/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 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label14.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 17:26:19,416 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-20 17:26:19,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 17:26:19,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 17:26:19,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 17:26:19,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 17:26:19,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 17:26:19,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 17:26:19,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 17:26:19,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 17:26:19,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 17:26:19,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 17:26:19,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 17:26:19,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 17:26:19,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 17:26:19,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 17:26:19,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 17:26:19,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 17:26:19,503 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 [2020-07-20 17:26:19,537 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 17:26:19,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 17:26:19,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 17:26:19,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 17:26:19,539 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 17:26:19,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 17:26:19,540 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 17:26:19,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 17:26:19,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 17:26:19,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 17:26:19,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 17:26:19,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 17:26:19,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 17:26:19,541 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 17:26:19,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 17:26:19,541 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 17:26:19,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 17:26:19,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 17:26:19,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 17:26:19,542 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 17:26:19,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 17:26:19,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 17:26:19,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 17:26:19,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 17:26:19,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 17:26:19,543 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 17:26:19,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:19,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 17:26:19,544 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 17:26:19,544 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 -> 4 [2020-07-20 17:26:19,820 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 17:26:19,834 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 17:26:19,837 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 17:26:19,839 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 17:26:19,839 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 17:26:19,840 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2020-07-20 17:26:19,919 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88ae238b5/4e8c09b93ff445c483ec1557a7881083/FLAG70c90808b [2020-07-20 17:26:20,514 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 17:26:20,515 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2020-07-20 17:26:20,530 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88ae238b5/4e8c09b93ff445c483ec1557a7881083/FLAG70c90808b [2020-07-20 17:26:20,754 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88ae238b5/4e8c09b93ff445c483ec1557a7881083 [2020-07-20 17:26:20,764 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 17:26:20,766 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 17:26:20,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 17:26:20,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 17:26:20,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 17:26:20,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:26:20" (1/1) ... [2020-07-20 17:26:20,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c103956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:26:20, skipping insertion in model container [2020-07-20 17:26:20,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:26:20" (1/1) ... [2020-07-20 17:26:20,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 17:26:20,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 17:26:21,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 17:26:21,280 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 17:26:21,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 17:26:21,515 INFO L208 MainTranslator]: Completed translation [2020-07-20 17:26:21,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:26:21 WrapperNode [2020-07-20 17:26:21,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 17:26:21,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 17:26:21,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 17:26:21,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 17:26:21,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:26:21" (1/1) ... [2020-07-20 17:26:21,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:26:21" (1/1) ... [2020-07-20 17:26:21,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:26:21" (1/1) ... [2020-07-20 17:26:21,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:26:21" (1/1) ... [2020-07-20 17:26:21,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:26:21" (1/1) ... [2020-07-20 17:26:21,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:26:21" (1/1) ... [2020-07-20 17:26:21,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:26:21" (1/1) ... [2020-07-20 17:26:21,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 17:26:21,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 17:26:21,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 17:26:21,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 17:26:21,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:26:21" (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 [2020-07-20 17:26:21,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 17:26:21,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 17:26:21,713 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 17:26:21,713 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 17:26:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 17:26:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 17:26:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 17:26:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 17:26:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 17:26:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 17:26:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 17:26:22,975 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 17:26:22,975 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 17:26:22,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:26:22 BoogieIcfgContainer [2020-07-20 17:26:22,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 17:26:22,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 17:26:22,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 17:26:22,993 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 