/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:51:53,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:51:53,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:51:53,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 16:51:53,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 16:51:53,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 16:51:53,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 16:51:53,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 16:51:53,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 16:51:53,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 16:51:53,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 16:51:53,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 16:51:53,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 16:51:53,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 16:51:53,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 16:51:53,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 16:51:53,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 16:51:53,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 16:51:53,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 16:51:53,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 16:51:53,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 16:51:53,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 16:51:53,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 16:51:53,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 16:51:53,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 16:51:53,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 16:51:53,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 16:51:53,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 16:51:53,581 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-22 16:51:53,614 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:51:53,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:51:53,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:51:53,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:51:53,618 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:51:53,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:51:53,618 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:51:53,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:51:53,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:51:53,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:51:53,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:51:53,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:51:53,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:51:53,620 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:51:53,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:51:53,620 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:51:53,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:51:53,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:51:53,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:51:53,626 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:51:53,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:51:53,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:51:53,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:51:53,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:51:53,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:51:53,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:51:53,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:51:53,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:51:53,629 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:51:53,629 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:51:53,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:51:53,955 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:51:53,958 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:51:53,960 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:51:53,960 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:51:53,961 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label42.c [2020-08-22 16:51:54,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90f968d7f/cdbf4eb9ac12466185bf8bac936cb552/FLAGd98a01d38 [2020-08-22 16:51:54,591 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:51:54,591 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label42.c [2020-08-22 16:51:54,620 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90f968d7f/cdbf4eb9ac12466185bf8bac936cb552/FLAGd98a01d38 [2020-08-22 16:51:54,847 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90f968d7f/cdbf4eb9ac12466185bf8bac936cb552 [2020-08-22 16:51:54,856 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:51:54,858 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:51:54,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:51:54,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:51:54,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:51:54,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:51:54" (1/1) ... [2020-08-22 16:51:54,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@526bcaaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:51:54, skipping insertion in model container [2020-08-22 16:51:54,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:51:54" (1/1) ... [2020-08-22 16:51:54,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:51:54,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:51:55,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:51:55,324 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:51:55,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:51:55,544 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:51:55,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:51:55 WrapperNode [2020-08-22 16:51:55,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:51:55,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:51:55,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:51:55,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:51:55,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:51:55" (1/1) ... [2020-08-22 16:51:55,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:51:55" (1/1) ... [2020-08-22 16:51:55,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:51:55" (1/1) ... [2020-08-22 16:51:55,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:51:55" (1/1) ... [2020-08-22 16:51:55,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:51:55" (1/1) ... [2020-08-22 16:51:55,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:51:55" (1/1) ... [2020-08-22 16:51:55,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:51:55" (1/1) ... [2020-08-22 16:51:55,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:51:55,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:51:55,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:51:55,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:51:55,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:51:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:51:55,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:51:55,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:51:55,714 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-22 16:51:55,714 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:51:55,714 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-22 16:51:55,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:51:55,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 16:51:55,715 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-22 16:51:55,715 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:51:55,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:51:55,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:51:56,865 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:51:56,866 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 