ends: 2392 [2020-07-19 21:36:57,915 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2020-07-19 21:36:57,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2392 states. [2020-07-19 21:36:58,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2392 to 2388. [2020-07-19 21:36:58,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2388 states. [2020-07-19 21:36:58,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 2388 states and 3022 transitions. [2020-07-19 21:36:58,034 INFO L78 Accepts]: Start accepts. Automaton has 2388 states and 3022 transitions. Word has length 117 [2020-07-19 21:36:58,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:36:58,034 INFO L479 AbstractCegarLoop]: Abstraction has 2388 states and 3022 transitions. [2020-07-19 21:36:58,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 21:36:58,034 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 3022 transitions. [2020-07-19 21:36:58,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-19 21:36:58,041 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:58,042 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:36:58,254 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:36:58,255 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:58,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:58,255 INFO L82 PathProgramCache]: Analyzing trace with hash 212891463, now seen corresponding path program 1 times [2020-07-19 21:36:58,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:58,259 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437777032] [2020-07-19 21:36:58,259 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@634f713b [2020-07-19 21:36:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:58,481 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 32 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-19 21:36:58,482 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437777032] [2020-07-19 21:36:58,482 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406523955] [2020-07-19 21:36:58,482 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@634f713b No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:36:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:58,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:36:58,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:36:58,638 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-19 21:36:58,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:36:58,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2020-07-19 21:36:58,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045911765] [2020-07-19 21:36:58,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 21:36:58,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:58,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 21:36:58,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:36:58,641 INFO L87 Difference]: Start difference. First operand 2388 states and 3022 transitions. Second operand 12 states. [2020-07-19 21:37:02,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:37:02,448 INFO L93 Difference]: Finished difference Result 6476 states and 8327 transitions. [2020-07-19 21:37:02,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-19 21:37:02,455 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 133 [2020-07-19 21:37:02,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:37:02,475 INFO L225 Difference]: With dead ends: 6476 [2020-07-19 21:37:02,476 INFO L226 Difference]: Without dead ends: 4094 [2020-07-19 21:37:02,483 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=322, Invalid=1238, Unknown=0, NotChecked=0, Total=1560 [2020-07-19 21:37:02,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4094 states. [2020-07-19 21:37:02,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4094 to 3628. [2020-07-19 21:37:02,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3628 states. [2020-07-19 21:37:02,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3628 states to 3628 states and 4260 transitions. [2020-07-19 21:37:02,595 INFO L78 Accepts]: Start accepts. Automaton has 3628 states and 4260 transitions. Word has length 133 [2020-07-19 21:37:02,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:37:02,595 INFO L479 AbstractCegarLoop]: Abstraction has 3628 states and 4260 transitions. [2020-07-19 21:37:02,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 21:37:02,596 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 4260 transitions. [2020-07-19 21:37:02,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-07-19 21:37:02,604 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:37:02,605 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:37:02,819 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:37:02,820 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:37:02,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:37:02,820 INFO L82 PathProgramCache]: Analyzing trace with hash -183412167, now seen corresponding path program 1 times [2020-07-19 21:37:02,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:37:02,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187624926] [2020-07-19 21:37:02,821 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@634f713b [2020-07-19 21:37:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:02,959 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:37:02,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187624926] [2020-07-19 21:37:02,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723094577] [2020-07-19 21:37:02,960 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@634f713b No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:37:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:03,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-19 21:37:03,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:37:03,110 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-19 21:37:03,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:37:03,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2020-07-19 21:37:03,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887779645] [2020-07-19 21:37:03,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:37:03,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:37:03,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:37:03,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:37:03,113 INFO L87 Difference]: Start difference. First operand 3628 states and 4260 transitions. Second operand 5 states. [2020-07-19 21:37:03,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:37:03,875 INFO L93 Difference]: Finished difference Result 7315 states and 8805 transitions. [2020-07-19 21:37:03,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 21:37:03,876 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2020-07-19 21:37:03,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:37:03,897 INFO L225 Difference]: With dead ends: 7315 [2020-07-19 21:37:03,897 INFO L226 Difference]: Without dead ends: 3693 [2020-07-19 21:37:03,908 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-07-19 21:37:03,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3693 states. [2020-07-19 21:37:04,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3693 to 3639. [2020-07-19 21:37:04,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3639 states. [2020-07-19 21:37:04,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3639 states to 3639 states and 4038 transitions. [2020-07-19 21:37:04,061 INFO L78 Accepts]: Start accepts. Automaton has 3639 states and 4038 transitions. Word has length 147 [2020-07-19 21:37:04,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:37:04,062 INFO L479 AbstractCegarLoop]: Abstraction has 3639 states and 4038 transitions. [2020-07-19 21:37:04,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:37:04,062 INFO L276 IsEmpty]: Start isEmpty. Operand 3639 states and 4038 transitions. [2020-07-19 21:37:04,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-07-19 21:37:04,070 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:37:04,071 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-19 21:37:04,284 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-19 21:37:04,285 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:37:04,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:37:04,287 INFO L82 PathProgramCache]: Analyzing trace with hash -2138128549, now seen corresponding path program 1 times [2020-07-19 21:37:04,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:37:04,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130807987] [2020-07-19 21:37:04,288 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@634f713b [2020-07-19 21:37:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:04,484 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 102 proven. 