17:26:22,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:26:20" (1/3) ... [2020-07-20 17:26:22,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f4e3ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:26:22, skipping insertion in model container [2020-07-20 17:26:22,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:26:21" (2/3) ... [2020-07-20 17:26:22,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f4e3ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:26:22, skipping insertion in model container [2020-07-20 17:26:22,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:26:22" (3/3) ... [2020-07-20 17:26:23,000 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label14.c [2020-07-20 17:26:23,013 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 17:26:23,027 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 17:26:23,042 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 17:26:23,071 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 17:26:23,072 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 17:26:23,072 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 17:26:23,072 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 17:26:23,072 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 17:26:23,073 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 17:26:23,073 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 17:26:23,073 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 17:26:23,100 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-20 17:26:23,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-20 17:26:23,116 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:26:23,117 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:26:23,118 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:26:23,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:26:23,126 INFO L82 PathProgramCache]: Analyzing trace with hash -871643495, now seen corresponding path program 1 times [2020-07-20 17:26:23,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:26:23,138 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [3694265] [2020-07-20 17:26:23,139 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:23,321 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:26:23,322 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:26:23,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 17:26:23,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:26:23,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:26:23,443 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:26:23,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [3694265] [2020-07-20 17:26:23,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:26:23,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:26:23,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270372206] [2020-07-20 17:26:23,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:26:23,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:26:23,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:26:23,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:26:23,482 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2020-07-20 17:26:24,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:26:24,515 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2020-07-20 17:26:24,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:26:24,517 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-07-20 17:26:24,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:26:24,545 INFO L225 Difference]: With dead ends: 615 [2020-07-20 17:26:24,546 INFO L226 Difference]: Without dead ends: 317 [2020-07-20 17:26:24,558 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:26:24,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-07-20 17:26:24,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2020-07-20 17:26:24,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2020-07-20 17:26:24,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 478 transitions. [2020-07-20 17:26:24,685 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 478 transitions. Word has length 123 [2020-07-20 17:26:24,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:26:24,686 INFO L479 AbstractCegarLoop]: Abstraction has 317 states and 478 transitions. [2020-07-20 17:26:24,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:26:24,687 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 478 transitions. [2020-07-20 17:26:24,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-20 17:26:24,701 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:26:24,702 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:26:24,916 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:24,917 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:26:24,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:26:24,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1925797076, now seen corresponding path program 1 times [2020-07-20 17:26:24,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:26:24,919 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [406876960] [2020-07-20 17:26:24,919 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:25,025 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:26:25,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:26:25,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:26:25,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:26:25,092 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:26:25,092 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:26:25,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [406876960] [2020-07-20 17:26:25,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:26:25,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:26:25,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772615662] [2020-07-20 17:26:25,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:26:25,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:26:25,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:26:25,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:26:25,097 INFO L87 Difference]: Start difference. First operand 317 states and 478 transitions. Second operand 3 states. [2020-07-20 17:26:25,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:26:25,724 INFO L93 Difference]: Finished difference Result 919 states and 1406 transitions. [2020-07-20 17:26:25,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:26:25,728 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-07-20 17:26:25,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:26:25,737 INFO L225 Difference]: With dead ends: 919 [2020-07-20 17:26:25,737 INFO L226 Difference]: Without dead ends: 608 [2020-07-20 17:26:25,740 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:26:25,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2020-07-20 17:26:25,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 462. [2020-07-20 17:26:25,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-07-20 17:26:25,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 642 transitions. [2020-07-20 17:26:25,790 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 642 transitions. Word has length 138 [2020-07-20 17:26:25,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:26:25,793 INFO L479 AbstractCegarLoop]: Abstraction has 462 states and 642 transitions. [2020-07-20 17:26:25,793 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:26:25,793 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 642 transitions. [2020-07-20 17:26:25,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-20 17:26:25,801 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:26:25,801 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:26:26,015 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:26,016 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:26:26,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:26:26,016 INFO L82 PathProgramCache]: