/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 NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label48.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 13:52:22,903 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-21 13:52:22,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 13:52:22,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 13:52:22,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 13:52:22,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 13:52:22,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 13:52:22,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 13:52:22,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 13:52:22,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 13:52:22,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 13:52:22,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 13:52:22,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 13:52:22,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 13:52:22,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 13:52:23,000 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 13:52:23,037 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 13:52:23,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 13:52:23,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 13:52:23,040 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 13:52:23,040 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 13:52:23,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 13:52:23,041 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 13:52:23,041 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 13:52:23,041 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 13:52:23,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 13:52:23,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 13:52:23,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 13:52:23,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 13:52:23,045 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 13:52:23,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 13:52:23,046 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 13:52:23,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 13:52:23,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 13:52:23,048 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 13:52:23,048 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 13:52:23,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 13:52:23,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 13:52:23,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 13:52:23,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 13:52:23,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 13:52:23,050 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 13:52:23,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:23,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 13:52:23,050 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 13:52:23,050 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 -> NUM_FUNCTIONS 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 -> 2 [2020-07-21 13:52:23,389 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 13:52:23,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 13:52:23,408 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 13:52:23,410 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 13:52:23,410 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 13:52:23,411 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label48.c [2020-07-21 13:52:23,478 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ade91384/862e880feece4d3b9918b0fd5a77ab15/FLAGb373c9b1e [2020-07-21 13:52:24,042 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 13:52:24,043 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label48.c [2020-07-21 13:52:24,060 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ade91384/862e880feece4d3b9918b0fd5a77ab15/FLAGb373c9b1e [2020-07-21 13:52:24,312 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ade91384/862e880feece4d3b9918b0fd5a77ab15 [2020-07-21 13:52:24,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 13:52:24,324 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 13:52:24,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 13:52:24,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 13:52:24,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 13:52:24,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:52:24" (1/1) ... [2020-07-21 13:52:24,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f40945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:24, skipping insertion in model container [2020-07-21 13:52:24,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:52:24" (1/1) ... [2020-07-21 13:52:24,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 13:52:24,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 13:52:24,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 13:52:24,921 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 13:52:25,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 13:52:25,053 INFO L208 MainTranslator]: Completed translation [2020-07-21 13:52:25,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:25 WrapperNode [2020-07-21 13:52:25,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 13:52:25,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 13:52:25,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 13:52:25,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 13:52:25,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:25" (1/1) ... [2020-07-21 13:52:25,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:25" (1/1) ... [2020-07-21 13:52:25,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:25" (1/1) ... [2020-07-21 13:52:25,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:25" (1/1) ... [2020-07-21 13:52:25,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:25" (1/1) ... [2020-07-21 13:52:25,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:25" (1/1) ... [2020-07-21 13:52:25,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:25" (1/1) ... [2020-07-21 13:52:25,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 13:52:25,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 13:52:25,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 13:52:25,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 13:52:25,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:25" (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 13:52:25,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 13:52:25,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 13:52:25,282 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 13:52:25,282 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 13:52:25,282 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 13:52:25,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 13:52:25,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 13:52:25,283 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 13:52:25,283 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 13:52:25,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 13:52:25,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 13:52:26,534 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 13:52:26,534 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 13:52:26,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:52:26 BoogieIcfgContainer [2020-07-21 13:52:26,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 13:52:26,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 13:52:26,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 13:52:26,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 