16:51:56,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:51:56 BoogieIcfgContainer [2020-08-22 16:51:56,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:51:56,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:51:56,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:51:56,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:51:56,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:51:54" (1/3) ... [2020-08-22 16:51:56,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65bbddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:51:56, skipping insertion in model container [2020-08-22 16:51:56,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:51:55" (2/3) ... [2020-08-22 16:51:56,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65bbddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:51:56, skipping insertion in model container [2020-08-22 16:51:56,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:51:56" (3/3) ... [2020-08-22 16:51:56,889 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label42.c [2020-08-22 16:51:56,898 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:51:56,906 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:51:56,920 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:51:56,945 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:51:56,945 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:51:56,945 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:51:56,945 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:51:56,946 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:51:56,946 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:51:56,946 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:51:56,946 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:51:56,969 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-22 16:51:56,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-08-22 16:51:56,982 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:51:56,983 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:51:56,983 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:51:56,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:51:56,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1304641474, now seen corresponding path program 1 times [2020-08-22 16:51:56,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:51:56,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618188026] [2020-08-22 16:51:56,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:51:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:57,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:51:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:57,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:51:57,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618188026] [2020-08-22 16:51:57,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:51:57,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 16:51:57,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474530640] [2020-08-22 16:51:57,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 16:51:57,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:51:57,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 16:51:57,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 16:51:57,574 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2020-08-22 16:51:59,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:51:59,169 INFO L93 Difference]: Finished difference Result 631 states and 1079 transitions. [2020-08-22 16:51:59,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 16:51:59,173 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 106 [2020-08-22 16:51:59,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:51:59,191 INFO L225 Difference]: With dead ends: 631 [2020-08-22 16:51:59,191 INFO L226 Difference]: Without dead ends: 331 [2020-08-22 16:51:59,199 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 [2020-08-22 16:51:59,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2020-08-22 16:51:59,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 323. [2020-08-22 16:51:59,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2020-08-22 16:51:59,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 475 transitions. [2020-08-22 16:51:59,279 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 475 transitions. Word has length 106 [2020-08-22 16:51:59,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:51:59,280 INFO L479 AbstractCegarLoop]: Abstraction has 323 states and 475 transitions. [2020-08-22 16:51:59,280 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 16:51:59,280 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 475 transitions. [2020-08-22 16:51:59,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-08-22 16:51:59,287 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:51:59,287 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:51:59,288 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:51:59,288 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:51:59,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:51:59,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1597305603, now seen corresponding path program 1 times [2020-08-22 16:51:59,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:51:59,289 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699646524] [2020-08-22 16:51:59,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:51:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:59,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:51:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:59,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:51:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:51:59,503 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:51:59,504 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699646524] [2020-08-22 16:51:59,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:51:59,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 16:51:59,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775369283] [2020-08-22 16:51:59,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:51:59,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:51:59,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:51:59,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:51:59,508 INFO L87 Difference]: Start difference. First operand 323 states and 475 transitions. Second operand 8 states. [2020-08-22 16:52:01,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:52:01,526 INFO L93 Difference]: Finished difference Result 1276 states and 1952 transitions. [2020-08-22 16:52:01,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 16:52:01,528 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 126 [2020-08-22 16:52:01,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:52:01,541 INFO L225 Difference]: With dead ends: 1276 [2020-08-22 16:52:01,541 INFO L226 Difference]: Without dead ends: 959 [2020-08-22 16:52:01,544 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-22 16:52:01,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2020-08-22 16:52:01,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 925. [2020-08-22 16:52:01,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 925 states. [2020-08-22 16:52:01,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1338 transitions. [2020-08-22 16:52:01,620 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1338 transitions. Word has length 126 [2020-08-22 16:52:01,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:52:01,621 INFO L479 AbstractCegarLoop]: Abstraction has 925 states and 1338 transitions. [2020-08-22 16:52:01,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:52:01,621 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1338 transitions. [2020-08-22 