Analyzing trace with hash -295293823, now seen corresponding path program 1 times [2020-07-20 17:26:26,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:26:26,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1988364614] [2020-07-20 17:26:26,019 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:26,162 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:26:26,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:26:26,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:26:26,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:26:26,212 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:26:26,212 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:26:26,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1988364614] [2020-07-20 17:26:26,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:26:26,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:26:26,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328444267] [2020-07-20 17:26:26,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:26:26,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:26:26,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:26:26,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:26:26,215 INFO L87 Difference]: Start difference. First operand 462 states and 642 transitions. Second operand 3 states. [2020-07-20 17:26:26,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:26:26,866 INFO L93 Difference]: Finished difference Result 1209 states and 1740 transitions. [2020-07-20 17:26:26,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:26:26,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2020-07-20 17:26:26,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:26:26,873 INFO L225 Difference]: With dead ends: 1209 [2020-07-20 17:26:26,873 INFO L226 Difference]: Without dead ends: 753 [2020-07-20 17:26:26,875 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:26:26,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2020-07-20 17:26:26,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 609. [2020-07-20 17:26:26,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2020-07-20 17:26:26,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 820 transitions. [2020-07-20 17:26:26,912 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 820 transitions. Word has length 145 [2020-07-20 17:26:26,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:26:26,913 INFO L479 AbstractCegarLoop]: Abstraction has 609 states and 820 transitions. [2020-07-20 17:26:26,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:26:26,914 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 820 transitions. [2020-07-20 17:26:26,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-20 17:26:26,921 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:26:26,921 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:26:27,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:27,123 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:26:27,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:26:27,123 INFO L82 PathProgramCache]: Analyzing trace with hash -2124265719, now seen corresponding path program 1 times [2020-07-20 17:26:27,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:26:27,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1146240637] [2020-07-20 17:26:27,125 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:27,243 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:26:27,244 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:26:27,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:26:27,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:26:27,293 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:26:27,293 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:26:27,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1146240637] [2020-07-20 17:26:27,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:26:27,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:26:27,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833919441] [2020-07-20 17:26:27,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:26:27,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:26:27,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:26:27,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:26:27,296 INFO L87 Difference]: Start difference. First operand 609 states and 820 transitions. Second operand 3 states. [2020-07-20 17:26:27,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:26:27,932 INFO L93 Difference]: Finished difference Result 1505 states and 2105 transitions. [2020-07-20 17:26:27,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:26:27,936 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2020-07-20 17:26:27,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:26:27,946 INFO L225 Difference]: With dead ends: 1505 [2020-07-20 17:26:27,946 INFO L226 Difference]: Without dead ends: 902 [2020-07-20 17:26:27,949 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:26:27,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2020-07-20 17:26:27,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 756. [2020-07-20 17:26:27,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 756 states. [2020-07-20 17:26:27,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 988 transitions. [2020-07-20 17:26:27,985 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 988 transitions. Word has length 149 [2020-07-20 17:26:27,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:26:27,988 INFO L479 AbstractCegarLoop]: Abstraction has 756 states and 988 transitions. [2020-07-20 17:26:27,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:26:27,988 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 988 transitions. [2020-07-20 17:26:27,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-20 17:26:27,993 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:26:27,994 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:26:28,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:28,207 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:26:28,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:26:28,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1399604522, now seen corresponding path program 1 times [2020-07-20 17:26:28,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:26:28,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [846137953] [2020-07-20 17:26:28,209 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:28,335 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:26:28,335 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:26:28,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:26:28,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:26:28,434 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:26:28,434 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:26:28,567 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:26:28,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [846137953] [2020-07-20 17:26:28,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:26:28,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 17:26:28,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989904742] [2020-07-20 17:26:28,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 17:26:28,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:26:28,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 17:26:28,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 17:26:28,571 INFO L87 Difference]: Start difference. First operand 756 states and 988 transitions. Second operand 7 states. [2020-07-20 17:26:29,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:26:29,595 INFO L93 Difference]: Finished difference Result 1824 states and 2492 transitions. [2020-07-20 17:26:29,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 17:26:29,595 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 