/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 01:28:56,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 01:28:56,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 01:28:56,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-21 01:28:56,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 01:28:56,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 01:28:56,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 01:28:56,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 01:28:56,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 01:28:56,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 01:28:56,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 01:28:56,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 01:28:56,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 01:28:56,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 01:28:56,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 01:28:56,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 01:28:56,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 01:28:56,269 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 01:28:56,292 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 01:28:56,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 01:28:56,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 01:28:56,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 01:28:56,295 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 01:28:56,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 01:28:56,296 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 01:28:56,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 01:28:56,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 01:28:56,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 01:28:56,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 01:28:56,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 01:28:56,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 01:28:56,298 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 01:28:56,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 01:28:56,299 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 01:28:56,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 01:28:56,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 01:28:56,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 01:28:56,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 01:28:56,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 01:28:56,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 01:28:56,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 01:28:56,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 01:28:56,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 01:28:56,301 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 01:28:56,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:28:56,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 01:28:56,301 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 01:28:56,302 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-21 01:28:56,641 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 01:28:56,662 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 01:28:56,665 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 01:28:56,667 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 01:28:56,667 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 01:28:56,668 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label38.c [2020-07-21 01:28:56,743 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c4b2bd98/cd5eb2e2ac1b4091b99cd9aed6d11956/FLAGae40b66d1 [2020-07-21 01:28:57,283 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 01:28:57,284 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label38.c [2020-07-21 01:28:57,299 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c4b2bd98/cd5eb2e2ac1b4091b99cd9aed6d11956/FLAGae40b66d1 [2020-07-21 01:28:57,573 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c4b2bd98/cd5eb2e2ac1b4091b99cd9aed6d11956 [2020-07-21 01:28:57,582 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 01:28:57,585 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 01:28:57,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 01:28:57,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 01:28:57,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 01:28:57,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:28:57" (1/1) ... [2020-07-21 01:28:57,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@775218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:28:57, skipping insertion in model container [2020-07-21 01:28:57,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:28:57" (1/1) ... [2020-07-21 01:28:57,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 01:28:57,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 01:28:58,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 01:28:58,026 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 01:28:58,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 01:28:58,242 INFO L208 MainTranslator]: Completed translation [2020-07-21 01:28:58,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:28:58 WrapperNode [2020-07-21 01:28:58,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 01:28:58,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 01:28:58,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 01:28:58,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 01:28:58,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:28:58" (1/1) ... [2020-07-21 01:28:58,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:28:58" (1/1) ... [2020-07-21 01:28:58,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:28:58" (1/1) ... [2020-07-21 01:28:58,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:28:58" (1/1) ... [2020-07-21 01:28:58,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:28:58" (1/1) ... [2020-07-21 01:28:58,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:28:58" (1/1) ... [2020-07-21 01:28:58,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:28:58" (1/1) ... [2020-07-21 01:28:58,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 01:28:58,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 01:28:58,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 01:28:58,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 01:28:58,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:28:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 01:28:58,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 01:28:58,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 01:28:58,417 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 01:28:58,417 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 01:28:58,417 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 01:28:58,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 01:28:58,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 01:28:58,418 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 01:28:58,418 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 01:28:58,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 01:28:58,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 01:28:59,646 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 01:28:59,646 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 01:28:59,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:28:59 BoogieIcfgContainer [2020-07-21 01:28:59,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 01:28:59,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 01:28:59,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 01:28:59,658 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 01:28:59,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:28:57" (1/3) ... [2020-07-21 