/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_VARIABLES --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/Problem10_label37.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 16:36:33,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 16:36:33,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 16:36:33,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-21 16:36:33,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 16:36:33,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 16:36:33,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 16:36:33,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 16:36:33,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 16:36:33,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 16:36:33,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 16:36:33,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 16:36:33,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 16:36:33,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 16:36:33,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 16:36:33,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 16:36:33,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 16:36:33,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 16:36:33,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 16:36:33,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 16:36:33,565 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 16:36:33,598 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 16:36:33,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 16:36:33,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 16:36:33,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 16:36:33,603 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 16:36:33,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 16:36:33,603 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 16:36:33,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 16:36:33,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 16:36:33,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 16:36:33,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 16:36:33,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 16:36:33,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 16:36:33,606 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 16:36:33,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 16:36:33,606 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 16:36:33,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 16:36:33,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 16:36:33,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 16:36:33,607 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 16:36:33,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 16:36:33,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 16:36:33,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 16:36:33,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 16:36:33,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 16:36:33,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 16:36:33,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:36:33,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 16:36:33,609 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 16:36:33,609 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_VARIABLES 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 16:36:33,912 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 16:36:33,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 16:36:33,934 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 16:36:33,935 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 16:36:33,938 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 16:36:33,938 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label37.c [2020-07-21 16:36:34,009 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53d9357d4/c92d66b425894ec4a6cc4d4573e20f3b/FLAGf977767bf [2020-07-21 16:36:34,542 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 16:36:34,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label37.c [2020-07-21 16:36:34,556 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53d9357d4/c92d66b425894ec4a6cc4d4573e20f3b/FLAGf977767bf [2020-07-21 16:36:34,840 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53d9357d4/c92d66b425894ec4a6cc4d4573e20f3b [2020-07-21 16:36:34,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 16:36:34,851 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 16:36:34,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 16:36:34,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 16:36:34,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 16:36:34,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:36:34" (1/1) ... [2020-07-21 16:36:34,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ee47e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:36:34, skipping insertion in model container [2020-07-21 16:36:34,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:36:34" (1/1) ... [2020-07-21 16:36:34,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 16:36:34,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 16:36:35,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 16:36:35,452 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 16:36:35,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 16:36:35,559 INFO L208 MainTranslator]: Completed translation [2020-07-21 16:36:35,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:36:35 WrapperNode [2020-07-21 16:36:35,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 16:36:35,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 16:36:35,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 16:36:35,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 16:36:35,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:36:35" (1/1) ... [2020-07-21 16:36:35,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:36:35" (1/1) ... [2020-07-21 16:36:35,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:36:35" (1/1) ... [2020-07-21 16:36:35,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:36:35" (1/1) ... [2020-07-21 16:36:35,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:36:35" (1/1) ... [2020-07-21 16:36:35,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:36:35" (1/1) ... [2020-07-21 16:36:35,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:36:35" (1/1) ... [2020-07-21 16:36:35,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 16:36:35,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 16:36:35,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 16:36:35,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 16:36:35,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:36:35" (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 16:36:35,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 16:36:35,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 16:36:35,756 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 16:36:35,756 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 16:36:35,756 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 16:36:35,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 16:36:35,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 16:36:35,757 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 16:36:35,758 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 16:36:35,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 16:36:35,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 16:36:37,008 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 16:36:37,009 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 16:36:37,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:36:37 BoogieIcfgContainer [2020-07-21 