174 [2020-07-20 17:26:29,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:26:29,601 INFO L225 Difference]: With dead ends: 1824 [2020-07-20 17:26:29,602 INFO L226 Difference]: Without dead ends: 1074 [2020-07-20 17:26:29,604 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 342 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-20 17:26:29,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2020-07-20 17:26:29,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 920. [2020-07-20 17:26:29,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2020-07-20 17:26:29,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1204 transitions. [2020-07-20 17:26:29,636 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1204 transitions. Word has length 174 [2020-07-20 17:26:29,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:26:29,637 INFO L479 AbstractCegarLoop]: Abstraction has 920 states and 1204 transitions. [2020-07-20 17:26:29,637 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 17:26:29,637 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1204 transitions. [2020-07-20 17:26:29,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-07-20 17:26:29,641 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:26:29,641 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:26:29,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:29,856 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:26:29,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:26:29,857 INFO L82 PathProgramCache]: Analyzing trace with hash 869514523, now seen corresponding path program 1 times [2020-07-20 17:26:29,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:26:29,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1173790708] [2020-07-20 17:26:29,858 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:29,976 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:26:29,977 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:26:29,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 17:26:29,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:26:30,027 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-07-20 17:26:30,028 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:26:30,094 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 58 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-20 17:26:30,095 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1173790708] [2020-07-20 17:26:30,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:26:30,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 17:26:30,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139646169] [2020-07-20 17:26:30,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 17:26:30,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:26:30,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 17:26:30,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 17:26:30,097 INFO L87 Difference]: Start difference. First operand 920 states and 1204 transitions. Second operand 7 states. [2020-07-20 17:26:31,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:26:31,665 INFO L93 Difference]: Finished difference Result 3366 states and 4682 transitions. [2020-07-20 17:26:31,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 17:26:31,666 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 182 [2020-07-20 17:26:31,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:26:31,681 INFO L225 Difference]: With dead ends: 3366 [2020-07-20 17:26:31,681 INFO L226 Difference]: Without dead ends: 2452 [2020-07-20 17:26:31,685 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-20 17:26:31,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2452 states. [2020-07-20 17:26:31,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2452 to 2444. [2020-07-20 17:26:31,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2444 states. [2020-07-20 17:26:31,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2444 states and 3109 transitions. [2020-07-20 17:26:31,761 INFO L78 Accepts]: Start accepts. Automaton has 2444 states and 3109 transitions. Word has length 182 [2020-07-20 17:26:31,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:26:31,761 INFO L479 AbstractCegarLoop]: Abstraction has 2444 states and 3109 transitions. [2020-07-20 17:26:31,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 17:26:31,762 INFO L276 IsEmpty]: Start isEmpty. Operand 2444 states and 3109 transitions. [2020-07-20 17:26:31,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-07-20 17:26:31,773 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:26:31,773 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:26:31,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:31,987 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:26:31,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:26:31,987 INFO L82 PathProgramCache]: Analyzing trace with hash -307383145, now seen corresponding path program 1 times [2020-07-20 17:26:31,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:26:31,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [320041564] [2020-07-20 17:26:31,989 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:32,096 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:26:32,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:26:32,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:26:32,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:26:32,182 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:26:32,182 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:26:32,183 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [320041564] [2020-07-20 17:26:32,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:26:32,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:26:32,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032820183] [2020-07-20 17:26:32,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:26:32,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:26:32,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:26:32,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:26:32,185 INFO L87 Difference]: Start difference. First operand 2444 states and 3109 transitions. Second operand 3 states. [2020-07-20 17:26:32,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:26:32,873 INFO L93 Difference]: Finished difference Result 7129 states and 9243 transitions. [2020-07-20 17:26:32,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:26:32,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2020-07-20 17:26:32,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:26:32,901 INFO L225 Difference]: With dead ends: 7129 [2020-07-20 17:26:32,902 INFO L226 Difference]: Without dead ends: 4695 [2020-07-20 17:26:32,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:26:32,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4695 states. [2020-07-20 17:26:33,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4695 to 4546. [2020-07-20 17:26:33,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4546 states. [2020-07-20 17:26:33,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4546 states to 4546 states and 5795 transitions. [2020-07-20 17:26:33,072 INFO L78 Accepts]: Start accepts. Automaton has 4546 states and 5795 transitions. Word has length 181 [2020-07-20 17:26:33,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:26:33,072 INFO L479 AbstractCegarLoop]: Abstraction has 4546 states and 5795 transitions. [2020-07-20 17:26:33,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:26:33,073 INFO L276 IsEmpty]: Start isEmpty. Operand 4546 states and 5795 transitions. [2020-07-20 17:26:33,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-20 17:26:33,100 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:26:33,100 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:26:33,315 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:33,316 