01:28:59,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38bc860a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:28:59, skipping insertion in model container [2020-07-21 01:28:59,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:28:58" (2/3) ... [2020-07-21 01:28:59,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38bc860a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:28:59, skipping insertion in model container [2020-07-21 01:28:59,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:28:59" (3/3) ... [2020-07-21 01:28:59,662 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label38.c [2020-07-21 01:28:59,674 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 01:28:59,683 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 01:28:59,698 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 01:28:59,724 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 01:28:59,725 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 01:28:59,725 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 01:28:59,725 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 01:28:59,725 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 01:28:59,726 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 01:28:59,726 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 01:28:59,726 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 01:28:59,749 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-21 01:28:59,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-21 01:28:59,757 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:28:59,758 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:28:59,758 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:28:59,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:28:59,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1813043417, now seen corresponding path program 1 times [2020-07-21 01:28:59,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:28:59,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [994862556] [2020-07-21 01:28:59,775 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:28:59,881 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:28:59,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:28:59,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 01:28:59,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:28:59,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:28:59,955 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:28:59,956 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [994862556] [2020-07-21 01:28:59,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:28:59,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:28:59,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18892984] [2020-07-21 01:28:59,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:28:59,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:28:59,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:28:59,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:28:59,984 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2020-07-21 01:29:01,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:29:01,049 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2020-07-21 01:29:01,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:29:01,051 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2020-07-21 01:29:01,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:29:01,067 INFO L225 Difference]: With dead ends: 571 [2020-07-21 01:29:01,068 INFO L226 Difference]: Without dead ends: 294 [2020-07-21 01:29:01,074 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:29:01,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-07-21 01:29:01,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2020-07-21 01:29:01,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-07-21 01:29:01,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 391 transitions. [2020-07-21 01:29:01,144 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 391 transitions. Word has length 38 [2020-07-21 01:29:01,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:29:01,145 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 391 transitions. [2020-07-21 01:29:01,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:29:01,146 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 391 transitions. [2020-07-21 01:29:01,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-21 01:29:01,151 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:29:01,151 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:29:01,372 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:29:01,372 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:29:01,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:29:01,374 INFO L82 PathProgramCache]: Analyzing trace with hash 837165418, now seen corresponding path program 1 times [2020-07-21 01:29:01,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:29:01,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [787050056] [2020-07-21 01:29:01,375 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:29:01,466 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:29:01,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:29:01,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:29:01,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:29:01,501 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:29:01,501 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:29:01,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [787050056] [2020-07-21 01:29:01,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:29:01,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:29:01,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524317595] [2020-07-21 01:29:01,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:29:01,504 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:29:01,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:29:01,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:29:01,505 INFO L87 Difference]: Start difference. First operand 294 states and 391 transitions. Second operand 3 states. [2020-07-21 01:29:02,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:29:02,157 INFO L93 Difference]: Finished difference Result 725 states and 1001 transitions. [2020-07-21 01:29:02,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:29:02,158 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-07-21 01:29:02,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:29:02,170 INFO L225 Difference]: With dead ends: 725 [2020-07-21 01:29:02,171 INFO L226 Difference]: Without dead ends: 437 [2020-07-21 01:29:02,173 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:29:02,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2020-07-21 01:29:02,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2020-07-21 01:29:02,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2020-07-21 01:29:02,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 593 transitions. [2020-07-21 01:29:02,231 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 593 transitions. Word has length 108 [2020-07-21 01:29:02,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:29:02,233 INFO L479 AbstractCegarLoop]: Abstraction has 437 states and 593 transitions. [2020-07-21 01:29:02,233 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:29:02,233 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 593 transitions. [2020-07-21 01:29:02,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-07-21 01:29:02,237 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:29:02,238 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:29:02,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:29:02,439 