16:52:01,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-08-22 16:52:01,629 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:52:01,629 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:52:01,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 16:52:01,630 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:52:01,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:52:01,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1903522921, now seen corresponding path program 1 times [2020-08-22 16:52:01,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:52:01,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25738154] [2020-08-22 16:52:01,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:52:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:01,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:52:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:01,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:52:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:01,796 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:52:01,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25738154] [2020-08-22 16:52:01,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:52:01,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 16:52:01,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875513827] [2020-08-22 16:52:01,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:52:01,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:52:01,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:52:01,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:52:01,799 INFO L87 Difference]: Start difference. First operand 925 states and 1338 transitions. Second operand 8 states. [2020-08-22 16:52:03,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:52:03,923 INFO L93 Difference]: Finished difference Result 2931 states and 4471 transitions. [2020-08-22 16:52:03,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 16:52:03,923 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 127 [2020-08-22 16:52:03,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:52:03,936 INFO L225 Difference]: With dead ends: 2931 [2020-08-22 16:52:03,937 INFO L226 Difference]: Without dead ends: 2012 [2020-08-22 16:52:03,940 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-08-22 16:52:03,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2012 states. [2020-08-22 16:52:04,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2012 to 1835. [2020-08-22 16:52:04,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1835 states. [2020-08-22 16:52:04,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 2547 transitions. [2020-08-22 16:52:04,017 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 2547 transitions. Word has length 127 [2020-08-22 16:52:04,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:52:04,017 INFO L479 AbstractCegarLoop]: Abstraction has 1835 states and 2547 transitions. [2020-08-22 16:52:04,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:52:04,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2547 transitions. [2020-08-22 16:52:04,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-08-22 16:52:04,024 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:52:04,024 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:52:04,025 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 16:52:04,025 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:52:04,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:52:04,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1785081447, now seen corresponding path program 1 times [2020-08-22 16:52:04,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:52:04,026 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583584035] [2020-08-22 16:52:04,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:52:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:04,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:52:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:04,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:52:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:04,252 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:52:04,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583584035] [2020-08-22 16:52:04,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735110321] [2020-08-22 16:52:04,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:52:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:04,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 8 conjunts are in the unsatisfiable core [2020-08-22 16:52:04,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:52:04,582 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 16:52:04,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:52:04,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2020-08-22 16:52:04,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146214236] [2020-08-22 16:52:04,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 16:52:04,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:52:04,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 16:52:04,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:52:04,586 INFO L87 Difference]: Start difference. First operand 1835 states and 2547 transitions. Second operand 7 states. [2020-08-22 16:52:06,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:52:06,798 INFO L93 Difference]: Finished difference Result 7154 states and 10834 transitions. [2020-08-22 16:52:06,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 16:52:06,799 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 127 [2020-08-22 16:52:06,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:52:06,842 INFO L225 Difference]: With dead ends: 7154 [2020-08-22 16:52:06,843 INFO L226 Difference]: Without dead ends: 5325 [2020-08-22 16:52:06,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2020-08-22 16:52:06,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5325 states. [2020-08-22 16:52:07,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5325 to 4679. [2020-08-22 16:52:07,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4679 states. [2020-08-22 16:52:07,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4679 states to 4679 states and 6342 transitions. [2020-08-22 16:52:07,143 INFO L78 Accepts]: Start accepts. Automaton has 4679 states and 6342 transitions. Word has length 127 [2020-08-22 16:52:07,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:52:07,145 INFO L479 AbstractCegarLoop]: Abstraction has 4679 states and 6342 transitions. [2020-08-22 16:52:07,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 16:52:07,145 INFO L276 IsEmpty]: Start isEmpty. Operand 4679 states and 6342 transitions. [2020-08-22 16:52:07,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-08-22 16:52:07,161 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:52:07,161 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:52:07,374 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:52:07,374 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:52:07,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:52:07,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1308251263, now seen corresponding path program 1 times [2020-08-22 16:52:07,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:52:07,376 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815900962] [2020-08-22 16:52:07,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:52:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:07,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:52:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:07,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:52:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:07,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-22 