13:52:26,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:52:24" (1/3) ... [2020-07-21 13:52:26,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa34b8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:52:26, skipping insertion in model container [2020-07-21 13:52:26,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:25" (2/3) ... [2020-07-21 13:52:26,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa34b8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:52:26, skipping insertion in model container [2020-07-21 13:52:26,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:52:26" (3/3) ... [2020-07-21 13:52:26,562 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label48.c [2020-07-21 13:52:26,574 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 13:52:26,590 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 13:52:26,606 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 13:52:26,645 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 13:52:26,646 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 13:52:26,647 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 13:52:26,647 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 13:52:26,647 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 13:52:26,647 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 13:52:26,648 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 13:52:26,648 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 13:52:26,680 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-21 13:52:26,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-21 13:52:26,705 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:52:26,706 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:52:26,707 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:52:26,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:52:26,714 INFO L82 PathProgramCache]: Analyzing trace with hash 231210793, now seen corresponding path program 1 times [2020-07-21 13:52:26,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:52:26,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1967576759] [2020-07-21 13:52:26,726 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 13:52:26,919 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:52:26,920 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:52:26,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 13:52:26,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:52:27,057 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 13:52:27,057 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:52:27,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1967576759] [2020-07-21 13:52:27,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:52:27,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 13:52:27,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144141932] [2020-07-21 13:52:27,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 13:52:27,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:52:27,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 13:52:27,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:52:27,085 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2020-07-21 13:52:28,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:52:28,123 INFO L93 Difference]: Finished difference Result 619 states and 1060 transitions. [2020-07-21 13:52:28,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 13:52:28,125 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2020-07-21 13:52:28,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:52:28,160 INFO L225 Difference]: With dead ends: 619 [2020-07-21 13:52:28,160 INFO L226 Difference]: Without dead ends: 321 [2020-07-21 13:52:28,173 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 141 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 13:52:28,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-07-21 13:52:28,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 319. [2020-07-21 13:52:28,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-07-21 13:52:28,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 421 transitions. [2020-07-21 13:52:28,290 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 421 transitions. Word has length 143 [2020-07-21 13:52:28,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:52:28,291 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 421 transitions. [2020-07-21 13:52:28,291 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 13:52:28,291 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 421 transitions. [2020-07-21 13:52:28,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-21 13:52:28,297 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:52:28,297 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:52:28,511 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:28,512 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:52:28,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:52:28,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1011196440, now seen corresponding path program 1 times [2020-07-21 13:52:28,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:52:28,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [933029987] [2020-07-21 13:52:28,514 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 13:52:28,642 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:52:28,643 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:52:28,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 13:52:28,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:52:28,702 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:52:28,702 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:52:28,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [933029987] [2020-07-21 13:52:28,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:52:28,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 13:52:28,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050822828] [2020-07-21 13:52:28,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 13:52:28,706 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:52:28,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 13:52:28,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:52:28,706 INFO L87 Difference]: Start difference. First operand 319 states and 421 transitions. Second operand 3 states. [2020-07-21 13:52:29,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:52:29,354 INFO L93 Difference]: Finished difference Result 780 states and 1068 transitions. [2020-07-21 13:52:29,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 13:52:29,357 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2020-07-21 13:52:29,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:52:29,362 INFO L225 Difference]: With dead ends: 780 [2020-07-21 13:52:29,362 INFO L226 Difference]: Without dead ends: 467 [2020-07-21 13:52:29,363 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 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 13:52:29,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2020-07-21 13:52:29,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 465. [2020-07-21 13:52:29,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2020-07-21 13:52:29,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 636 transitions. [2020-07-21 13:52:29,390 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 636 transitions. Word has length 152 [2020-07-21 13:52:29,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:52:29,391 INFO L479 AbstractCegarLoop]: Abstraction has 465 states and 636 transitions. [2020-07-21 13:52:29,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 13:52:29,391 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 636 transitions. [2020-07-21 13:52:29,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-07-21 13:52:29,395 