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:29:02,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:29:02,440 INFO L82 PathProgramCache]: Analyzing trace with hash 434766281, now seen corresponding path program 1 times [2020-07-21 01:29:02,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:29:02,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1659782421] [2020-07-21 01:29:02,443 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:29:02,522 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 01:29:02,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:29:02,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 01:29:02,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:29:02,603 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:29:02,603 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:29:02,603 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1659782421] [2020-07-21 01:29:02,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:29:02,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 01:29:02,604 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752104997] [2020-07-21 01:29:02,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 01:29:02,605 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:29:02,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 01:29:02,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 01:29:02,606 INFO L87 Difference]: Start difference. First operand 437 states and 593 transitions. Second operand 5 states. [2020-07-21 01:29:03,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:29:03,590 INFO L93 Difference]: Finished difference Result 1027 states and 1372 transitions. [2020-07-21 01:29:03,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 01:29:03,591 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 115 [2020-07-21 01:29:03,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:29:03,595 INFO L225 Difference]: With dead ends: 1027 [2020-07-21 01:29:03,596 INFO L226 Difference]: Without dead ends: 596 [2020-07-21 01:29:03,597 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:29:03,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2020-07-21 01:29:03,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 590. [2020-07-21 01:29:03,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-07-21 01:29:03,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 764 transitions. [2020-07-21 01:29:03,621 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 764 transitions. Word has length 115 [2020-07-21 01:29:03,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:29:03,622 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 764 transitions. [2020-07-21 01:29:03,622 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 01:29:03,622 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 764 transitions. [2020-07-21 01:29:03,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-21 01:29:03,625 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:29:03,625 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:29:03,838 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:29:03,839 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:29:03,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:29:03,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1165296197, now seen corresponding path program 1 times [2020-07-21 01:29:03,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:29:03,841 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2025879471] [2020-07-21 01:29:03,841 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:29:03,945 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 01:29:03,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:29:03,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 01:29:03,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:29:04,036 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:29:04,037 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:29:04,038 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2025879471] [2020-07-21 01:29:04,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:29:04,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 01:29:04,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420938008] [2020-07-21 01:29:04,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 01:29:04,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:29:04,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 01:29:04,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 01:29:04,041 INFO L87 Difference]: Start difference. First operand 590 states and 764 transitions. Second operand 5 states. [2020-07-21 01:29:05,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:29:05,098 INFO L93 Difference]: Finished difference Result 1351 states and 1835 transitions. [2020-07-21 01:29:05,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 01:29:05,099 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2020-07-21 01:29:05,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:29:05,110 INFO L225 Difference]: With dead ends: 1351 [2020-07-21 01:29:05,110 INFO L226 Difference]: Without dead ends: 910 [2020-07-21 01:29:05,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-21 01:29:05,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2020-07-21 01:29:05,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 894. [2020-07-21 01:29:05,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-07-21 01:29:05,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1093 transitions. [2020-07-21 01:29:05,156 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1093 transitions. Word has length 133 [2020-07-21 01:29:05,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:29:05,158 INFO L479 AbstractCegarLoop]: Abstraction has 894 states and 1093 transitions. [2020-07-21 01:29:05,158 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 01:29:05,158 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1093 transitions. [2020-07-21 01:29:05,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-07-21 01:29:05,162 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:29:05,162 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:29:05,376 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:29:05,377 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:29:05,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:29:05,377 INFO L82 PathProgramCache]: Analyzing trace with hash -524180378, now seen corresponding path program 1 times [2020-07-21 01:29:05,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:29:05,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1544555194] [2020-07-21 01:29:05,378 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:29:05,483 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:29:05,484 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:29:05,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:29:05,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:29:05,521 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-07-21 01:29:05,521 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:29:05,522 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1544555194] [2020-07-21 01:29:05,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:29:05,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:29:05,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150331906] [2020-07-21 01:29:05,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:29:05,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:29:05,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:29:05,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:29:05,524 INFO L87 Difference]: Start difference. First operand 894 states and 1093 transitions. Second operand 3 states. [2020-07-21 01:29:06,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:29:06,288 