16:52:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:07,608 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 16:52:07,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815900962] [2020-08-22 16:52:07,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030754406] [2020-08-22 16:52:07,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:52:07,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:07,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 11 conjunts are in the unsatisfiable core [2020-08-22 16:52:07,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:52:07,812 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-22 16:52:07,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:52:07,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 7 [2020-08-22 16:52:07,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984259493] [2020-08-22 16:52:07,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 16:52:07,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:52:07,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 16:52:07,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:52:07,817 INFO L87 Difference]: Start difference. First operand 4679 states and 6342 transitions. Second operand 5 states. [2020-08-22 16:52:08,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:52:08,678 INFO L93 Difference]: Finished difference Result 9459 states and 13456 transitions. [2020-08-22 16:52:08,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 16:52:08,679 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2020-08-22 16:52:08,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:52:08,706 INFO L225 Difference]: With dead ends: 9459 [2020-08-22 16:52:08,706 INFO L226 Difference]: Without dead ends: 4786 [2020-08-22 16:52:08,722 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:52:08,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4786 states. [2020-08-22 16:52:08,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4786 to 4272. [2020-08-22 16:52:08,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4272 states. [2020-08-22 16:52:08,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4272 states to 4272 states and 5313 transitions. [2020-08-22 16:52:08,876 INFO L78 Accepts]: Start accepts. Automaton has 4272 states and 5313 transitions. Word has length 157 [2020-08-22 16:52:08,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:52:08,876 INFO L479 AbstractCegarLoop]: Abstraction has 4272 states and 5313 transitions. [2020-08-22 16:52:08,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 16:52:08,877 INFO L276 IsEmpty]: Start isEmpty. Operand 4272 states and 5313 transitions. [2020-08-22 16:52:08,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-08-22 16:52:08,888 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:52:08,888 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:52:09,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:52:09,102 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:52:09,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:52:09,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1245673268, now seen corresponding path program 1 times [2020-08-22 16:52:09,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:52:09,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20916625] [2020-08-22 16:52:09,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:52:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:09,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:52:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:09,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:52:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:09,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 16:52:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:09,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-08-22 16:52:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:09,401 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 58 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-08-22 16:52:09,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20916625] [2020-08-22 16:52:09,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143680398] [2020-08-22 16:52:09,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:52:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:09,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:52:09,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:52:09,673 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-08-22 16:52:09,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:52:09,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2020-08-22 16:52:09,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505463065] [2020-08-22 16:52:09,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:52:09,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:52:09,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:52:09,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:52:09,678 INFO L87 Difference]: Start difference. First operand 4272 states and 5313 transitions. Second operand 3 states. [2020-08-22 16:52:10,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:52:10,450 INFO L93 Difference]: Finished difference Result 9546 states and 12020 transitions. [2020-08-22 16:52:10,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:52:10,450 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2020-08-22 16:52:10,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:52:10,476 INFO L225 Difference]: With dead ends: 9546 [2020-08-22 16:52:10,476 INFO L226 Difference]: Without dead ends: 5280 [2020-08-22 16:52:10,488 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:52:10,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5280 states. [2020-08-22 16:52:10,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5280 to 5134. [2020-08-22 16:52:10,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5134 states. [2020-08-22 16:52:10,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5134 states to 5134 states and 6152 transitions. [2020-08-22 16:52:10,630 INFO L78 Accepts]: Start accepts. Automaton has 5134 states and 6152 transitions. Word has length 169 [2020-08-22 16:52:10,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:52:10,630 INFO L479 AbstractCegarLoop]: Abstraction has 5134 states and 6152 transitions. [2020-08-22 16:52:10,631 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:52:10,631 INFO L276 IsEmpty]: Start isEmpty. Operand 5134 states and 6152 transitions. [2020-08-22 16:52:10,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-08-22 16:52:10,645 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:52:10,646 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:52:10,861 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:52:10,862 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:52:10,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:52:10,863 INFO L82 PathProgramCache]: Analyzing trace with hash -970420701, now seen corresponding path program 1 times [2020-08-22 16:52:10,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:52:10,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792698252] [2020-08-22 16:52:10,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:52:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:10,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:52:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:10,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:52:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:10,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 16:52:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:11,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 16:52:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:11,068 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 102 proven. 