16:36:37,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 16:36:37,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 16:36:37,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 16:36:37,020 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 16:36:37,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 04:36:34" (1/3) ... [2020-07-21 16:36:37,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7793dc70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:36:37, skipping insertion in model container [2020-07-21 16:36:37,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:36:35" (2/3) ... [2020-07-21 16:36:37,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7793dc70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:36:37, skipping insertion in model container [2020-07-21 16:36:37,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:36:37" (3/3) ... [2020-07-21 16:36:37,024 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label37.c [2020-07-21 16:36:37,034 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 16:36:37,042 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 16:36:37,058 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 16:36:37,088 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 16:36:37,089 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 16:36:37,089 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 16:36:37,089 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 16:36:37,090 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 16:36:37,090 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 16:36:37,090 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 16:36:37,090 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 16:36:37,115 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-21 16:36:37,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 16:36:37,125 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:36:37,127 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] [2020-07-21 16:36:37,128 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:36:37,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:36:37,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1887592417, now seen corresponding path program 1 times [2020-07-21 16:36:37,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:36:37,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [124126853] [2020-07-21 16:36:37,147 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 16:36:37,329 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:36:37,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:36:37,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 16:36:37,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:36:37,413 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 16:36:37,414 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:36:37,415 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [124126853] [2020-07-21 16:36:37,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:36:37,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:36:37,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544831961] [2020-07-21 16:36:37,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:36:37,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:36:37,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:36:37,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:36:37,444 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2020-07-21 16:36:38,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:36:38,645 INFO L93 Difference]: Finished difference Result 586 states and 1004 transitions. [2020-07-21 16:36:38,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:36:38,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-21 16:36:38,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:36:38,663 INFO L225 Difference]: With dead ends: 586 [2020-07-21 16:36:38,663 INFO L226 Difference]: Without dead ends: 294 [2020-07-21 16:36:38,670 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 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 16:36:38,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-07-21 16:36:38,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2020-07-21 16:36:38,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-07-21 16:36:38,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 426 transitions. [2020-07-21 16:36:38,739 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 426 transitions. Word has length 60 [2020-07-21 16:36:38,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:36:38,740 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 426 transitions. [2020-07-21 16:36:38,740 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:36:38,740 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 426 transitions. [2020-07-21 16:36:38,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-21 16:36:38,747 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:36:38,747 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 16:36:38,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:36:38,961 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:36:38,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:36:38,962 INFO L82 PathProgramCache]: Analyzing trace with hash 597106810, now seen corresponding path program 1 times [2020-07-21 16:36:38,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:36:38,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2031772675] [2020-07-21 16:36:38,964 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 16:36:39,052 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:36:39,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:36:39,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:36:39,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:36:39,107 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:36:39,107 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:36:39,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2031772675] [2020-07-21 16:36:39,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:36:39,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:36:39,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604944623] [2020-07-21 16:36:39,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:36:39,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:36:39,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:36:39,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:36:39,112 INFO L87 Difference]: Start difference. First operand 294 states and 426 transitions. Second operand 3 states. [2020-07-21 16:36:39,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:36:39,875 INFO L93 Difference]: Finished difference Result 868 states and 1277 transitions. [2020-07-21 16:36:39,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:36:39,876 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2020-07-21 16:36:39,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:36:39,881 INFO L225 Difference]: With dead ends: 868 [2020-07-21 16:36:39,881 INFO L226 Difference]: Without dead ends: 580 [2020-07-21 16:36:39,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 132 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 16:36:39,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-07-21 16:36:39,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2020-07-21 16:36:39,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-07-21 16:36:39,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 762 transitions. [2020-07-21 16:36:39,919 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 762 transitions. Word has length 134 [2020-07-21 16:36:39,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:36:39,920 INFO L479 AbstractCegarLoop]: Abstraction has 580 states and 762 transitions. [2020-07-21 16:36:39,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:36:39,920 