INFO L93 Difference]: Finished difference Result 1786 states and 2246 transitions. [2020-07-21 01:29:06,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:29:06,291 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2020-07-21 01:29:06,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:29:06,303 INFO L225 Difference]: With dead ends: 1786 [2020-07-21 01:29:06,303 INFO L226 Difference]: Without dead ends: 1041 [2020-07-21 01:29:06,306 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:29:06,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2020-07-21 01:29:06,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 1041. [2020-07-21 01:29:06,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1041 states. [2020-07-21 01:29:06,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1294 transitions. [2020-07-21 01:29:06,348 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1294 transitions. Word has length 185 [2020-07-21 01:29:06,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:29:06,349 INFO L479 AbstractCegarLoop]: Abstraction has 1041 states and 1294 transitions. [2020-07-21 01:29:06,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:29:06,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1294 transitions. [2020-07-21 01:29:06,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-07-21 01:29:06,357 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:29:06,358 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:29:06,573 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:29:06,574 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:29:06,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:29:06,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1837442610, now seen corresponding path program 1 times [2020-07-21 01:29:06,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:29:06,576 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1461107722] [2020-07-21 01:29:06,576 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:29:06,704 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:29:06,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:29:06,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 01:29:06,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:29:06,789 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-07-21 01:29:06,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:29:07,017 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-07-21 01:29:07,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1461107722] [2020-07-21 01:29:07,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 01:29:07,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2020-07-21 01:29:07,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620000866] [2020-07-21 01:29:07,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 01:29:07,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:29:07,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 01:29:07,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-21 01:29:07,022 INFO L87 Difference]: Start difference. First operand 1041 states and 1294 transitions. Second operand 4 states. [2020-07-21 01:29:07,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:29:07,741 INFO L93 Difference]: Finished difference Result 1625 states and 2051 transitions. [2020-07-21 01:29:07,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 01:29:07,746 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 195 [2020-07-21 01:29:07,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:29:07,754 INFO L225 Difference]: With dead ends: 1625 [2020-07-21 01:29:07,754 INFO L226 Difference]: Without dead ends: 1623 [2020-07-21 01:29:07,755 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-21 01:29:07,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2020-07-21 01:29:07,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 1335. [2020-07-21 01:29:07,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1335 states. [2020-07-21 01:29:07,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1692 transitions. [2020-07-21 01:29:07,798 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1692 transitions. Word has length 195 [2020-07-21 01:29:07,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:29:07,798 INFO L479 AbstractCegarLoop]: Abstraction has 1335 states and 1692 transitions. [2020-07-21 01:29:07,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 01:29:07,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1692 transitions. [2020-07-21 01:29:07,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-07-21 01:29:07,805 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:29:07,805 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:29:08,018 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:29:08,019 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:29:08,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:29:08,019 INFO L82 PathProgramCache]: Analyzing trace with hash 978437959, now seen corresponding path program 1 times [2020-07-21 01:29:08,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:29:08,020 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [368525223] [2020-07-21 01:29:08,020 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:29:08,132 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 01:29:08,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:29:08,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:29:08,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:29:08,244 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 271 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-07-21 01:29:08,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:29:08,404 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 165 proven. 72 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-07-21 01:29:08,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [368525223] [2020-07-21 01:29:08,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:29:08,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:29:08,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329404493] [2020-07-21 01:29:08,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:29:08,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:29:08,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:29:08,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:29:08,408 INFO L87 Difference]: Start difference. First operand 1335 states and 1692 transitions. Second operand 7 states. [2020-07-21 01:29:09,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:29:09,988 INFO L93 Difference]: Finished difference Result 3550 states and 4584 transitions. [2020-07-21 01:29:09,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 01:29:09,989 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 305 [2020-07-21 01:29:09,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:29:10,000 INFO L225 Difference]: With dead ends: 3550 [2020-07-21 01:29:10,000 INFO L226 Difference]: Without dead ends: 2364 [2020-07-21 01:29:10,004 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 613 GetRequests, 605 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-21 01:29:10,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2364 states. [2020-07-21 01:29:10,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2364 to 2062. [2020-07-21 01:29:10,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2062 states. [2020-07-21 01:29:10,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 2062 states and 2493 transitions. [2020-07-21 01:29:10,060 INFO L78 Accepts]: Start accepts. Automaton has 2062 states and 2493 transitions. Word has length 305 [2020-07-21 01:29:10,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:29:10,060 INFO L479 