34 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-08-22 16:52:11,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792698252] [2020-08-22 16:52:11,069 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511803553] [2020-08-22 16:52:11,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:52:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:11,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:52:11,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:52:11,289 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-08-22 16:52:11,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:52:11,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-08-22 16:52:11,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147759958] [2020-08-22 16:52:11,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 16:52:11,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:52:11,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 16:52:11,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:52:11,294 INFO L87 Difference]: Start difference. First operand 5134 states and 6152 transitions. Second operand 10 states. [2020-08-22 16:52:12,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:52:12,816 INFO L93 Difference]: Finished difference Result 11005 states and 13233 transitions. [2020-08-22 16:52:12,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 16:52:12,817 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 207 [2020-08-22 16:52:12,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:52:12,842 INFO L225 Difference]: With dead ends: 11005 [2020-08-22 16:52:12,842 INFO L226 Difference]: Without dead ends: 5877 [2020-08-22 16:52:12,856 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-08-22 16:52:12,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5877 states. [2020-08-22 16:52:12,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5877 to 5579. [2020-08-22 16:52:12,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5579 states. [2020-08-22 16:52:13,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5579 states to 5579 states and 6475 transitions. [2020-08-22 16:52:13,006 INFO L78 Accepts]: Start accepts. Automaton has 5579 states and 6475 transitions. Word has length 207 [2020-08-22 16:52:13,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:52:13,006 INFO L479 AbstractCegarLoop]: Abstraction has 5579 states and 6475 transitions. [2020-08-22 16:52:13,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 16:52:13,007 INFO L276 IsEmpty]: Start isEmpty. Operand 5579 states and 6475 transitions. [2020-08-22 16:52:13,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-08-22 16:52:13,022 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:52:13,022 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:52:13,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:52:13,235 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:52:13,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:52:13,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1438127461, now seen corresponding path program 1 times [2020-08-22 16:52:13,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:52:13,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298293651] [2020-08-22 16:52:13,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:52:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:13,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:52:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:13,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:52:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:13,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 16:52:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:13,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-22 16:52:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:13,490 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 110 proven. 34 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-08-22 16:52:13,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298293651] [2020-08-22 16:52:13,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221034091] [2020-08-22 16:52:13,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:52:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:13,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:52:13,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:52:13,687 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 145 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-08-22 16:52:13,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:52:13,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-08-22 16:52:13,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402776425] [2020-08-22 16:52:13,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 16:52:13,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:52:13,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 16:52:13,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:52:13,690 INFO L87 Difference]: Start difference. First operand 5579 states and 6475 transitions. Second operand 10 states. [2020-08-22 16:52:17,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:52:17,500 INFO L93 Difference]: Finished difference Result 11298 states and 13033 transitions. [2020-08-22 16:52:17,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-22 16:52:17,503 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 211 [2020-08-22 16:52:17,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:52:17,504 INFO L225 Difference]: With dead ends: 11298 [2020-08-22 16:52:17,505 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 16:52:17,524 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=137, Invalid=463, Unknown=0, NotChecked=0, Total=600 [2020-08-22 16:52:17,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 16:52:17,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 16:52:17,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 16:52:17,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 16:52:17,525 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 211 [2020-08-22 16:52:17,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:52:17,526 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 16:52:17,526 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 16:52:17,526 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 16:52:17,526 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 16:52:17,741 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:52:17,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 16:52:18,361 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 130 [2020-08-22 16:52:18,540 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 130 [2020-08-22 16:52:20,134 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 181 DAG size of output: 69 [2020-08-22 16:52:20,942 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 62 [2020-08-22 16:52:21,731 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 62 [2020-08-22 16:52:21,735 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:52:21,735 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-08-22 16:52:21,735 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:52:21,736 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,736 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,736 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,736 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,736 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,737 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-22 16:52:21,737 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-22 16:52:21,737 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-22 16:52:21,737 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-22 16:52:21,737 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-22 