34 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-19 21:37:04,485 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130807987] [2020-07-19 21:37:04,485 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735329558] [2020-07-19 21:37:04,486 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@634f713b No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:37:04,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:04,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:37:04,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:37:04,644 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-07-19 21:37:04,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:37:04,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-07-19 21:37:04,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596373898] [2020-07-19 21:37:04,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 21:37:04,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:37:04,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 21:37:04,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:37:04,647 INFO L87 Difference]: Start difference. First operand 3639 states and 4038 transitions. Second operand 10 states. [2020-07-19 21:37:06,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:37:06,221 INFO L93 Difference]: Finished difference Result 7872 states and 8799 transitions. [2020-07-19 21:37:06,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 21:37:06,224 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 197 [2020-07-19 21:37:06,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:37:06,249 INFO L225 Difference]: With dead ends: 7872 [2020-07-19 21:37:06,250 INFO L226 Difference]: Without dead ends: 4239 [2020-07-19 21:37:06,263 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-07-19 21:37:06,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4239 states. [2020-07-19 21:37:06,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4239 to 4231. [2020-07-19 21:37:06,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4231 states. [2020-07-19 21:37:06,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4231 states to 4231 states and 4693 transitions. [2020-07-19 21:37:06,401 INFO L78 Accepts]: Start accepts. Automaton has 4231 states and 4693 transitions. Word has length 197 [2020-07-19 21:37:06,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:37:06,402 INFO L479 AbstractCegarLoop]: Abstraction has 4231 states and 4693 transitions. [2020-07-19 21:37:06,402 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 21:37:06,402 INFO L276 IsEmpty]: Start isEmpty. Operand 4231 states and 4693 transitions. [2020-07-19 21:37:06,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-07-19 21:37:06,417 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:37:06,418 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-19 21:37:06,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:37:06,632 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:37:06,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:37:06,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1298715091, now seen corresponding path program 1 times [2020-07-19 21:37:06,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:37:06,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419396391] [2020-07-19 21:37:06,634 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@634f713b [2020-07-19 21:37:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:06,957 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 110 proven. 34 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-19 21:37:06,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419396391] [2020-07-19 21:37:06,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712789909] [2020-07-19 21:37:06,959 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@634f713b No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:37:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:07,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:37:07,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:37:07,237 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 145 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-19 21:37:07,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:37:07,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-19 21:37:07,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827470743] [2020-07-19 21:37:07,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 21:37:07,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:37:07,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 21:37:07,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:37:07,246 INFO L87 Difference]: Start difference. First operand 4231 states and 4693 transitions. Second operand 10 states. [2020-07-19 21:37:07,714 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2020-07-19 21:37:10,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:37:10,967 INFO L93 Difference]: Finished difference Result 8266 states and 9084 transitions. [2020-07-19 21:37:10,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-19 21:37:10,967 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 201 [2020-07-19 21:37:10,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:37:10,968 INFO L225 Difference]: With dead ends: 8266 [2020-07-19 21:37:10,968 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:37:10,982 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=137, Invalid=463, Unknown=0, NotChecked=0, Total=600 [2020-07-19 21:37:10,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:37:10,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:37:10,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:37:10,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:37:10,983 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 201 [2020-07-19 21:37:10,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:37:10,983 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:37:10,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 21:37:10,983 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:37:10,983 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:37:11,196 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:37:11,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:37:11,679 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 120 [2020-07-19 21:37:11,839 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 120 [2020-07-19 21:37:11,973 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 30 [2020-07-19 21:37:13,344 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 