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 762 transitions. [2020-07-21 16:36:39,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-07-21 16:36:39,924 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:36:39,924 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 16:36:40,137 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:36:40,138 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:36:40,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:36:40,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1984546499, now seen corresponding path program 1 times [2020-07-21 16:36:40,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:36:40,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1645493195] [2020-07-21 16:36:40,141 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 16:36:40,242 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:36:40,242 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:36:40,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:36:40,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:36:40,279 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:36:40,279 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:36:40,280 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1645493195] [2020-07-21 16:36:40,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:36:40,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:36:40,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973130940] [2020-07-21 16:36:40,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:36:40,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:36:40,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:36:40,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:36:40,282 INFO L87 Difference]: Start difference. First operand 580 states and 762 transitions. Second operand 3 states. [2020-07-21 16:36:40,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:36:40,974 INFO L93 Difference]: Finished difference Result 1440 states and 1957 transitions. [2020-07-21 16:36:40,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:36:40,977 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-07-21 16:36:40,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:36:40,990 INFO L225 Difference]: With dead ends: 1440 [2020-07-21 16:36:40,990 INFO L226 Difference]: Without dead ends: 866 [2020-07-21 16:36:40,992 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 137 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 16:36:40,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2020-07-21 16:36:41,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 866. [2020-07-21 16:36:41,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 866 states. [2020-07-21 16:36:41,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1139 transitions. [2020-07-21 16:36:41,047 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1139 transitions. Word has length 139 [2020-07-21 16:36:41,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:36:41,047 INFO L479 AbstractCegarLoop]: Abstraction has 866 states and 1139 transitions. [2020-07-21 16:36:41,048 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:36:41,048 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1139 transitions. [2020-07-21 16:36:41,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-07-21 16:36:41,052 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:36:41,052 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 16:36:41,261 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:36:41,262 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:36:41,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:36:41,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1888530915, now seen corresponding path program 1 times [2020-07-21 16:36:41,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:36:41,264 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1957783839] [2020-07-21 16:36:41,264 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 16:36:41,379 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:36:41,379 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:36:41,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:36:41,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:36:41,433 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:36:41,433 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:36:41,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1957783839] [2020-07-21 16:36:41,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:36:41,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:36:41,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217761565] [2020-07-21 16:36:41,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:36:41,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:36:41,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:36:41,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:36:41,436 INFO L87 Difference]: Start difference. First operand 866 states and 1139 transitions. Second operand 3 states. [2020-07-21 16:36:42,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:36:42,122 INFO L93 Difference]: Finished difference Result 1583 states and 2141 transitions. [2020-07-21 16:36:42,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:36:42,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-07-21 16:36:42,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:36:42,132 INFO L225 Difference]: With dead ends: 1583 [2020-07-21 16:36:42,132 INFO L226 Difference]: Without dead ends: 1581 [2020-07-21 16:36:42,133 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 153 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 16:36:42,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2020-07-21 16:36:42,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1295. [2020-07-21 16:36:42,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1295 states. [2020-07-21 16:36:42,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 1753 transitions. [2020-07-21 16:36:42,183 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 1753 transitions. Word has length 155 [2020-07-21 16:36:42,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:36:42,184 INFO L479 AbstractCegarLoop]: Abstraction has 1295 states and 1753 transitions. [2020-07-21 16:36:42,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:36:42,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1753 transitions. [2020-07-21 16:36:42,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-21 16:36:42,191 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:36:42,192 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:36:42,404 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:36:42,405 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:36:42,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:36:42,406 INFO L82 PathProgramCache]: Analyzing trace with hash 327417355, now seen corresponding path program 1 times [2020-07-21 16:36:42,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:36:42,407 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [571364662] [2020-07-21 16:36:42,407 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 16:36:42,531 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:36:42,532 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:36:42,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:36:42,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:36:42,600 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 177 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:36:42,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:36:42,736 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 177 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:36:42,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [571364662] [2020-07-21 