AbstractCegarLoop]: Abstraction has 2062 states and 2493 transitions. [2020-07-21 01:29:10,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:29:10,060 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2493 transitions. [2020-07-21 01:29:10,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-07-21 01:29:10,068 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:29:10,068 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:29:10,283 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:29:10,284 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:29:10,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:29:10,284 INFO L82 PathProgramCache]: Analyzing trace with hash 909307948, now seen corresponding path program 1 times [2020-07-21 01:29:10,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:29:10,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1273448667] [2020-07-21 01:29:10,285 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:29:10,388 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 01:29:10,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:29:10,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:29:10,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:29:10,478 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 282 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-07-21 01:29:10,479 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:29:10,643 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 167 proven. 72 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-07-21 01:29:10,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1273448667] [2020-07-21 01:29:10,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:29:10,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 01:29:10,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899601833] [2020-07-21 01:29:10,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 01:29:10,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:29:10,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 01:29:10,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 01:29:10,646 INFO L87 Difference]: Start difference. First operand 2062 states and 2493 transitions. Second operand 6 states. [2020-07-21 01:29:11,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:29:11,849 INFO L93 Difference]: Finished difference Result 4887 states and 6004 transitions. [2020-07-21 01:29:11,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 01:29:11,850 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 314 [2020-07-21 01:29:11,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:29:11,864 INFO L225 Difference]: With dead ends: 4887 [2020-07-21 01:29:11,864 INFO L226 Difference]: Without dead ends: 1943 [2020-07-21 01:29:11,877 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 633 GetRequests, 624 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 01:29:11,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1943 states. [2020-07-21 01:29:11,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1943 to 1913. [2020-07-21 01:29:11,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1913 states. [2020-07-21 01:29:11,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1913 states and 2213 transitions. [2020-07-21 01:29:11,963 INFO L78 Accepts]: Start accepts. Automaton has 1913 states and 2213 transitions. Word has length 314 [2020-07-21 01:29:11,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:29:11,963 INFO L479 AbstractCegarLoop]: Abstraction has 1913 states and 2213 transitions. [2020-07-21 01:29:11,964 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 01:29:11,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 2213 transitions. [2020-07-21 01:29:11,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2020-07-21 01:29:11,981 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:29:11,982 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 01:29:12,196 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:29:12,197 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:29:12,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:29:12,198 INFO L82 PathProgramCache]: Analyzing trace with hash -880389580, now seen corresponding path program 1 times [2020-07-21 01:29:12,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:29:12,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1459388493] [2020-07-21 01:29:12,199 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:29:12,392 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:29:12,392 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:29:12,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:29:12,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:29:12,506 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 281 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-07-21 01:29:12,506 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:29:12,878 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 281 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-07-21 01:29:12,878 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1459388493] [2020-07-21 01:29:12,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:29:12,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 01:29:12,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096330295] [2020-07-21 01:29:12,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 01:29:12,881 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:29:12,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 01:29:12,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 01:29:12,884 INFO L87 Difference]: Start difference. First operand 1913 states and 2213 transitions. Second operand 6 states. [2020-07-21 01:29:13,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:29:13,986 INFO L93 Difference]: Finished difference Result 4849 states and 5752 transitions. [2020-07-21 01:29:13,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 01:29:13,987 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 350 [2020-07-21 01:29:13,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:29:14,000 INFO L225 Difference]: With dead ends: 4849 [2020-07-21 01:29:14,001 INFO L226 Difference]: Without dead ends: 3085 [2020-07-21 01:29:14,006 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 705 GetRequests, 697 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 01:29:14,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3085 states. [2020-07-21 01:29:14,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3085 to 2940. [2020-07-21 01:29:14,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2940 states. [2020-07-21 01:29:14,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 2940 states and 3394 transitions. [2020-07-21 01:29:14,077 INFO L78 Accepts]: Start accepts. Automaton has 2940 states and 3394 transitions. Word has length 350 [2020-07-21 01:29:14,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:29:14,078 INFO L479 AbstractCegarLoop]: Abstraction has 2940 states and 3394 transitions. [2020-07-21 01:29:14,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 01:29:14,079 INFO L276 IsEmpty]: Start isEmpty. Operand 2940 states and 3394 transitions. [2020-07-21 01:29:14,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2020-07-21 01:29:14,088 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:29:14,089 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:29:14,301 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:29:14,302 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:29:14,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:29:14,303 INFO L82 PathProgramCache]: Analyzing trace with hash -932458931, now seen corresponding path program 1 times [2020-07-21 