153 DAG size of output: 64 [2020-07-19 21:37:13,942 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 52 [2020-07-19 21:37:14,495 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 52 [2020-07-19 21:37:14,500 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:37:14,501 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-19 21:37:14,501 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:37:14,502 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,502 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,502 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,503 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,503 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,503 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-19 21:37:14,503 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-19 21:37:14,503 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-19 21:37:14,504 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-19 21:37:14,504 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-19 21:37:14,504 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-19 21:37:14,504 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-19 21:37:14,504 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-19 21:37:14,504 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-19 21:37:14,504 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-19 21:37:14,504 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-19 21:37:14,505 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-19 21:37:14,505 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-19 21:37:14,505 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,505 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,505 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,505 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,505 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-19 21:37:14,506 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,506 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-19 21:37:14,506 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-19 21:37:14,506 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-19 21:37:14,506 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-19 21:37:14,506 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-19 21:37:14,506 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-19 21:37:14,506 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-19 21:37:14,507 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-19 21:37:14,507 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-19 21:37:14,507 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-19 21:37:14,507 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-19 21:37:14,507 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-19 21:37:14,507 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-19 21:37:14,507 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-19 21:37:14,507 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-19 21:37:14,508 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,508 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,508 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,508 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,508 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,508 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 442) no Hoare annotation was computed. [2020-07-19 21:37:14,508 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-19 21:37:14,508 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-19 21:37:14,509 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-19 21:37:14,509 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-19 21:37:14,509 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-19 21:37:14,509 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-19 21:37:14,509 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-19 21:37:14,509 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-19 21:37:14,509 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-19 21:37:14,509 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-19 21:37:14,510 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-19 21:37:14,510 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,510 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,510 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,510 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,510 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,510 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-19 21:37:14,510 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-19 21:37:14,510 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-19 21:37:14,511 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-19 21:37:14,511 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-19 21:37:14,511 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-19 21:37:14,511 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-19 21:37:14,511 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-19 21:37:14,511 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-19 21:37:14,511 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-19 21:37:14,511 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-19 21:37:14,511 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-19 21:37:14,512 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-19 21:37:14,512 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,512 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,512 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,512 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,512 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,512 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-19 21:37:14,512 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-19 21:37:14,513 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-19 21:37:14,513 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-19 21:37:14,513 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-19 21:37:14,513 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-19 21:37:14,513 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-19 21:37:14,513 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-19 21:37:14,513 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-19 21:37:14,513 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-19 21:37:14,514 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-19 21:37:14,514 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-19 21:37:14,514 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-19 21:37:14,514 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-19 21:37:14,514 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-19 21:37:14,514 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-19 21:37:14,514 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,515 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,515 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,515 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,515 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-19 21:37:14,515 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,515 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-19 21:37:14,515 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,515 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-19 21:37:14,516 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-19 21:37:14,516 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-19 21:37:14,516 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,516 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,516 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-19 