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:52:29,396 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:52:29,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:29,610 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:52:29,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:52:29,611 INFO L82 PathProgramCache]: Analyzing trace with hash -994898784, now seen corresponding path program 1 times [2020-07-21 13:52:29,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:52:29,612 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1838089369] [2020-07-21 13:52:29,612 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 13:52:29,711 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:52:29,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:52:29,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 13:52:29,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:52:29,776 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 13:52:29,776 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 13:52:29,867 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 13:52:29,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1838089369] [2020-07-21 13:52:29,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 13:52:29,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2020-07-21 13:52:29,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484861188] [2020-07-21 13:52:29,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 13:52:29,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:52:29,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 13:52:29,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 13:52:29,871 INFO L87 Difference]: Start difference. First operand 465 states and 636 transitions. Second operand 4 states. [2020-07-21 13:52:30,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:52:30,549 INFO L93 Difference]: Finished difference Result 1376 states and 1912 transitions. [2020-07-21 13:52:30,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 13:52:30,555 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 156 [2020-07-21 13:52:30,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:52:30,563 INFO L225 Difference]: With dead ends: 1376 [2020-07-21 13:52:30,564 INFO L226 Difference]: Without dead ends: 917 [2020-07-21 13:52:30,565 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 304 SyntacticMatches, 4 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 13:52:30,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2020-07-21 13:52:30,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 917. [2020-07-21 13:52:30,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 917 states. [2020-07-21 13:52:30,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 917 states and 1236 transitions. [2020-07-21 13:52:30,606 INFO L78 Accepts]: Start accepts. Automaton has 917 states and 1236 transitions. Word has length 156 [2020-07-21 13:52:30,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:52:30,607 INFO L479 AbstractCegarLoop]: Abstraction has 917 states and 1236 transitions. [2020-07-21 13:52:30,607 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 13:52:30,607 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1236 transitions. [2020-07-21 13:52:30,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-07-21 13:52:30,614 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:52:30,615 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:52:30,830 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:30,831 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:52:30,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:52:30,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1189975825, now seen corresponding path program 1 times [2020-07-21 13:52:30,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:52:30,833 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1439083060] [2020-07-21 13:52:30,834 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 13:52:30,936 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:52:30,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:52:30,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 13:52:30,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:52:31,020 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 13:52:31,021 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:52:31,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1439083060] [2020-07-21 13:52:31,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:52:31,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 13:52:31,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12414858] [2020-07-21 13:52:31,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 13:52:31,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:52:31,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 13:52:31,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-21 13:52:31,023 INFO L87 Difference]: Start difference. First operand 917 states and 1236 transitions. Second operand 5 states. [2020-07-21 13:52:31,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:52:31,864 INFO L93 Difference]: Finished difference Result 2616 states and 3641 transitions. [2020-07-21 13:52:31,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 13:52:31,865 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2020-07-21 13:52:31,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:52:31,877 INFO L225 Difference]: With dead ends: 2616 [2020-07-21 13:52:31,877 INFO L226 Difference]: Without dead ends: 1705 [2020-07-21 13:52:31,880 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 13:52:31,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2020-07-21 13:52:31,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1681. [2020-07-21 13:52:31,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1681 states. [2020-07-21 13:52:31,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1681 states and 2154 transitions. [2020-07-21 13:52:31,941 INFO L78 Accepts]: Start accepts. Automaton has 1681 states and 2154 transitions. Word has length 170 [2020-07-21 13:52:31,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:52:31,941 INFO L479 AbstractCegarLoop]: Abstraction has 1681 states and 2154 transitions. [2020-07-21 13:52:31,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 13:52:31,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 2154 transitions. [2020-07-21 13:52:31,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-07-21 13:52:31,948 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:52:31,948 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:52:32,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:32,163 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:52:32,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:52:32,164 INFO L82 PathProgramCache]: Analyzing trace with hash -2008757332, now seen corresponding path program 1 times [2020-07-21 13:52:32,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:52:32,165 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1024049340] [2020-07-21 13:52:32,166 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 13:52:32,280 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:52:32,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:52:32,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 13:52:32,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:52:32,365 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-21 13:52:32,366 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 13:52:32,467 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-21 13:52:32,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1024049340] [2020-07-21 13:52:32,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 13:52:32,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 