01:29:14,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:29:14,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1365176301] [2020-07-21 01:29:14,304 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:29:14,502 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:29:14,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:29:14,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:29:14,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:29:14,642 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-07-21 01:29:14,642 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:29:14,643 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1365176301] [2020-07-21 01:29:14,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:29:14,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:29:14,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144583023] [2020-07-21 01:29:14,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:29:14,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:29:14,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:29:14,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:29:14,645 INFO L87 Difference]: Start difference. First operand 2940 states and 3394 transitions. Second operand 3 states. [2020-07-21 01:29:15,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:29:15,179 INFO L93 Difference]: Finished difference Result 2940 states and 3394 transitions. [2020-07-21 01:29:15,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:29:15,180 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 363 [2020-07-21 01:29:15,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:29:15,180 INFO L225 Difference]: With dead ends: 2940 [2020-07-21 01:29:15,181 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 01:29:15,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:29:15,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 01:29:15,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 01:29:15,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 01:29:15,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 01:29:15,187 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 363 [2020-07-21 01:29:15,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:29:15,187 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 01:29:15,187 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:29:15,188 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 01:29:15,188 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 01:29:15,400 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:29:15,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 01:29:16,578 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 47 [2020-07-21 01:29:16,775 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 37 [2020-07-21 01:29:16,948 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 37 [2020-07-21 01:29:16,952 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 01:29:16,952 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (or (< 7 ~a19~0) (< |old(~a19~0)| 8)) (<= |old(~a10~0)| ~a10~0) (<= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)) [2020-07-21 01:29:16,953 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 01:29:16,953 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-21 01:29:16,953 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,953 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,953 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,953 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,954 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,954 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,954 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-21 01:29:16,954 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-21 01:29:16,954 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-21 01:29:16,954 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-21 01:29:16,954 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-21 01:29:16,954 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-21 01:29:16,955 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-21 01:29:16,955 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-21 01:29:16,955 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-21 01:29:16,955 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-21 01:29:16,955 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-21 01:29:16,955 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,955 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,956 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,956 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,956 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,956 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-21 01:29:16,956 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-21 01:29:16,956 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-21 01:29:16,956 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-21 01:29:16,956 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-21 01:29:16,956 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-21 01:29:16,956 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-21 01:29:16,956 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-21 01:29:16,957 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-21 01:29:16,957 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-21 01:29:16,957 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-21 01:29:16,957 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-21 01:29:16,957 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-21 01:29:16,957 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 100) no Hoare annotation was computed. [2020-07-21 01:29:16,957 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-21 01:29:16,957 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,957 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,957 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,958 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,958 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,958 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-21 01:29:16,958 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-21 01:29:16,958 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-21 01:29:16,958 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-21 01:29:16,958 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-21 01:29:16,958 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-21 01:29:16,958 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-21 01:29:16,958 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-21 01:29:16,958 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-21 01:29:16,958 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-21 01:29:16,959 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,959 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,959 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,959 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,959 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,959 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-21 01:29:16,959 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-21 01:29:16,959 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-21 01:29:16,959 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-21 01:29:16,959 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-21 01:29:16,960 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-21 01:29:16,960 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-21 01:29:16,960 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-21 01:29:16,960 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-21 01:29:16,960 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-21 01:29:16,960 