16:36:42,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 16:36:42,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 16:36:42,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715648910] [2020-07-21 16:36:42,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 16:36:42,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:36:42,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 16:36:42,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 16:36:42,739 INFO L87 Difference]: Start difference. First operand 1295 states and 1753 transitions. Second operand 7 states. [2020-07-21 16:36:44,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:36:44,218 INFO L93 Difference]: Finished difference Result 3506 states and 4847 transitions. [2020-07-21 16:36:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 16:36:44,219 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 212 [2020-07-21 16:36:44,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:36:44,235 INFO L225 Difference]: With dead ends: 3506 [2020-07-21 16:36:44,236 INFO L226 Difference]: Without dead ends: 1627 [2020-07-21 16:36:44,243 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 419 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-07-21 16:36:44,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1627 states. [2020-07-21 16:36:44,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1627 to 1599. [2020-07-21 16:36:44,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1599 states. [2020-07-21 16:36:44,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1599 states and 1888 transitions. [2020-07-21 16:36:44,341 INFO L78 Accepts]: Start accepts. Automaton has 1599 states and 1888 transitions. Word has length 212 [2020-07-21 16:36:44,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:36:44,342 INFO L479 AbstractCegarLoop]: Abstraction has 1599 states and 1888 transitions. [2020-07-21 16:36:44,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 16:36:44,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 1888 transitions. [2020-07-21 16:36:44,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-07-21 16:36:44,347 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:36:44,348 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:36:44,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:36:44,561 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:36:44,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:36:44,563 INFO L82 PathProgramCache]: Analyzing trace with hash 582787757, now seen corresponding path program 1 times [2020-07-21 16:36:44,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:36:44,563 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [939583964] [2020-07-21 16:36:44,564 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 16:36:44,679 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:36:44,679 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:36:44,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:36:44,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:36:44,756 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 174 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:36:44,756 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:36:44,865 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 174 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:36:44,866 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [939583964] [2020-07-21 16:36:44,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 16:36:44,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 16:36:44,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251679851] [2020-07-21 16:36:44,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 16:36:44,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:36:44,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 16:36:44,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 16:36:44,869 INFO L87 Difference]: Start difference. First operand 1599 states and 1888 transitions. Second operand 6 states. [2020-07-21 16:36:45,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:36:45,809 INFO L93 Difference]: Finished difference Result 3514 states and 4215 transitions. [2020-07-21 16:36:45,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 16:36:45,810 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 228 [2020-07-21 16:36:45,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:36:45,819 INFO L225 Difference]: With dead ends: 3514 [2020-07-21 16:36:45,819 INFO L226 Difference]: Without dead ends: 1917 [2020-07-21 16:36:45,823 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 450 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 16:36:45,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2020-07-21 16:36:45,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1764. [2020-07-21 16:36:45,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1764 states. [2020-07-21 16:36:45,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1764 states and 2102 transitions. [2020-07-21 16:36:45,872 INFO L78 Accepts]: Start accepts. Automaton has 1764 states and 2102 transitions. Word has length 228 [2020-07-21 16:36:45,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:36:45,872 INFO L479 AbstractCegarLoop]: Abstraction has 1764 states and 2102 transitions. [2020-07-21 16:36:45,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 16:36:45,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 2102 transitions. [2020-07-21 16:36:45,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-07-21 16:36:45,878 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:36:45,878 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:36:46,091 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:36:46,092 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:36:46,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:36:46,093 INFO L82 PathProgramCache]: Analyzing trace with hash 827278185, now seen corresponding path program 1 times [2020-07-21 16:36:46,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:36:46,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [341102665] [2020-07-21 16:36:46,094 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 16:36:46,200 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:36:46,200 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:36:46,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:36:46,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:36:46,291 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-07-21 16:36:46,291 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:36:46,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [341102665] [2020-07-21 16:36:46,292 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:36:46,292 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:36:46,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181006360] [2020-07-21 16:36:46,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:36:46,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:36:46,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:36:46,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:36:46,294 INFO L87 Difference]: Start difference. First operand 1764 states and 2102 transitions. Second operand 3 states. [2020-07-21 16:36:46,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:36:46,951 INFO L93 Difference]: Finished difference Result 4104 states and 4964 transitions. [2020-07-21 16:36:46,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:36:46,956 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2020-07-21 16:36:46,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:36:46,968 INFO L225 Difference]: With dead ends: 4104 [2020-07-21 16:36:46,969 INFO L226 Difference]: Without dead ends: 2344 [2020-07-21 16:36:46,974 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 243 