13:52:32,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144696232] [2020-07-21 13:52:32,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 13:52:32,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:52:32,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 13:52:32,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 13:52:32,472 INFO L87 Difference]: Start difference. First operand 1681 states and 2154 transitions. Second operand 7 states. [2020-07-21 13:52:33,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:52:33,874 INFO L93 Difference]: Finished difference Result 3994 states and 5259 transitions. [2020-07-21 13:52:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 13:52:33,875 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 173 [2020-07-21 13:52:33,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:52:33,887 INFO L225 Difference]: With dead ends: 3994 [2020-07-21 13:52:33,887 INFO L226 Difference]: Without dead ends: 2319 [2020-07-21 13:52:33,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 343 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2020-07-21 13:52:33,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2020-07-21 13:52:33,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 2299. [2020-07-21 13:52:33,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2299 states. [2020-07-21 13:52:33,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 2299 states and 2873 transitions. [2020-07-21 13:52:33,970 INFO L78 Accepts]: Start accepts. Automaton has 2299 states and 2873 transitions. Word has length 173 [2020-07-21 13:52:33,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:52:33,971 INFO L479 AbstractCegarLoop]: Abstraction has 2299 states and 2873 transitions. [2020-07-21 13:52:33,971 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 13:52:33,971 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 2873 transitions. [2020-07-21 13:52:33,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-07-21 13:52:33,980 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:52:33,980 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:52:34,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:34,194 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:52:34,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:52:34,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1589066371, now seen corresponding path program 1 times [2020-07-21 13:52:34,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:52:34,196 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [423847299] [2020-07-21 13:52:34,196 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 13:52:34,307 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:52:34,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:52:34,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 13:52:34,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:52:34,354 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-21 13:52:34,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 13:52:34,417 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 54 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-21 13:52:34,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [423847299] [2020-07-21 13:52:34,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 13:52:34,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 13:52:34,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354019747] [2020-07-21 13:52:34,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 13:52:34,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:52:34,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 13:52:34,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 13:52:34,420 INFO L87 Difference]: Start difference. First operand 2299 states and 2873 transitions. Second operand 7 states. [2020-07-21 13:52:34,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:52:34,911 INFO L93 Difference]: Finished difference Result 4455 states and 5676 transitions. [2020-07-21 13:52:34,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 13:52:34,912 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 183 [2020-07-21 13:52:34,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:52:34,922 INFO L225 Difference]: With dead ends: 4455 [2020-07-21 13:52:34,922 INFO L226 Difference]: Without dead ends: 2162 [2020-07-21 13:52:34,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 360 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-21 13:52:34,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2162 states. [2020-07-21 13:52:34,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2162 to 2134. [2020-07-21 13:52:34,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2134 states. [2020-07-21 13:52:34,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2134 states to 2134 states and 2547 transitions. [2020-07-21 13:52:34,981 INFO L78 Accepts]: Start accepts. Automaton has 2134 states and 2547 transitions. Word has length 183 [2020-07-21 13:52:34,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:52:34,982 INFO L479 AbstractCegarLoop]: Abstraction has 2134 states and 2547 transitions. [2020-07-21 13:52:34,982 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 13:52:34,982 INFO L276 IsEmpty]: Start isEmpty. Operand 2134 states and 2547 transitions. [2020-07-21 13:52:34,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-07-21 13:52:34,989 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:52:34,989 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:52:35,204 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:35,205 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:52:35,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:52:35,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1894700587, now seen corresponding path program 1 times [2020-07-21 13:52:35,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:52:35,206 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [213274839] [2020-07-21 13:52:35,206 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 13:52:35,310 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:52:35,311 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:52:35,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 13:52:35,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:52:35,357 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 72 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 13:52:35,357 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 13:52:35,423 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 72 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 13:52:35,424 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [213274839] [2020-07-21 13:52:35,424 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 13:52:35,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 13:52:35,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059752954] [2020-07-21 13:52:35,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 13:52:35,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:52:35,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 13:52:35,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 13:52:35,426 INFO L87 Difference]: Start difference. First operand 2134 states and 2547 transitions. Second operand 7 states. [2020-07-21 13:52:36,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:52:36,719 INFO L93 Difference]: Finished difference Result 5418 states and 6431 transitions. [2020-07-21 13:52:36,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 13:52:36,721 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 197 [2020-07-21 13:52:36,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:52:36,735 INFO L225 Difference]: With dead ends: 5418 [2020-07-21 13:52:36,736 INFO L226 Difference]: Without dead ends: 3290 [2020-07-21 13:52:36,741 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 389 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 13:52:36,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3290 states. [2020-07-21 13:52:36,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3290 to 3290. [2020-07-21 13:52:36,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3290 states. [2020-07-21 13:52:36,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3290 states to 3290 states and 3780 transitions. [2020-07-21 13:52:36,825 INFO L78 Accepts]: Start accepts. Automaton has 3290 states and 3780 transitions. Word has length 197 [2020-07-21 13:52:36,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:52:36,826 INFO L479 AbstractCegarLoop]: Abstraction has 3290 states and 3780 transitions. [2020-07-21 13:52:36,826 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 13:52:36,826 INFO L276 IsEmpty]: Start isEmpty. Operand 3290 states and 3780 transitions. [2020-07-21 13:52:36,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-07-21 13:52:36,836 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:52:36,836 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:52:37,051 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:37,052 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:52:37,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:52:37,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1347444083, now seen corresponding path program 1 times [2020-07-21 13:52:37,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:52:37,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [490246980] [2020-07-21 13:52:37,054 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 13:52:37,167 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:52:37,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:52:37,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 13:52:37,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:52:37,285 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 13:52:37,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 13:52:37,353 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 13:52:37,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [490246980] [2020-07-21 13:52:37,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 13:52:37,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 13:52:37,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607998153] [2020-07-21 13:52:37,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 13:52:37,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:52:37,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 13:52:37,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 13:52:37,356 INFO L87 Difference]: Start difference. First operand 3290 states and 3780 transitions. Second operand 7 states. [2020-07-21 13:52:38,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:52:38,710 INFO L93 Difference]: Finished difference Result 6288 states and 7180 transitions. [2020-07-21 13:52:38,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 13:52:38,711 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 204 [2020-07-21 13:52:38,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:52:38,725 INFO L225 Difference]: With dead ends: 6288 [2020-07-21 13:52:38,725 INFO L226 Difference]: Without dead ends: 2987 [2020-07-21 13:52:38,733 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 403 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 13:52:38,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2987 states. [2020-07-21 13:52:38,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2987 to 2841. [2020-07-21 13:52:38,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2841 states. [2020-07-21 13:52:38,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2841 states and 3194 transitions. [2020-07-21 13:52:38,798 INFO L78 Accepts]: Start accepts. Automaton has 2841 states and 3194 transitions. Word has length 204 [2020-07-21 13:52:38,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:52:38,798 INFO L479 AbstractCegarLoop]: Abstraction has 2841 states and 3194 transitions. [2020-07-21 13:52:38,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 13:52:38,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2841 states and 3194 transitions. [2020-07-21 13:52:38,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-07-21 13:52:38,808 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:52:38,808 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:52:39,022 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:39,023 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:52:39,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:52:39,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1249953049, now seen corresponding path program 1 times [2020-07-21 13:52:39,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:52:39,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [639548962] [2020-07-21 13:52:39,025 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 13:52:39,213 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:52:39,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:52:39,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 13:52:39,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:52:39,291 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-07-21 13:52:39,291 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 13:52:39,398 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 93 proven. 39 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-07-21 13:52:39,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [639548962] [2020-07-21 13:52:39,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 13:52:39,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 13:52:39,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814317530] [2020-07-21 13:52:39,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 13:52:39,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:52:39,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 13:52:39,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 13:52:39,401 INFO L87 Difference]: Start difference. First operand 2841 states and 3194 transitions. Second operand 7 states. [2020-07-21 13:52:40,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:52:40,601 INFO L93 Difference]: Finished difference Result 7157 states and 8071 transitions. [2020-07-21 13:52:40,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 13:52:40,602 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 229 [2020-07-21 13:52:40,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:52:40,603 INFO L225 Difference]: With dead ends: 7157 [2020-07-21 13:52:40,603 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 13:52:40,620 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 13:52:40,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 13:52:40,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 13:52:40,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 13:52:40,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 13:52:40,622 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 229 [2020-07-21 13:52:40,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:52:40,622 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 13:52:40,622 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 13:52:40,622 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 13:52:40,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 13:52:40,837 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:40,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 13:52:42,601 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 132 DAG size of output: 