16:52:21,737 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-22 16:52:21,737 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-22 16:52:21,737 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-22 16:52:21,738 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-22 16:52:21,738 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-22 16:52:21,738 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-22 16:52:21,738 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-22 16:52:21,738 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-22 16:52:21,738 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,738 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,739 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,739 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,739 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-22 16:52:21,739 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,739 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-22 16:52:21,739 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-22 16:52:21,739 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-22 16:52:21,739 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-22 16:52:21,739 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-22 16:52:21,740 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-22 16:52:21,740 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-22 16:52:21,740 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-22 16:52:21,740 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-22 16:52:21,740 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-22 16:52:21,740 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-22 16:52:21,740 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-22 16:52:21,740 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-22 16:52:21,740 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-22 16:52:21,741 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-22 16:52:21,741 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,741 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,741 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,741 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,741 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,741 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2020-08-22 16:52:21,742 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-22 16:52:21,742 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-22 16:52:21,742 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-22 16:52:21,742 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-22 16:52:21,742 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-22 16:52:21,742 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-22 16:52:21,742 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-22 16:52:21,742 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-22 16:52:21,742 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-22 16:52:21,743 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-22 16:52:21,743 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-22 16:52:21,743 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,743 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,743 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,743 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,743 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,743 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-22 16:52:21,744 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-22 16:52:21,744 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-22 16:52:21,744 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-22 16:52:21,744 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-22 16:52:21,744 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-22 16:52:21,744 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-22 16:52:21,744 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-22 16:52:21,744 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-22 16:52:21,744 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-22 16:52:21,744 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-22 16:52:21,744 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-22 16:52:21,744 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-22 16:52:21,745 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,745 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,745 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,745 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,745 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,745 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-22 16:52:21,745 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-22 16:52:21,745 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-22 16:52:21,745 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-22 16:52:21,746 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-22 16:52:21,746 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-22 16:52:21,746 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-22 16:52:21,746 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-22 16:52:21,746 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-22 16:52:21,746 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-22 16:52:21,746 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-22 16:52:21,746 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-22 16:52:21,747 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-22 16:52:21,747 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-22 16:52:21,747 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-22 16:52:21,747 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-22 16:52:21,747 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,747 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,747 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,747 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,747 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-22 16:52:21,748 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,748 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-22 16:52:21,748 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,748 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-22 16:52:21,748 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-22 16:52:21,748 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-22 16:52:21,748 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,748 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,748 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-22 16:52:21,748 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-22 16:52:21,749 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-22 16:52:21,749 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-22 16:52:21,749 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-22 16:52:21,749 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-22 16:52:21,749 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-22 16:52:21,749 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-22 16:52:21,749 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-22 16:52:21,749 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-22 16:52:21,749 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-22 16:52:21,749 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,749 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,749 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,750 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,750 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,750 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,750 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-22 16:52:21,750 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-22 