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-21 01:29:16,960 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-21 01:29:16,960 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-21 01:29:16,960 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,960 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,960 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,961 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,961 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,961 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-21 01:29:16,961 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-21 01:29:16,961 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-21 01:29:16,961 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-21 01:29:16,961 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-21 01:29:16,961 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-21 01:29:16,961 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-21 01:29:16,961 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-21 01:29:16,961 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-21 01:29:16,961 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,962 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,962 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,962 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,962 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,962 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,962 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,962 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-21 01:29:16,962 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-21 01:29:16,962 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-21 01:29:16,962 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-21 01:29:16,962 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-21 01:29:16,962 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-21 01:29:16,962 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-21 01:29:16,962 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-21 01:29:16,963 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-21 01:29:16,963 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-21 01:29:16,963 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-21 01:29:16,963 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-21 01:29:16,963 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-21 01:29:16,963 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,963 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,963 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,963 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,963 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-21 01:29:16,963 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,963 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,963 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-21 01:29:16,964 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-21 01:29:16,964 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-21 01:29:16,964 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-21 01:29:16,964 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-21 01:29:16,964 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-21 01:29:16,964 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-21 01:29:16,964 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-21 01:29:16,964 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-21 01:29:16,964 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-21 01:29:16,964 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-21 01:29:16,964 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-21 01:29:16,964 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-21 01:29:16,964 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,965 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,965 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,965 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,965 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,965 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,965 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-21 01:29:16,965 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-21 01:29:16,965 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-21 01:29:16,965 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-21 01:29:16,965 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-21 01:29:16,965 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-21 01:29:16,965 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 01:29:16,965 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-21 01:29:16,965 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-21 01:29:16,966 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-21 01:29:16,966 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-21 01:29:16,966 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse6 (<= |old(~a10~0)| ~a10~0)) (.cse7 (<= ~a19~0 |old(~a19~0)|)) (.cse8 (= ~a1~0 |old(~a1~0)|))) (let ((.cse2 (and .cse6 .cse7 .cse8)) (.cse0 (not (<= |old(~a10~0)| 3))) (.cse1 (not (<= |old(~a19~0)| 9))) (.cse3 (not (< 7 |old(~a19~0)|))) (.cse4 (and .cse6 .cse7 (< 7 ~a19~0) .cse8)) (.cse5 (not (<= |old(~a10~0)| 2)))) (and (or .cse0 .cse1 (<= ~a10~0 3)) (or (not (<= |old(~a19~0)| 6)) .cse2) (or .cse3 .cse4 .cse1) (or (<= ~a10~0 0) (not (<= |old(~a10~0)| 0))) (or .cse2 .cse0 .cse1) (or (<= ~a10~0 2) .cse5) (or .cse3 .cse4 .cse5) (or (<= ~a10~0 1) (not (<= |old(~a10~0)| 1)))))) [2020-07-21 01:29:16,966 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-21 01:29:16,966 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-21 01:29:16,966 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-21 01:29:16,966 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,966 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,966 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,966 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,966 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,966 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,967 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-21 01:29:16,967 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-21 01:29:16,967 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-21 01:29:16,967 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-21 01:29:16,967 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-21 01:29:16,967 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-21 01:29:16,967 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-21 01:29:16,967 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-21 01:29:16,967 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-21 01:29:16,967 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-21 01:29:16,968 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-21 01:29:16,968 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-21 01:29:16,968 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-21 01:29:16,968 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,968 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,968 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,968 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,968 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,969 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,969 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-21 01:29:16,969 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-21 01:29:16,969 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-21 01:29:16,969 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-21 01:29:16,969 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-21 01:29:16,969 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-21 