67 [2020-07-21 13:52:43,013 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2020-07-21 13:52:43,435 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2020-07-21 13:52:43,439 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 13:52:43,439 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (or (<= ~a11~0 0) (< 0 |old(~a11~0)|)) (= ~a19~0 |old(~a19~0)|) (<= |old(~a28~0)| ~a28~0) (= ~a25~0 |old(~a25~0)|)) [2020-07-21 13:52:43,440 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 13:52:43,440 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,440 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,440 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,440 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,441 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,441 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-21 13:52:43,441 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-21 13:52:43,441 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-21 13:52:43,441 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-21 13:52:43,441 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-21 13:52:43,442 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-21 13:52:43,442 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-21 13:52:43,442 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-21 13:52:43,442 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-21 13:52:43,442 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-21 13:52:43,442 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-21 13:52:43,442 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-21 13:52:43,442 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-21 13:52:43,442 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,442 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,443 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,443 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,443 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-21 13:52:43,443 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,443 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-21 13:52:43,443 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-21 13:52:43,443 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-21 13:52:43,443 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-21 13:52:43,443 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-21 13:52:43,443 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-21 13:52:43,443 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-21 13:52:43,444 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-21 13:52:43,444 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-21 13:52:43,444 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-21 13:52:43,444 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-21 13:52:43,444 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-21 13:52:43,444 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-21 13:52:43,444 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-21 13:52:43,444 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-21 13:52:43,445 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,445 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,445 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,445 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,445 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,445 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 583) no Hoare annotation was computed. [2020-07-21 13:52:43,445 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-21 13:52:43,445 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-21 13:52:43,446 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-21 13:52:43,446 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-21 13:52:43,446 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-21 13:52:43,446 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-21 13:52:43,446 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-21 13:52:43,446 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 13:52:43,446 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-21 13:52:43,446 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-21 13:52:43,446 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-21 13:52:43,447 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,447 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,447 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,447 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,447 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,447 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-21 13:52:43,447 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-21 13:52:43,447 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-21 13:52:43,447 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-21 13:52:43,448 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-21 13:52:43,448 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-21 13:52:43,448 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-21 13:52:43,448 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-21 13:52:43,448 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-21 13:52:43,448 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-21 13:52:43,448 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-21 13:52:43,448 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-21 13:52:43,448 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-21 13:52:43,449 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,449 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,449 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,449 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,449 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,449 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-21 13:52:43,449 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-21 13:52:43,449 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-21 13:52:43,450 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-21 13:52:43,450 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 13:52:43,450 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-21 13:52:43,450 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-21 13:52:43,450 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-21 13:52:43,450 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-21 13:52:43,450 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-21 13:52:43,450 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-21 13:52:43,451 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-21 13:52:43,451 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-21 13:52:43,451 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-21 13:52:43,451 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-21 13:52:43,451 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-21 13:52:43,451 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,451 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,451 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,452 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,452 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-21 13:52:43,452 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,452 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-21 13:52:43,452 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,452 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-21 13:52:43,452 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-21 13:52:43,452 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-21 13:52:43,453 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,453 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,453 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 