SyntacticMatches, 1 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 16:36:46,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2344 states. [2020-07-21 16:36:47,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2344 to 2344. [2020-07-21 16:36:47,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2344 states. [2020-07-21 16:36:47,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 2344 states and 2774 transitions. [2020-07-21 16:36:47,034 INFO L78 Accepts]: Start accepts. Automaton has 2344 states and 2774 transitions. Word has length 246 [2020-07-21 16:36:47,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:36:47,034 INFO L479 AbstractCegarLoop]: Abstraction has 2344 states and 2774 transitions. [2020-07-21 16:36:47,035 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:36:47,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2344 states and 2774 transitions. [2020-07-21 16:36:47,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-07-21 16:36:47,041 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:36:47,042 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:36:47,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:36:47,257 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:36:47,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:36:47,257 INFO L82 PathProgramCache]: Analyzing trace with hash -207320917, now seen corresponding path program 1 times [2020-07-21 16:36:47,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:36:47,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1528141932] [2020-07-21 16:36:47,258 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 16:36:47,369 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:36:47,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:36:47,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:36:47,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:36:47,476 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-07-21 16:36:47,476 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:36:47,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1528141932] [2020-07-21 16:36:47,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:36:47,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:36:47,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902409098] [2020-07-21 16:36:47,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:36:47,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:36:47,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:36:47,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:36:47,479 INFO L87 Difference]: Start difference. First operand 2344 states and 2774 transitions. Second operand 3 states. [2020-07-21 16:36:48,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:36:48,082 INFO L93 Difference]: Finished difference Result 5117 states and 6142 transitions. [2020-07-21 16:36:48,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:36:48,082 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 256 [2020-07-21 16:36:48,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:36:48,092 INFO L225 Difference]: With dead ends: 5117 [2020-07-21 16:36:48,092 INFO L226 Difference]: Without dead ends: 2777 [2020-07-21 16:36:48,098 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 254 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 16:36:48,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2777 states. [2020-07-21 16:36:48,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2777 to 2777. [2020-07-21 16:36:48,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2777 states. [2020-07-21 16:36:48,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2777 states and 3353 transitions. [2020-07-21 16:36:48,165 INFO L78 Accepts]: Start accepts. Automaton has 2777 states and 3353 transitions. Word has length 256 [2020-07-21 16:36:48,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:36:48,165 INFO L479 AbstractCegarLoop]: Abstraction has 2777 states and 3353 transitions. [2020-07-21 16:36:48,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:36:48,166 INFO L276 IsEmpty]: Start isEmpty. Operand 2777 states and 3353 transitions. [2020-07-21 16:36:48,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-07-21 16:36:48,175 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:36:48,176 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:36:48,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:36:48,390 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:36:48,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:36:48,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1255503282, now seen corresponding path program 1 times [2020-07-21 16:36:48,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:36:48,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [634396128] [2020-07-21 16:36:48,392 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 16:36:48,535 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:36:48,536 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:36:48,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:36:48,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:36:48,664 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 200 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:36:48,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:36:48,821 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 200 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:36:48,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [634396128] [2020-07-21 16:36:48,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 16:36:48,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 16:36:48,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421326802] [2020-07-21 16:36:48,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 16:36:48,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:36:48,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 16:36:48,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 16:36:48,824 INFO L87 Difference]: Start difference. First operand 2777 states and 3353 transitions. Second operand 7 states. [2020-07-21 16:36:50,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:36:50,352 INFO L93 Difference]: Finished difference Result 5449 states and 6677 transitions. [2020-07-21 16:36:50,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 16:36:50,353 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 297 [2020-07-21 16:36:50,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:36:50,366 INFO L225 Difference]: With dead ends: 5449 [2020-07-21 16:36:50,367 INFO L226 Difference]: Without dead ends: 2821 [2020-07-21 16:36:50,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 592 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-07-21 16:36:50,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2821 states. [2020-07-21 16:36:50,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2821 to 2648. [2020-07-21 16:36:50,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2648 states. [2020-07-21 16:36:50,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2648 states to 2648 states and 2990 transitions. [2020-07-21 16:36:50,441 INFO L78 Accepts]: Start accepts. Automaton has 2648 states and 2990 transitions. Word has length 297 [2020-07-21 16:36:50,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:36:50,442 INFO L479 AbstractCegarLoop]: Abstraction has 2648 states and 2990 transitions. [2020-07-21 16:36:50,442 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 16:36:50,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2648 states and 2990 transitions. [2020-07-21 16:36:50,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2020-07-21 16:36:50,452 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:36:50,452 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 