01:29:16,969 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-21 01:29:16,969 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-21 01:29:16,970 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-21 01:29:16,970 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-21 01:29:16,970 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-21 01:29:16,970 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-21 01:29:16,970 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,970 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,970 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,970 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,970 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,971 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:29:16,971 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-21 01:29:16,971 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-21 01:29:16,971 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-21 01:29:16,971 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-21 01:29:16,971 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-21 01:29:16,971 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-21 01:29:16,971 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-21 01:29:16,972 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-21 01:29:16,972 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-21 01:29:16,972 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-21 01:29:16,972 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-21 01:29:16,972 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-21 01:29:16,972 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 01:29:16,972 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= ~a19~0 9) (< 7 ~a19~0) (= 23 ~a1~0)) [2020-07-21 01:29:16,972 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 01:29:16,973 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 01:29:16,973 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (<= ~a10~0 0) (<= |old(~a10~0)| ~a10~0) (<= ~a19~0 |old(~a19~0)|) (< 7 ~a19~0) (= ~a1~0 |old(~a1~0)|)) (not (< 7 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= |old(~a19~0)| 9))) [2020-07-21 01:29:16,973 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-21 01:29:16,973 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse2 (< 7 ~a19~0)) (.cse1 (<= 9 |old(~a19~0)|))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 (<= ~a10~0 3)) (not (<= |old(~a10~0)| 0)) (and (<= ~a10~0 0) (<= |old(~a10~0)| ~a10~0) (<= ~a19~0 |old(~a19~0)|) .cse2 (= ~a1~0 |old(~a1~0)|)) (not (< 7 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (and .cse1 (<= ~a19~0 6)) (and .cse1 (<= ~a10~0 2)) (not (<= |old(~a19~0)| 9)))) [2020-07-21 01:29:16,973 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-21 01:29:16,973 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-21 01:29:16,973 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse2 (< 7 ~a19~0)) (.cse1 (<= 9 |old(~a19~0)|))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 (<= ~a10~0 3)) (not (<= |old(~a10~0)| 0)) (and (<= ~a10~0 0) (<= |old(~a10~0)| ~a10~0) (<= ~a19~0 |old(~a19~0)|) .cse2 (= ~a1~0 |old(~a1~0)|)) (not (< 7 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (and .cse1 (<= ~a19~0 6)) (and .cse1 (<= ~a10~0 2)) (not (<= |old(~a19~0)| 9)))) [2020-07-21 01:29:16,974 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-21 01:29:16,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:29:16 BoogieIcfgContainer [2020-07-21 01:29:16,998 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 01:29:17,000 INFO L168 Benchmark]: Toolchain (without parser) took 19416.97 ms. Allocated memory was 142.1 MB in the beginning and 537.9 MB in the end (delta: 395.8 MB). Free memory was 104.5 MB in the beginning and 378.9 MB in the end (delta: -274.4 MB). Peak memory consumption was 352.8 MB. Max. memory is 7.1 GB. [2020-07-21 01:29:17,002 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 142.1 MB. Free memory was 123.9 MB in the beginning and 123.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-21 01:29:17,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.99 ms. Allocated memory was 142.1 MB in the beginning and 207.1 MB in the end (delta: 65.0 MB). Free memory was 104.1 MB in the beginning and 174.2 MB in the end (delta: -70.2 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB. [2020-07-21 01:29:17,007 INFO L168 Benchmark]: Boogie Preprocessor took 98.78 ms. Allocated memory is still 207.1 MB. Free memory was 174.2 MB in the beginning and 169.0 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2020-07-21 01:29:17,013 INFO L168 Benchmark]: RCFGBuilder took 1308.81 ms. Allocated memory was 207.1 MB in the beginning and 235.4 MB in the end (delta: 28.3 MB). Free memory was 169.0 MB in the beginning and 173.8 MB in the end (delta: -4.9 MB). Peak memory consumption was 76.5 MB. Max. memory is 7.1 GB. [2020-07-21 01:29:17,013 INFO L168 Benchmark]: TraceAbstraction took 17344.46 ms. Allocated memory was 235.4 MB in the beginning and 537.9 MB in the end (delta: 302.5 MB). Free memory was 173.8 MB in the beginning and 378.9 MB in the end (delta: -205.1 MB). Peak memory consumption was 328.8 MB. Max. memory is 7.1 GB. [2020-07-21 01:29:17,023 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 142.1 MB. Free memory was 123.9 MB in the beginning and 123.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 657.99 ms. Allocated memory was 142.1 MB in the beginning and 207.1 MB in the end (delta: 65.0 MB). Free memory was 104.1 MB in the beginning and 174.2 MB in the end (delta: -70.2 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.78 ms. Allocated memory is still 207.1 MB. Free memory was 174.2 MB in the beginning and 169.0 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1308.81 ms. Allocated memory was 207.1 MB in the beginning and 235.4 MB in the end (delta: 28.3 MB). Free memory was 169.0 MB in the beginning and 173.8 MB in the end (delta: -4.9 MB). Peak memory consumption was 76.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17344.46 ms. Allocated memory was 235.4 MB in the beginning and 537.9 MB in the end (delta: 302.5 MB). Free memory was 173.8 MB in the beginning and 378.9 MB in the end (delta: -205.1 MB). Peak memory consumption was 328.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 100]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((a19 <= 9 && 9 <= \old(a19)) && 7 < a19) || ((a19 <= 9 && 9 <= \old(a19)) && a10 <= 3)) || !(\old(a10) <= 0)) || ((((a10 <= 0 && \old(a10) <= a10) && a19 <= \old(a19)) && 7 < a19) && a1 == \old(a1))) || !(7 < \old(a19))) || !(23 == \old(a1))) || (9 <= \old(a19) && a19 <= 6)) || (9 <= \old(a19) && a10 <= 2)) || !(\old(a19) <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.6s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 531 SDtfs, 2458 SDslu, 226 SDs, 0 SdLazy, 5962 SolverSat, 1144 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3281 GetRequests, 3237 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2940occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 787 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 80 PreInvPairs, 134 NumberOfFragments, 313 HoareAnnotationTreeSize, 80 FomulaSimplifications, 3393 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2473 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2106 NumberOfCodeBlocks, 1740 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 3256 ConstructedInterpolants, 0 QuantifiedInterpolants, 1956240 SizeOfPredicates, 15 NumberOfNonLiveVariables, 3297 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 14 InterpolantComputations, 7 PerfectInterpolantSequences, 2605/2813 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...