13:52:43,453 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-21 13:52:43,453 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-21 13:52:43,453 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-21 13:52:43,453 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 13:52:43,454 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 13:52:43,454 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-21 13:52:43,454 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-21 13:52:43,454 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-21 13:52:43,454 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-21 13:52:43,454 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-21 13:52:43,454 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,454 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,455 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,455 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,455 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,455 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,455 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-21 13:52:43,455 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 13:52:43,455 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-21 13:52:43,456 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-21 13:52:43,456 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 13:52:43,456 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-21 13:52:43,456 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-21 13:52:43,456 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-21 13:52:43,456 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-21 13:52:43,456 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-21 13:52:43,456 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-21 13:52:43,456 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,457 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,457 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,457 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,457 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,457 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,457 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-21 13:52:43,457 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-21 13:52:43,457 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-21 13:52:43,457 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 13:52:43,458 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-21 13:52:43,458 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-21 13:52:43,458 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 13:52:43,458 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-21 13:52:43,458 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-21 13:52:43,458 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-21 13:52:43,458 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-21 13:52:43,458 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-21 13:52:43,458 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-21 13:52:43,459 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-21 13:52:43,459 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,459 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,459 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,459 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse8 (<= ~a11~0 0))) (let ((.cse18 (<= ~a17~0 |old(~a17~0)|)) (.cse20 (or .cse8 (< 0 |old(~a11~0)|))) (.cse19 (<= ~a28~0 10)) (.cse3 (= ~a19~0 |old(~a19~0)|)) (.cse4 (<= |old(~a28~0)| ~a28~0))) (let ((.cse12 (not (<= |old(~a11~0)| 0))) (.cse15 (and .cse18 .cse20 .cse19 .cse3 .cse4)) (.cse17 (not (<= |old(~a17~0)| 7))) (.cse1 (<= ~a17~0 8)) (.cse16 (not (<= |old(~a19~0)| 0))) (.cse11 (not (<= |old(~a28~0)| 7))) (.cse6 (not (= 1 |old(~a25~0)|))) (.cse9 (<= ~a28~0 7)) (.cse0 (not (= 1 |old(~a19~0)|))) (.cse13 (not (<= |old(~a28~0)| 10))) (.cse14 (not (<= 9 |old(~a28~0)|))) (.cse5 (not (<= 8 |old(~a17~0)|))) (.cse2 (<= 8 ~a17~0)) (.cse10 (= ~a25~0 |old(~a25~0)|)) (.cse7 (not (<= |old(~a17~0)| 8)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 (= 1 ~a25~0)) .cse5 .cse6 .cse7) (or .cse0 (and .cse8 .cse1 .cse3 .cse4 .cse9 .cse10) .cse11 .cse7 .cse12) (or .cse13 .cse14 .cse15 .cse16 .cse17) (or .cse0 .cse8 .cse5 .cse6 .cse7 .cse12) (or .cse0 .cse13 .cse14 .cse15 .cse7) (or .cse0 .cse11 .cse17 (and .cse18 .cse3 .cse4 .cse9)) (or .cse0 .cse13 .cse5 .cse6 .cse19 .cse7) (or .cse11 .cse5 .cse16 .cse7 .cse9) (or .cse13 (and .cse20 .cse1 .cse2 .cse19 .cse3 .cse4 .cse10) .cse5 .cse16 .cse7) (or .cse0 .cse11 .cse6 .cse7 .cse9) (or .cse0 .cse13 .cse14 .cse5 (and .cse2 .cse10) .cse7))))) [2020-07-21 13:52:43,460 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,460 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,460 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,460 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-21 13:52:43,460 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-21 13:52:43,460 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-21 13:52:43,460 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 13:52:43,460 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-21 13:52:43,460 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-21 13:52:43,460 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-21 13:52:43,461 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 13:52:43,461 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-21 13:52:43,461 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-21 13:52:43,461 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-21 13:52:43,461 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-21 13:52:43,461 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-21 13:52:43,461 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,461 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,461 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,462 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,462 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,462 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,462 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-21 13:52:43,462 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-21 13:52:43,462 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-21 13:52:43,462 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-21 13:52:43,462 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-21 13:52:43,462 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 13:52:43,463 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-21 13:52:43,463 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-21 13:52:43,463 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-21 13:52:43,463 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-21 13:52:43,463 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-21 13:52:43,463 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-21 13:52:43,463 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-21 13:52:43,463 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-21 13:52:43,463 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-21 13:52:43,464 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-21 13:52:43,464 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,464 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,464 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,464 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,464 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:43,464 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-21 13:52:43,464 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-21 13:52:43,464 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-21 13:52:43,465 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-21 