21:37:14,516 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-19 21:37:14,516 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-19 21:37:14,516 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-19 21:37:14,517 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-19 21:37:14,517 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-19 21:37:14,517 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-19 21:37:14,517 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-19 21:37:14,517 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-19 21:37:14,517 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-19 21:37:14,517 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-19 21:37:14,517 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,517 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,518 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,518 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,518 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,518 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,518 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-19 21:37:14,518 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-19 21:37:14,518 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-19 21:37:14,518 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-19 21:37:14,518 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-19 21:37:14,519 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-19 21:37:14,519 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-19 21:37:14,519 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-19 21:37:14,519 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-19 21:37:14,519 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-19 21:37:14,519 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-19 21:37:14,519 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,520 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,520 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,520 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,520 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,520 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,520 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-19 21:37:14,520 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-19 21:37:14,520 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-19 21:37:14,521 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-19 21:37:14,521 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-19 21:37:14,521 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-19 21:37:14,521 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-19 21:37:14,521 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-19 21:37:14,521 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-19 21:37:14,521 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-19 21:37:14,521 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-19 21:37:14,521 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-19 21:37:14,522 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-19 21:37:14,522 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-19 21:37:14,522 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,522 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,522 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,523 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (= ~a25~0 |old(~a25~0)|)) (.cse21 (= 1 |old(~a25~0)|)) (.cse20 (= 1 |old(~a19~0)|)) (.cse0 (= ~a11~0 |old(~a11~0)|)) (.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a19~0 |old(~a19~0)|)) (.cse10 (= ~a28~0 |old(~a28~0)|)) (.cse11 (= 1 ~a25~0))) (let ((.cse17 (and .cse0 .cse1 .cse3 .cse10 .cse11)) (.cse15 (not .cse20)) (.cse16 (not (<= |old(~a28~0)| 7))) (.cse14 (not (<= |old(~a11~0)| 0))) (.cse6 (not (<= 9 |old(~a28~0)|))) (.cse13 (not .cse21)) (.cse2 (<= ~a28~0 9)) (.cse4 (<= 9 ~a28~0)) (.cse7 (not (<= |old(~a28~0)| 9))) (.cse8 (not (<= 8 |old(~a17~0)|))) (.cse9 (not (<= |old(~a17~0)| 8))) (.cse12 (not (<= |old(~a28~0)| 10))) (.cse19 (and .cse0 .cse1 .cse3 .cse10 .cse5)) (.cse18 (not (<= 10 |old(~a28~0)|)))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9) (or (and .cse0 .cse1 .cse10 .cse3 .cse11) .cse12 .cse13 .cse8 .cse9 .cse14) (or .cse15 .cse16 .cse13 .cse17 .cse9) (or .cse15 .cse8 .cse13 .cse17 .cse9 .cse14) (or .cse15 .cse12 (and .cse0 .cse1 .cse10 .cse3 .cse5) .cse8 .cse18 .cse9) (or .cse15 .cse16 .cse19 .cse9 .cse14) (or .cse6 .cse7 .cse13 (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse11) .cse9 (= |old(~a19~0)| |old(~a25~0)|)) (or .cse20 .cse7 .cse8 .cse19 .cse9) (or .cse21 .cse12 .cse19 (not (<= |old(~a17~0)| 7)) .cse18)))) [2020-07-19 21:37:14,524 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,524 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,524 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,524 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-19 21:37:14,524 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-19 21:37:14,524 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-19 21:37:14,524 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-19 21:37:14,524 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-19 21:37:14,525 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-19 21:37:14,525 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-19 21:37:14,525 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-19 21:37:14,525 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-19 21:37:14,525 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-19 21:37:14,525 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-19 21:37:14,525 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-19 21:37:14,525 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-19 21:37:14,526 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,526 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,526 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,526 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,526 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,526 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,526 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-19 21:37:14,526 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-19 21:37:14,527 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-19 21:37:14,527 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-19 21:37:14,527 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-19 21:37:14,527 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-19 21:37:14,527 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-19 21:37:14,527 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-19 21:37:14,527 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-19 21:37:14,527 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-19 21:37:14,528 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-19 21:37:14,528 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-19 21:37:14,528 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-19 21:37:14,528 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-19 21:37:14,528 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-19 21:37:14,528 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-19 21:37:14,528 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,528 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,529 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,529 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,529 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:14,529 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-19 21:37:14,529 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-19 21:37:14,529 