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:26:33,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:26:33,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1619189299, now seen corresponding path program 1 times [2020-07-20 17:26:33,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:26:33,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1672966164] [2020-07-20 17:26:33,318 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:33,456 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:26:33,456 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:26:33,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 17:26:33,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:26:33,579 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-07-20 17:26:33,579 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:26:33,580 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1672966164] [2020-07-20 17:26:33,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:26:33,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 17:26:33,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894175138] [2020-07-20 17:26:33,581 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 17:26:33,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:26:33,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 17:26:33,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 17:26:33,582 INFO L87 Difference]: Start difference. First operand 4546 states and 5795 transitions. Second operand 5 states. [2020-07-20 17:26:34,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:26:34,393 INFO L93 Difference]: Finished difference Result 9048 states and 11366 transitions. [2020-07-20 17:26:34,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 17:26:34,393 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 212 [2020-07-20 17:26:34,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:26:34,417 INFO L225 Difference]: With dead ends: 9048 [2020-07-20 17:26:34,417 INFO L226 Difference]: Without dead ends: 4512 [2020-07-20 17:26:34,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-20 17:26:34,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4512 states. [2020-07-20 17:26:34,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4512 to 3312. [2020-07-20 17:26:34,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3312 states. [2020-07-20 17:26:34,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 3842 transitions. [2020-07-20 17:26:34,549 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 3842 transitions. Word has length 212 [2020-07-20 17:26:34,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:26:34,549 INFO L479 AbstractCegarLoop]: Abstraction has 3312 states and 3842 transitions. [2020-07-20 17:26:34,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 17:26:34,549 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 3842 transitions. [2020-07-20 17:26:34,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-07-20 17:26:34,564 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:26:34,564 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:26:34,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:34,778 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:26:34,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:26:34,779 INFO L82 PathProgramCache]: Analyzing trace with hash -548929934, now seen corresponding path program 1 times [2020-07-20 17:26:34,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:26:34,780 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [833055582] [2020-07-20 17:26:34,780 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:34,915 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:26:34,915 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:26:34,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:26:34,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:26:35,059 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 175 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-07-20 17:26:35,060 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:26:35,154 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 143 proven. 30 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-07-20 17:26:35,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [833055582] [2020-07-20 17:26:35,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:26:35,155 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-20 17:26:35,155 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135235773] [2020-07-20 17:26:35,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 17:26:35,156 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:26:35,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 17:26:35,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 17:26:35,157 INFO L87 Difference]: Start difference. First operand 3312 states and 3842 transitions. Second operand 6 states. [2020-07-20 17:26:35,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:26:35,665 INFO L93 Difference]: Finished difference Result 6357 states and 7526 transitions. [2020-07-20 17:26:35,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 17:26:35,666 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 228 [2020-07-20 17:26:35,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:26:35,680 INFO L225 Difference]: With dead ends: 6357 [2020-07-20 17:26:35,680 INFO L226 Difference]: Without dead ends: 3051 [2020-07-20 17:26:35,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 450 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 17:26:35,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3051 states. [2020-07-20 17:26:35,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3051 to 3003. [2020-07-20 17:26:35,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3003 states. [2020-07-20 17:26:35,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 3003 states and 3416 transitions. [2020-07-20 17:26:35,758 INFO L78 Accepts]: Start accepts. Automaton has 3003 states and 3416 transitions. Word has length 228 [2020-07-20 17:26:35,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:26:35,759 INFO L479 AbstractCegarLoop]: Abstraction has 3003 states and 3416 transitions. [2020-07-20 17:26:35,759 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 17:26:35,759 INFO L276 IsEmpty]: Start isEmpty. Operand 3003 states and 3416 transitions. [2020-07-20 17:26:35,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-07-20 17:26:35,767 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:26:35,768 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:26:35,980 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:35,981 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:26:35,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:26:35,981 INFO L82 PathProgramCache]: Analyzing trace with hash -726614399, now seen corresponding path program 1 times [2020-07-20 17:26:35,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:26:35,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1789258558] [2020-07-20 17:26:35,982 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:36,108 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:26:36,109 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:26:36,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 17:26:36,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:26:36,219 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-07-20 17:26:36,219 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:26:36,220 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1789258558] [2020-07-20 17:26:36,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:26:36,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:26:36,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717108566] [2020-07-20 