16:52:21,750 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-22 16:52:21,750 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-22 16:52:21,750 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-22 16:52:21,750 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-22 16:52:21,750 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-22 16:52:21,750 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-22 16:52:21,750 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-22 16:52:21,750 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-22 16:52:21,750 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-22 16:52:21,751 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,751 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,751 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,751 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,751 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,751 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,751 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-22 16:52:21,751 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-22 16:52:21,751 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-22 16:52:21,751 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-22 16:52:21,751 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-22 16:52:21,751 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-22 16:52:21,751 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-22 16:52:21,751 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-22 16:52:21,752 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-22 16:52:21,752 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-22 16:52:21,752 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-22 16:52:21,752 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-22 16:52:21,752 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-22 16:52:21,752 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-22 16:52:21,752 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,752 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,752 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,753 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse20 (= ~a25~0 |old(~a25~0)|)) (.cse0 (= |old(~a19~0)| 1)) (.cse21 (= ~a28~0 |old(~a28~0)|)) (.cse9 (= ~a17~0 |old(~a17~0)|)) (.cse10 (= ~a11~0 |old(~a11~0)|)) (.cse13 (= ~a25~0 1)) (.cse15 (= ~a19~0 |old(~a19~0)|))) (let ((.cse11 (<= 9 ~a28~0)) (.cse12 (not (= ~a28~0 10))) (.cse14 (<= ~a28~0 10)) (.cse7 (not (= |old(~a25~0)| 1))) (.cse4 (not (<= |old(~a28~0)| 10))) (.cse17 (and .cse21 .cse9 .cse10 .cse13 .cse15)) (.cse6 (not (<= 9 |old(~a28~0)|))) (.cse2 (not (<= 8 |old(~a17~0)|))) (.cse8 (= 10 |old(~a28~0)|)) (.cse1 (not (<= |old(~a28~0)| 7))) (.cse18 (not .cse0)) (.cse3 (and .cse21 .cse9 .cse10 .cse20 .cse15)) (.cse5 (not (<= |old(~a25~0)| 0))) (.cse19 (not (<= |old(~a11~0)| 0))) (.cse16 (= |old(~a17~0)| |old(~a28~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 (not (<= |old(~a17~0)| 7)) .cse5 .cse6) (or .cse0 .cse7 .cse4 .cse8 (and .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) .cse16 .cse6) (or .cse7 .cse17 .cse18 .cse8 .cse19 .cse6) (or .cse7 .cse4 .cse17 .cse18 .cse2 .cse8) (or .cse0 .cse4 .cse2 .cse3 .cse8 .cse5) (or .cse4 (and .cse9 .cse10 .cse11 .cse12 .cse20 .cse14 .cse15) .cse8 .cse5 .cse6) (or .cse7 .cse17 .cse2 .cse18 .cse16) (or .cse7 .cse1 .cse17 .cse18) (or .cse4 .cse18 .cse3 .cse5 .cse16 .cse6) (or .cse7 .cse4 .cse17 .cse2 .cse16 .cse6) (or .cse0 .cse2 .cse3 .cse8 .cse5 .cse19) (or .cse1 .cse18 .cse3 .cse5 .cse19 .cse16)))) [2020-08-22 16:52:21,753 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,753 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,753 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,753 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-22 16:52:21,753 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-22 16:52:21,753 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-22 16:52:21,753 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-22 16:52:21,753 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-22 16:52:21,753 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-22 16:52:21,753 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-22 16:52:21,753 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-22 16:52:21,753 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-22 16:52:21,754 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-22 16:52:21,754 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-22 16:52:21,754 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-22 16:52:21,754 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-22 16:52:21,754 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,754 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,754 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,754 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,754 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,754 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,754 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-22 16:52:21,754 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-22 16:52:21,754 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-22 16:52:21,754 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-22 16:52:21,754 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-22 16:52:21,755 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-22 16:52:21,755 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-22 16:52:21,755 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-22 16:52:21,755 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-22 16:52:21,755 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-22 16:52:21,755 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-22 16:52:21,755 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-22 16:52:21,755 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-22 16:52:21,755 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-22 16:52:21,755 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-22 16:52:21,756 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-22 16:52:21,756 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,756 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,756 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,756 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,756 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:21,756 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-22 16:52:21,756 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-22 16:52:21,757 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-22 16:52:21,757 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-22 16:52:21,757 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-22 16:52:21,757 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-22 16:52:21,757 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-22 16:52:21,757 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-22 16:52:21,757 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-22 16:52:21,757 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-22 16:52:21,758 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-22 16:52:21,758 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-22 16:52:21,758 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-22 16:52:21,758 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-22 16:52:21,758 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-22 16:52:21,758 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-22 16:52:21,758 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-22 16:52:21,758 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-22 16:52:21,759 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-22 16:52:21,759 