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-19 21:37:14,529 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-19 21:37:14,529 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-19 21:37:14,530 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-19 21:37:14,530 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-19 21:37:14,530 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-19 21:37:14,530 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-19 21:37:14,530 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-19 21:37:14,530 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-19 21:37:14,530 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-19 21:37:14,530 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-19 21:37:14,530 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-19 21:37:14,531 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-19 21:37:14,531 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-19 21:37:14,531 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-19 21:37:14,531 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-19 21:37:14,531 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-19 21:37:14,531 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:37:14,531 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a17~0 8) (not (= 1 ~a25~0)) (<= ~a28~0 7)) [2020-07-19 21:37:14,532 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:37:14,532 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:37:14,532 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0)) (= |old(~a19~0)| |old(~a25~0)|)) [2020-07-19 21:37:14,532 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse7 (= 1 ~a19~0))) (let ((.cse5 (<= ~a28~0 10)) (.cse2 (<= ~a28~0 9)) (.cse3 (not .cse7)) (.cse8 (<= 9 ~a28~0)) (.cse4 (<= ~a11~0 |old(~a11~0)|)) (.cse0 (<= ~a17~0 |old(~a17~0)|)) (.cse1 (<= 8 ~a17~0)) (.cse6 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~a28~0)| 7)) (and .cse4 .cse0 .cse1 .cse5 .cse6) (and .cse7 .cse0 (<= ~a28~0 7) .cse6) (not (<= |old(~a11~0)| 0)) (= 1 |old(~a25~0)|) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (and .cse0 .cse5 (<= ~a17~0 7) (<= 10 ~a28~0) (not .cse6)) (and .cse7 .cse0 .cse1 .cse5 .cse8) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse2 .cse3 .cse8 .cse6) (and .cse7 .cse4 .cse0 .cse1 .cse6)))) [2020-07-19 21:37:14,532 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-19 21:37:14,532 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-19 21:37:14,533 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse7 (= 1 ~a19~0))) (let ((.cse5 (<= ~a28~0 10)) (.cse2 (<= ~a28~0 9)) (.cse3 (not .cse7)) (.cse8 (<= 9 ~a28~0)) (.cse4 (<= ~a11~0 |old(~a11~0)|)) (.cse0 (<= ~a17~0 |old(~a17~0)|)) (.cse1 (<= 8 ~a17~0)) (.cse6 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~a28~0)| 7)) (and .cse4 .cse0 .cse1 .cse5 .cse6) (and .cse7 .cse0 (<= ~a28~0 7) .cse6) (not (<= |old(~a11~0)| 0)) (= 1 |old(~a25~0)|) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (and .cse0 .cse5 (<= ~a17~0 7) (<= 10 ~a28~0) (not .cse6)) (and .cse7 .cse0 .cse1 .cse5 .cse8) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse2 .cse3 .cse8 .cse6) (and .cse7 .cse4 .cse0 .cse1 .cse6)))) [2020-07-19 21:37:14,533 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-19 21:37:14,533 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-19 21:37:14,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:37:14 BoogieIcfgContainer [2020-07-19 21:37:14,557 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:37:14,559 INFO L168 Benchmark]: Toolchain (without parser) took 27589.76 ms. Allocated memory was 138.4 MB in the beginning and 585.1 MB in the end (delta: 446.7 MB). Free memory was 101.3 MB in the beginning and 218.0 MB in the end (delta: -116.7 MB). Peak memory consumption was 420.3 MB. Max. memory is 7.1 GB. [2020-07-19 21:37:14,560 INFO L168 Benchmark]: CDTParser took 1.39 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-19 21:37:14,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 784.93 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 100.9 MB in the beginning and 169.8 MB in the end (delta: -69.0 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2020-07-19 21:37:14,562 INFO L168 Benchmark]: Boogie Preprocessor took 119.71 ms. Allocated memory is still 202.9 MB. Free memory was 169.8 MB in the beginning and 164.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-19 21:37:14,563 INFO L168 Benchmark]: RCFGBuilder took 1314.32 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 164.9 MB in the beginning and 180.7 MB in the end (delta: -15.8 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. [2020-07-19 21:37:14,564 INFO L168 Benchmark]: TraceAbstraction took 25364.41 ms. Allocated memory was 236.5 MB in the beginning and 585.1 MB in the end (delta: 348.7 MB). Free memory was 180.7 MB in the beginning and 218.0 MB in the end (delta: -37.3 MB). Peak memory consumption was 401.6 MB. Max. memory is 7.1 GB. [2020-07-19 21:37:14,568 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.39 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 784.93 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 100.9 MB in the beginning and 169.8 MB in the end (delta: -69.0 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.71 ms. Allocated memory is still 202.9 MB. Free memory was 169.8 MB in the beginning and 164.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1314.32 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 164.9 MB in the beginning and 180.7 MB in the end (delta: -15.8 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25364.41 ms. Allocated memory was 236.5 MB in the beginning and 585.1 MB in the end (delta: 348.7 MB). Free memory was 180.7 MB in the beginning and 218.0 MB in the end (delta: -37.3 MB). Peak memory consumption was 401.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 442]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((((!(1 == \old(a19)) || (((a17 <= \old(a17) && 8 <= a17) && a28 <= 9) && !(1 == a19))) || !(\old(a28) <= 7)) || ((((a11 <= \old(a11) && a17 <= \old(a17)) && 8 <= a17) && a28 <= 10) && 1 == a25)) || (((1 == a19 && a17 <= \old(a17)) && a28 <= 7) && 1 == a25)) || !(\old(a11) <= 0)) || 1 == \old(a25)) || ((((a11 == \old(a11) && a17 == \old(a17)) && a19 == \old(a19)) && a28 == \old(a28)) && a25 == \old(a25))) || ((((a17 <= \old(a17) && a28 <= 10) && a17 <= 7) && 10 <= a28) && !(1 == a25))) || ((((1 == a19 && a17 <= \old(a17)) && 8 <= a17) && a28 <= 10) && 9 <= a28)) || !(\old(a17) <= 8)) || ((((a17 <= \old(a17) && a28 <= 9) && !(1 == a19)) && 9 <= a28) && 1 == a25)) || ((((1 == a19 && a11 <= \old(a11)) && a17 <= \old(a17)) && 8 <= a17) && 1 == a25) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.9s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 15.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 639 SDtfs, 6039 SDslu, 535 SDs, 0 SdLazy, 9763 SolverSat, 1515 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1206 GetRequests, 1089 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4231occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 714 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 139 PreInvPairs, 193 NumberOfFragments, 713 HoareAnnotationTreeSize, 139 FomulaSimplifications, 29874 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8027 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2220 NumberOfCodeBlocks, 2220 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2204 ConstructedInterpolants, 0 QuantifiedInterpolants, 712612 SizeOfPredicates, 10 NumberOfNonLiveVariables, 2771 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 794/899 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...