17:26:36,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:26:36,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:26:36,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:26:36,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:26:36,221 INFO L87 Difference]: Start difference. First operand 3003 states and 3416 transitions. Second operand 3 states. [2020-07-20 17:26:36,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:26:36,784 INFO L93 Difference]: Finished difference Result 7314 states and 8414 transitions. [2020-07-20 17:26:36,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:26:36,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 229 [2020-07-20 17:26:36,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:26:36,786 INFO L225 Difference]: With dead ends: 7314 [2020-07-20 17:26:36,787 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 17:26:36,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:26:36,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 17:26:36,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 17:26:36,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 17:26:36,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 17:26:36,800 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 229 [2020-07-20 17:26:36,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:26:36,801 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 17:26:36,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:26:36,801 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 17:26:36,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 17:26:37,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:37,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 17:26:38,350 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2020-07-20 17:26:38,693 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 41 [2020-07-20 17:26:38,985 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 41 [2020-07-20 17:26:38,989 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 17:26:38,990 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (<= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|)) [2020-07-20 17:26:38,990 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 17:26:38,990 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:38,990 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:38,991 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:38,991 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:38,991 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:38,992 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-20 17:26:38,992 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-20 17:26:38,992 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-20 17:26:38,992 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-20 17:26:38,992 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-20 17:26:38,992 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 17:26:38,992 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-20 17:26:38,993 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-20 17:26:38,993 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-20 17:26:38,993 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-20 17:26:38,993 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-20 17:26:38,993 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-20 17:26:38,993 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-20 17:26:38,993 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:38,995 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:38,995 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:38,995 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:38,995 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-20 17:26:38,995 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:38,995 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-20 17:26:38,995 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-20 17:26:38,996 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-20 17:26:38,996 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-20 17:26:38,996 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-20 17:26:38,997 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-20 17:26:38,997 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-20 17:26:38,997 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-20 17:26:38,997 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-20 17:26:38,997 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-20 17:26:38,997 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-20 17:26:38,998 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-20 17:26:38,998 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-20 17:26:38,999 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-20 17:26:38,999 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-20 17:26:38,999 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,001 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,001 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,001 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,002 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,002 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 523) no Hoare annotation was computed. [2020-07-20 17:26:39,002 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-20 17:26:39,002 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-20 17:26:39,002 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-20 17:26:39,002 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 17:26:39,003 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-20 17:26:39,003 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-20 17:26:39,003 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-20 17:26:39,003 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 17:26:39,003 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-20 17:26:39,003 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-20 17:26:39,003 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-20 17:26:39,003 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,004 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,004 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,004 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,007 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,007 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-20 17:26:39,007 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-20 17:26:39,007 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-20 17:26:39,008 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-20 17:26:39,008 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-20 17:26:39,008 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-20 17:26:39,008 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-20 17:26:39,008 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-20 17:26:39,008 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-20 17:26:39,008 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-20 17:26:39,008 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-20 17:26:39,010 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-20 17:26:39,011 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-20 17:26:39,011 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,011 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,011 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,012 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,012 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,012 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-20 17:26:39,012 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 17:26:39,012 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-20 17:26:39,012 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-20 17:26:39,012 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 17:26:39,012 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-20 17:26:39,012 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-20 