16:36:50,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:36:50,667 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:36:50,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:36:50,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1088611893, now seen corresponding path program 1 times [2020-07-21 16:36:50,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:36:50,668 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1522382263] [2020-07-21 16:36:50,669 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:36:50,808 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:36:50,808 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:36:50,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:36:50,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:36:50,891 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-07-21 16:36:50,891 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:36:50,891 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1522382263] [2020-07-21 16:36:50,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:36:50,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:36:50,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485162885] [2020-07-21 16:36:50,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:36:50,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:36:50,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:36:50,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:36:50,893 INFO L87 Difference]: Start difference. First operand 2648 states and 2990 transitions. Second operand 3 states. [2020-07-21 16:36:51,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:36:51,250 INFO L93 Difference]: Finished difference Result 2648 states and 2990 transitions. [2020-07-21 16:36:51,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:36:51,252 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 316 [2020-07-21 16:36:51,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:36:51,253 INFO L225 Difference]: With dead ends: 2648 [2020-07-21 16:36:51,254 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 16:36:51,258 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 314 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 16:36:51,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 16:36:51,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 16:36:51,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 16:36:51,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 16:36:51,259 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 316 [2020-07-21 16:36:51,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:36:51,259 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 16:36:51,260 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:36:51,260 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 16:36:51,260 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 16:36:51,472 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:36:51,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 16:36:52,585 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 63 [2020-07-21 16:36:52,749 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 34 [2020-07-21 16:36:52,896 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 34 [2020-07-21 16:36:52,900 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 16:36:52,900 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a10~0 |old(~a10~0)|) (<= |old(~a10~0)| ~a10~0) (<= ~a19~0 |old(~a19~0)|)) [2020-07-21 16:36:52,901 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 16:36:52,901 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-21 16:36:52,901 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,901 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,901 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,901 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,901 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,901 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,901 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-21 16:36:52,901 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-21 16:36:52,902 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-21 16:36:52,902 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-21 16:36:52,902 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-21 16:36:52,902 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-21 16:36:52,902 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-21 16:36:52,902 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-21 16:36:52,902 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-21 16:36:52,902 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-21 16:36:52,902 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-21 16:36:52,902 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,903 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,903 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,903 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,903 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,903 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-21 16:36:52,903 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-21 16:36:52,903 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-21 16:36:52,904 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-21 16:36:52,904 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-21 16:36:52,904 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-21 16:36:52,904 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-21 16:36:52,904 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-21 16:36:52,904 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-21 16:36:52,904 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-21 16:36:52,904 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-21 16:36:52,905 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-21 16:36:52,905 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-21 16:36:52,905 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 166) no Hoare annotation was computed. [2020-07-21 16:36:52,905 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-21 16:36:52,905 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,905 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,905 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,905 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,905 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,905 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-21 16:36:52,905 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-21 16:36:52,906 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-21 16:36:52,906 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-21 16:36:52,906 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-21 16:36:52,906 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-21 16:36:52,906 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-21 16:36:52,906 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-21 16:36:52,906 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-21 16:36:52,906 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-21 16:36:52,906 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,906 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,907 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,907 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,907 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,907 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-21 16:36:52,907 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-21 16:36:52,907 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-21 16:36:52,907 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-21 16:36:52,907 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-21 16:36:52,907 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-21 16:36:52,908 