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:52:21,759 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a28~0 ~a17~0)) (<= ~a11~0 0) (= ~a19~0 1) (<= ~a28~0 7) (<= ~a25~0 0)) [2020-08-22 16:52:21,759 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 16:52:21,759 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:52:21,759 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a25~0)| 0)) (not (<= |old(~a11~0)| 0)) (= |old(~a17~0)| |old(~a28~0)|)) [2020-08-22 16:52:21,760 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (= ~a19~0 1))) (let ((.cse0 (<= ~a11~0 0)) (.cse12 (not (= ~a28~0 ~a17~0))) (.cse2 (<= 8 ~a17~0)) (.cse9 (not .cse5)) (.cse11 (<= ~a17~0 7)) (.cse7 (= ~a25~0 1)) (.cse3 (<= ~a28~0 7)) (.cse10 (<= 9 ~a28~0)) (.cse1 (<= ~a17~0 |old(~a17~0)|)) (.cse6 (not (= ~a28~0 10))) (.cse4 (<= ~a25~0 0)) (.cse8 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse2 .cse7 .cse8) (not (= |old(~a19~0)| 1)) (not (<= |old(~a25~0)| 0)) (and .cse1 .cse2 .cse9 .cse3) (and .cse10 .cse1 .cse6 .cse9 .cse7 .cse11 .cse8) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse10 .cse5 .cse1 .cse6 .cse7) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (and .cse0 .cse6 .cse1 .cse2 .cse9 .cse4) (and .cse12 .cse10 .cse5 .cse1 .cse4 .cse8) (and .cse12 .cse10 .cse1 .cse2 .cse7 .cse8) (and .cse12 .cse5 .cse1 .cse2 .cse7) (and .cse1 .cse6 .cse2 .cse9 .cse4 .cse8) (and .cse10 .cse1 .cse4 .cse11 .cse8) (and .cse5 .cse1 .cse7 .cse3) (not (<= |old(~a11~0)| 0)) (= |old(~a17~0)| |old(~a28~0)|) (and .cse10 .cse1 .cse6 .cse4 .cse8)))) [2020-08-22 16:52:21,760 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-22 16:52:21,760 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-22 16:52:21,760 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse5 (= ~a19~0 1))) (let ((.cse0 (<= ~a11~0 0)) (.cse12 (not (= ~a28~0 ~a17~0))) (.cse2 (<= 8 ~a17~0)) (.cse9 (not .cse5)) (.cse11 (<= ~a17~0 7)) (.cse7 (= ~a25~0 1)) (.cse3 (<= ~a28~0 7)) (.cse10 (<= 9 ~a28~0)) (.cse1 (<= ~a17~0 |old(~a17~0)|)) (.cse6 (not (= ~a28~0 10))) (.cse4 (<= ~a25~0 0)) (.cse8 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse2 .cse7 .cse8) (not (= |old(~a19~0)| 1)) (not (<= |old(~a25~0)| 0)) (and .cse1 .cse2 .cse9 .cse3) (and .cse10 .cse1 .cse6 .cse9 .cse7 .cse11 .cse8) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse10 .cse5 .cse1 .cse6 .cse7) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (and .cse0 .cse6 .cse1 .cse2 .cse9 .cse4) (and .cse12 .cse10 .cse5 .cse1 .cse4 .cse8) (and .cse12 .cse10 .cse1 .cse2 .cse7 .cse8) (and .cse12 .cse5 .cse1 .cse2 .cse7) (and .cse1 .cse6 .cse2 .cse9 .cse4 .cse8) (and .cse10 .cse1 .cse4 .cse11 .cse8) (and .cse5 .cse1 .cse7 .cse3) (not (<= |old(~a11~0)| 0)) (= |old(~a17~0)| |old(~a28~0)|) (and .cse10 .cse1 .cse6 .cse4 .cse8)))) [2020-08-22 16:52:21,760 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-22 16:52:21,760 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-22 16:52:21,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:52:21 BoogieIcfgContainer [2020-08-22 16:52:21,791 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:52:21,796 INFO L168 Benchmark]: Toolchain (without parser) took 26938.06 ms. Allocated memory was 141.0 MB in the beginning and 595.1 MB in the end (delta: 454.0 MB). Free memory was 102.9 MB in the beginning and 247.5 MB in the end (delta: -144.6 MB). Peak memory consumption was 476.3 MB. Max. memory is 7.1 GB. [2020-08-22 16:52:21,797 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 16:52:21,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.91 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 102.7 MB in the beginning and 172.1 MB in the end (delta: -69.4 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2020-08-22 16:52:21,798 INFO L168 Benchmark]: Boogie Preprocessor took 111.30 ms. Allocated memory is still 205.0 MB. Free memory was 172.1 MB in the beginning and 167.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-08-22 16:52:21,804 INFO L168 Benchmark]: RCFGBuilder took 1220.65 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 167.3 MB in the beginning and 179.2 MB in the end (delta: -11.9 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2020-08-22 16:52:21,805 INFO L168 Benchmark]: TraceAbstraction took 24913.73 ms. Allocated memory was 237.0 MB in the beginning and 595.1 MB in the end (delta: 358.1 MB). Free memory was 177.8 MB in the beginning and 247.5 MB in the end (delta: -69.7 MB). Peak memory consumption was 455.2 MB. Max. memory is 7.1 GB. [2020-08-22 16:52:21,812 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 685.91 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 102.7 MB in the beginning and 172.1 MB in the end (delta: -69.4 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.30 ms. Allocated memory is still 205.0 MB. Free memory was 172.1 MB in the beginning and 167.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1220.65 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 167.3 MB in the beginning and 179.2 MB in the end (delta: -11.9 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24913.73 ms. Allocated memory was 237.0 MB in the beginning and 595.1 MB in the end (delta: 358.1 MB). Free memory was 177.8 MB in the beginning and 247.5 MB in the end (delta: -69.7 MB). Peak memory consumption was 455.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 472]: 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: (((((((((((((((((((((a11 <= 0 && a17 <= \old(a17)) && 8 <= a17) && a28 <= 7) && a25 <= 0) || (((((a19 == 1 && a17 <= \old(a17)) && !(a28 == 10)) && 8 <= a17) && a25 == 1) && a28 <= 10)) || !(\old(a19) == 1)) || !(\old(a25) <= 0)) || (((a17 <= \old(a17) && 8 <= a17) && !(a19 == 1)) && a28 <= 7)) || ((((((9 <= a28 && a17 <= \old(a17)) && !(a28 == 10)) && !(a19 == 1)) && a25 == 1) && a17 <= 7) && a28 <= 10)) || !(\old(a28) <= 7)) || (((((a11 <= 0 && 9 <= a28) && a19 == 1) && a17 <= \old(a17)) && !(a28 == 10)) && a25 == 1)) || ((((a28 == \old(a28) && a17 == \old(a17)) && a11 == \old(a11)) && a25 == \old(a25)) && a19 == \old(a19))) || (((((a11 <= 0 && !(a28 == 10)) && a17 <= \old(a17)) && 8 <= a17) && !(a19 == 1)) && a25 <= 0)) || (((((!(a28 == a17) && 9 <= a28) && a19 == 1) && a17 <= \old(a17)) && a25 <= 0) && a28 <= 10)) || (((((!(a28 == a17) && 9 <= a28) && a17 <= \old(a17)) && 8 <= a17) && a25 == 1) && a28 <= 10)) || ((((!(a28 == a17) && a19 == 1) && a17 <= \old(a17)) && 8 <= a17) && a25 == 1)) || (((((a17 <= \old(a17) && !(a28 == 10)) && 8 <= a17) && !(a19 == 1)) && a25 <= 0) && a28 <= 10)) || ((((9 <= a28 && a17 <= \old(a17)) && a25 <= 0) && a17 <= 7) && a28 <= 10)) || (((a19 == 1 && a17 <= \old(a17)) && a25 == 1) && a28 <= 7)) || !(\old(a11) <= 0)) || \old(a17) == \old(a28)) || ((((9 <= a28 && a17 <= \old(a17)) && !(a28 == 10)) && a25 <= 0) && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.8s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 15.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 526 SDtfs, 5145 SDslu, 582 SDs, 0 SdLazy, 9598 SolverSat, 1622 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1018 GetRequests, 925 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5579occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 8 MinimizatonAttempts, 1823 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 195 PreInvPairs, 271 NumberOfFragments, 1113 HoareAnnotationTreeSize, 195 FomulaSimplifications, 72001 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5493 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2101 NumberOfCodeBlocks, 2101 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2088 ConstructedInterpolants, 0 QuantifiedInterpolants, 705671 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2215 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 845/943 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...