13:52:43,465 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-21 13:52:43,465 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-21 13:52:43,465 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-21 13:52:43,465 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 13:52:43,465 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-21 13:52:43,465 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-21 13:52:43,465 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-21 13:52:43,466 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-21 13:52:43,466 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-21 13:52:43,466 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-21 13:52:43,466 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-21 13:52:43,466 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-21 13:52:43,466 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-21 13:52:43,466 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-21 13:52:43,466 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-21 13:52:43,466 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 13:52:43,467 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a17~0 8) (<= ~a28~0 7)) [2020-07-21 13:52:43,467 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 13:52:43,467 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 13:52:43,467 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0)) (and (<= ~a17~0 |old(~a17~0)|) (<= ~a11~0 0) (= ~a19~0 |old(~a19~0)|) (<= |old(~a28~0)| ~a28~0) (<= ~a28~0 7) (= ~a25~0 |old(~a25~0)|))) [2020-07-21 13:52:43,467 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse4 (<= 9 ~a28~0)) (.cse2 (<= ~a17~0 7)) (.cse3 (< 7 |old(~a17~0)|)) (.cse0 (= 1 ~a19~0)) (.cse9 (<= ~a28~0 7)) (.cse5 (<= ~a17~0 |old(~a17~0)|)) (.cse6 (<= 8 ~a17~0)) (.cse1 (<= ~a28~0 10)) (.cse7 (not (= 1 |old(~a25~0)|))) (.cse8 (<= ~a19~0 0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse5 .cse6 .cse7 (= 1 ~a25~0)) (and .cse0 .cse5 .cse6 .cse7 .cse1 .cse4) (and .cse1 .cse2 .cse3 .cse4 .cse8) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0)) (and (<= 1 ~a19~0) .cse2 (<= ~a19~0 |old(~a19~0)|) .cse3 .cse9) (and .cse0 .cse5 (<= ~a11~0 0) .cse9 (= ~a25~0 |old(~a25~0)|)) (and .cse5 .cse6 .cse1 .cse7 .cse8))) [2020-07-21 13:52:43,467 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-21 13:52:43,468 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-21 13:52:43,468 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (<= 9 ~a28~0)) (.cse2 (<= ~a17~0 7)) (.cse3 (< 7 |old(~a17~0)|)) (.cse0 (= 1 ~a19~0)) (.cse9 (<= ~a28~0 7)) (.cse5 (<= ~a17~0 |old(~a17~0)|)) (.cse6 (<= 8 ~a17~0)) (.cse1 (<= ~a28~0 10)) (.cse7 (not (= 1 |old(~a25~0)|))) (.cse8 (<= ~a19~0 0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse5 .cse6 .cse7 (= 1 ~a25~0)) (and .cse0 .cse5 .cse6 .cse7 .cse1 .cse4) (and .cse1 .cse2 .cse3 .cse4 .cse8) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0)) (and (<= 1 ~a19~0) .cse2 (<= ~a19~0 |old(~a19~0)|) .cse3 .cse9) (and .cse0 .cse5 (<= ~a11~0 0) .cse9 (= ~a25~0 |old(~a25~0)|)) (and .cse5 .cse6 .cse1 .cse7 .cse8))) [2020-07-21 13:52:43,468 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-21 13:52:43,468 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-21 13:52:43,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:52:43 BoogieIcfgContainer [2020-07-21 13:52:43,492 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 13:52:43,494 INFO L168 Benchmark]: Toolchain (without parser) took 19171.73 ms. Allocated memory was 140.0 MB in the beginning and 543.2 MB in the end (delta: 403.2 MB). Free memory was 102.8 MB in the beginning and 467.9 MB in the end (delta: -365.1 MB). Peak memory consumption was 374.8 MB. Max. memory is 7.1 GB. [2020-07-21 13:52:43,495 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory is still 122.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 13:52:43,496 INFO L168 Benchmark]: CACSL2BoogieTranslator took 728.42 ms. Allocated memory was 140.0 MB in the beginning and 206.0 MB in the end (delta: 66.1 MB). Free memory was 102.4 MB in the beginning and 172.8 MB in the end (delta: -70.4 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. [2020-07-21 13:52:43,497 INFO L168 Benchmark]: Boogie Preprocessor took 142.56 ms. Allocated memory is still 206.0 MB. Free memory was 172.8 MB in the beginning and 167.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-21 13:52:43,498 INFO L168 Benchmark]: RCFGBuilder took 1351.74 ms. Allocated memory was 206.0 MB in the beginning and 237.5 MB in the end (delta: 31.5 MB). Free memory was 167.8 MB in the beginning and 179.7 MB in the end (delta: -11.9 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2020-07-21 13:52:43,498 INFO L168 Benchmark]: TraceAbstraction took 16942.07 ms. Allocated memory was 237.5 MB in the beginning and 543.2 MB in the end (delta: 305.7 MB). Free memory was 179.7 MB in the beginning and 467.9 MB in the end (delta: -288.2 MB). Peak memory consumption was 354.2 MB. Max. memory is 7.1 GB. [2020-07-21 13:52:43,502 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory is still 122.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 728.42 ms. Allocated memory was 140.0 MB in the beginning and 206.0 MB in the end (delta: 66.1 MB). Free memory was 102.4 MB in the beginning and 172.8 MB in the end (delta: -70.4 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.56 ms. Allocated memory is still 206.0 MB. Free memory was 172.8 MB in the beginning and 167.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1351.74 ms. Allocated memory was 206.0 MB in the beginning and 237.5 MB in the end (delta: 31.5 MB). Free memory was 167.8 MB in the beginning and 179.7 MB in the end (delta: -11.9 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16942.07 ms. Allocated memory was 237.5 MB in the beginning and 543.2 MB in the end (delta: 305.7 MB). Free memory was 179.7 MB in the beginning and 467.9 MB in the end (delta: -288.2 MB). Peak memory consumption was 354.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 583]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((!(1 == \old(a19)) || ((((1 == a19 && a28 <= 10) && a17 <= 7) && 7 < \old(a17)) && 9 <= a28)) || !(\old(a28) <= 7)) || ((((1 == a19 && a17 <= \old(a17)) && 8 <= a17) && !(1 == \old(a25))) && 1 == a25)) || (((((1 == a19 && a17 <= \old(a17)) && 8 <= a17) && !(1 == \old(a25))) && a28 <= 10) && 9 <= a28)) || ((((a28 <= 10 && a17 <= 7) && 7 < \old(a17)) && 9 <= a28) && a19 <= 0)) || !(\old(a17) <= 8)) || !(\old(a11) <= 0)) || ((((1 <= a19 && a17 <= 7) && a19 <= \old(a19)) && 7 < \old(a17)) && a28 <= 7)) || ((((1 == a19 && a17 <= \old(a17)) && a11 <= 0) && a28 <= 7) && a25 == \old(a25))) || ((((a17 <= \old(a17) && 8 <= a17) && a28 <= 10) && !(1 == \old(a25))) && a19 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.1s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 563 SDtfs, 4213 SDslu, 495 SDs, 0 SdLazy, 7255 SolverSat, 962 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2763 GetRequests, 2710 SyntacticMatches, 8 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3290occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 222 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 128 PreInvPairs, 194 NumberOfFragments, 669 HoareAnnotationTreeSize, 128 FomulaSimplifications, 2648 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3020 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1607 NumberOfCodeBlocks, 1607 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2734 ConstructedInterpolants, 0 QuantifiedInterpolants, 819544 SizeOfPredicates, 12 NumberOfNonLiveVariables, 4004 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 924/996 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...