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-21 16:36:52,908 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-21 16:36:52,908 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-21 16:36:52,908 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-21 16:36:52,908 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-21 16:36:52,908 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-21 16:36:52,908 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-21 16:36:52,908 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,909 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,909 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,909 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,909 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,909 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-21 16:36:52,909 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-21 16:36:52,909 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-21 16:36:52,909 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-21 16:36:52,910 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-21 16:36:52,910 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-21 16:36:52,910 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-21 16:36:52,910 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-21 16:36:52,910 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-21 16:36:52,910 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,910 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,910 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,910 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,910 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,911 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,911 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,911 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-21 16:36:52,911 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-21 16:36:52,911 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-21 16:36:52,911 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-21 16:36:52,911 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-21 16:36:52,911 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-21 16:36:52,911 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-21 16:36:52,911 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-21 16:36:52,911 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-21 16:36:52,911 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-21 16:36:52,912 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-21 16:36:52,912 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-21 16:36:52,912 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-21 16:36:52,912 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,912 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,912 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,912 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,912 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-21 16:36:52,913 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,913 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,913 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-21 16:36:52,913 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-21 16:36:52,913 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-21 16:36:52,913 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-21 16:36:52,913 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-21 16:36:52,913 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-21 16:36:52,913 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-21 16:36:52,913 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-21 16:36:52,914 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-21 16:36:52,914 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-21 16:36:52,914 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-21 16:36:52,914 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-21 16:36:52,914 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-21 16:36:52,914 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,914 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,914 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,914 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,915 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,915 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,915 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-21 16:36:52,915 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-21 16:36:52,915 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-21 16:36:52,915 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-21 16:36:52,915 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-21 16:36:52,915 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-21 16:36:52,915 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 16:36:52,915 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-21 16:36:52,916 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-21 16:36:52,916 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-21 16:36:52,916 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-21 16:36:52,916 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse7 (<= ~a10~0 |old(~a10~0)|)) (.cse10 (<= |old(~a10~0)| ~a10~0)) (.cse11 (<= ~a19~0 |old(~a19~0)|))) (let ((.cse1 (not (<= 9 |old(~a19~0)|))) (.cse2 (<= 9 ~a19~0)) (.cse5 (not (< 218 |old(~a1~0)|))) (.cse6 (< 218 ~a1~0)) (.cse4 (not (<= |old(~a10~0)| 1))) (.cse9 (not (< |old(~a19~0)| 10))) (.cse0 (not (<= |old(~a1~0)| 23))) (.cse3 (<= ~a1~0 23)) (.cse8 (not (<= |old(~a19~0)| 8))) (.cse12 (not (<= 8 |old(~a19~0)|))) (.cse13 (and .cse7 (<= 8 ~a19~0) .cse10 .cse11))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4) (or .cse5 .cse6 .cse4) (or .cse7 .cse8 (not (<= |old(~a10~0)| 2))) (or (not (< 1 |old(~a10~0)|)) .cse9 .cse1 (and .cse2 .cse7 .cse10 (< ~a19~0 10))) (or .cse5 .cse8 (and .cse7 .cse11)) (or .cse5 .cse9 .cse6) (or .cse0 .cse8 .cse11) (or .cse12 .cse13 .cse4) (or (not (<= |old(~a10~0)| 3)) .cse8 (and .cse11 (<= ~a10~0 3))) (or .cse9 .cse0 .cse3) (or (not (<= 4 |old(~a10~0)|)) .cse8 .cse12 .cse13)))) [2020-07-21 16:36:52,916 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-21 16:36:52,916 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-21 16:36:52,916 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-21 16:36:52,917 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,917 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,917 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,917 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,917 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,917 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,917 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-21 16:36:52,917 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-21 16:36:52,917 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-21 16:36:52,918 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-21 16:36:52,918 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-21 16:36:52,918 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-21 16:36:52,918 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-21 16:36:52,918 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-21 16:36:52,918 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-21 16:36:52,918 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-21 16:36:52,918 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-21 16:36:52,919 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-21 16:36:52,919 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-21 16:36:52,919 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,919 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,919 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,919 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,919 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,919 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,919 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-21 16:36:52,920 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-21 16:36:52,920 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-21 16:36:52,920 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-21 16:36:52,920 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-21 16:36:52,920 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-21 16:36:52,920 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-21 16:36:52,920 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-21 16:36:52,920 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-21 16:36:52,920 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-21 16:36:52,920 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-21 16:36:52,920 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-21 16:36:52,920 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,921 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,921 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,921 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,921 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,921 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 16:36:52,921 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-21 16:36:52,921 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-21 16:36:52,921 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-21 16:36:52,921 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-21 16:36:52,921 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-21 16:36:52,921 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-21 16:36:52,921 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-21 16:36:52,921 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-21 16:36:52,921 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-21 16:36:52,922 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-21 16:36:52,922 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-21 16:36:52,922 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-21 16:36:52,922 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 16:36:52,922 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 9 ~a19~0) (<= ~a1~0 23) (< ~a19~0 10)) [2020-07-21 16:36:52,922 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 16:36:52,922 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 16:36:52,922 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (<= 9 ~a19~0) (<= ~a10~0 |old(~a10~0)|) (<= ~a1~0 23) (<= |old(~a10~0)| ~a10~0) (< ~a19~0 10)) (not (< |old(~a19~0)| 10)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|))) [2020-07-21 16:36:52,922 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-21 16:36:52,922 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8))) (or (<= ~a10~0 1) (not (< |old(~a19~0)| 10)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (and .cse0 (< 218 ~a1~0)) (not (<= 9 |old(~a19~0)|)) (and .cse0 (<= ~a10~0 3)) (and (<= 8 ~a19~0) (< ~a19~0 10)) (and .cse0 (<= ~a1~0 23)))) [2020-07-21 16:36:52,923 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-21 16:36:52,923 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-21 16:36:52,923 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8))) (or (<= ~a10~0 1) (not (< |old(~a19~0)| 10)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (and .cse0 (< 218 ~a1~0)) (not (<= 9 |old(~a19~0)|)) (and .cse0 (<= ~a10~0 3)) (and (<= 8 ~a19~0) (< ~a19~0 10)) (and .cse0 (<= ~a1~0 23)))) [2020-07-21 16:36:52,923 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-21 16:36:52,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 04:36:52 BoogieIcfgContainer [2020-07-21 16:36:52,940 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 16:36:52,942 INFO L168 Benchmark]: Toolchain (without parser) took 18092.45 ms. Allocated memory was 147.3 MB in the beginning and 493.9 MB in the end (delta: 346.6 MB). Free memory was 102.0 MB in the beginning and 217.7 MB in the end (delta: -115.7 MB). Peak memory consumption was 230.9 MB. Max. memory is 7.1 GB. [2020-07-21 16:36:52,943 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 147.3 MB. Free memory is still 121.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 16:36:52,944 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.68 ms. Allocated memory was 147.3 MB in the beginning and 207.1 MB in the end (delta: 59.8 MB). Free memory was 101.6 MB in the beginning and 172.8 MB in the end (delta: -71.3 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. [2020-07-21 16:36:52,944 INFO L168 Benchmark]: Boogie Preprocessor took 109.81 ms. Allocated memory is still 207.1 MB. Free memory was 172.8 MB in the beginning and 167.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-21 16:36:52,945 INFO L168 Benchmark]: RCFGBuilder took 1344.40 ms. Allocated memory was 207.1 MB in the beginning and 237.0 MB in the end (delta: 29.9 MB). Free memory was 167.9 MB in the beginning and 177.5 MB in the end (delta: -9.6 MB). Peak memory consumption was 79.2 MB. Max. memory is 7.1 GB. [2020-07-21 16:36:52,946 INFO L168 Benchmark]: TraceAbstraction took 15923.95 ms. Allocated memory was 237.0 MB in the beginning and 493.9 MB in the end (delta: 256.9 MB). Free memory was 177.5 MB in the beginning and 217.7 MB in the end (delta: -40.2 MB). Peak memory consumption was 216.7 MB. Max. memory is 7.1 GB. [2020-07-21 16:36:52,950 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 147.3 MB. Free memory is still 121.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 706.68 ms. Allocated memory was 147.3 MB in the beginning and 207.1 MB in the end (delta: 59.8 MB). Free memory was 101.6 MB in the beginning and 172.8 MB in the end (delta: -71.3 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.81 ms. Allocated memory is still 207.1 MB. Free memory was 172.8 MB in the beginning and 167.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1344.40 ms. Allocated memory was 207.1 MB in the beginning and 237.0 MB in the end (delta: 29.9 MB). Free memory was 167.9 MB in the beginning and 177.5 MB in the end (delta: -9.6 MB). Peak memory consumption was 79.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15923.95 ms. Allocated memory was 237.0 MB in the beginning and 493.9 MB in the end (delta: 256.9 MB). Free memory was 177.5 MB in the beginning and 217.7 MB in the end (delta: -40.2 MB). Peak memory consumption was 216.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 166]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((a10 <= 1 || !(\old(a19) < 10)) || !(\old(a1) <= 23)) || !(\old(a10) <= 0)) || (a19 <= 8 && 218 < a1)) || !(9 <= \old(a19))) || (a19 <= 8 && a10 <= 3)) || (8 <= a19 && a19 < 10)) || (a19 <= 8 && a1 <= 23) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.3s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 9.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 560 SDtfs, 2211 SDslu, 182 SDs, 0 SdLazy, 5324 SolverSat, 1006 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2791 GetRequests, 2752 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2777occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 640 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 104 PreInvPairs, 160 NumberOfFragments, 340 HoareAnnotationTreeSize, 104 FomulaSimplifications, 2317 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1568 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2043 NumberOfCodeBlocks, 2043 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2767 ConstructedInterpolants, 0 QuantifiedInterpolants, 1424479 SizeOfPredicates, 15 NumberOfNonLiveVariables, 3602 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 1861/1873 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...