17:26:39,013 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-20 17:26:39,013 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-20 17:26:39,013 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-20 17:26:39,013 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-20 17:26:39,013 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-20 17:26:39,013 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-20 17:26:39,013 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-20 17:26:39,013 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-20 17:26:39,013 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-20 17:26:39,014 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,014 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,014 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,015 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,015 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-20 17:26:39,015 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,015 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-20 17:26:39,015 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,015 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-20 17:26:39,017 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-20 17:26:39,017 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-20 17:26:39,017 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,017 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,017 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 17:26:39,017 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-20 17:26:39,017 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-20 17:26:39,017 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 17:26:39,017 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 17:26:39,018 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-20 17:26:39,018 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-20 17:26:39,018 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-20 17:26:39,018 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-20 17:26:39,018 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-20 17:26:39,018 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-20 17:26:39,018 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,018 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,018 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,019 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,019 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,019 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,019 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-20 17:26:39,019 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 17:26:39,019 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-20 17:26:39,019 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 17:26:39,019 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 17:26:39,019 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 17:26:39,020 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-20 17:26:39,020 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-20 17:26:39,020 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-20 17:26:39,020 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-20 17:26:39,020 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-20 17:26:39,020 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,020 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,020 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,020 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,020 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,021 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,021 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-20 17:26:39,021 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-20 17:26:39,021 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-20 17:26:39,021 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 17:26:39,021 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 17:26:39,021 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-20 17:26:39,021 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 17:26:39,022 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 17:26:39,023 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-20 17:26:39,023 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-20 17:26:39,023 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-20 17:26:39,023 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-20 17:26:39,023 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-20 17:26:39,023 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-20 17:26:39,023 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,023 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,023 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,025 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse10 (= 1 |old(~a19~0)|)) (.cse2 (<= ~a17~0 |old(~a17~0)|)) (.cse3 (<= ~a28~0 |old(~a28~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|)) (.cse9 (= 1 ~a25~0))) (let ((.cse0 (not (<= 10 |old(~a28~0)|))) (.cse13 (and .cse2 .cse3 .cse4 .cse9)) (.cse5 (not .cse10)) (.cse12 (not (<= 8 |old(~a17~0)|))) (.cse8 (not (= 1 |old(~a25~0)|))) (.cse6 (<= ~a11~0 0)) (.cse11 (not (<= |old(~a28~0)| 8))) (.cse1 (not (<= |old(~a17~0)| 8))) (.cse7 (not (<= |old(~a11~0)| 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3 (<= 10 ~a28~0) .cse4)) (or .cse5 .cse6 .cse0 .cse1 .cse7) (or (not (<= |old(~a28~0)| 7)) (and .cse2 .cse6 .cse3 .cse4) .cse1 .cse7) (or .cse6 .cse8 .cse0 .cse1 .cse7) (or .cse8 .cse0 .cse1 .cse9) (or .cse10 .cse11 (and .cse2 .cse3 .cse4) .cse1) (or .cse5 .cse6 .cse12 .cse1 .cse7) (or .cse13 .cse11 .cse8 .cse1) (or .cse12 (and .cse3 (<= ~a17~0 8) (<= 8 ~a17~0) .cse4) .cse1) (or .cse10 .cse13 .cse8 .cse1) (or .cse5 (not (<= 11 |old(~a28~0)|)) (<= 11 ~a28~0) .cse1) (or .cse6 .cse11 .cse8 .cse1 .cse7) (or .cse12 .cse8 .cse1 .cse9) (or .cse10 .cse6 .cse11 .cse1 .cse7)))) [2020-07-20 17:26:39,025 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,025 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,025 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,025 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-20 17:26:39,025 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-20 17:26:39,026 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-20 17:26:39,026 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 17:26:39,026 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-20 17:26:39,026 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-20 17:26:39,026 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-20 17:26:39,026 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 17:26:39,026 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-20 17:26:39,026 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-20 17:26:39,026 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-20 17:26:39,027 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-20 17:26:39,027 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-20 17:26:39,027 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,027 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,027 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,027 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,027 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,027 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,027 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-20 17:26:39,027 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-20 17:26:39,028 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 17:26:39,028 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-20 17:26:39,028 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-20 17:26:39,028 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 17:26:39,028 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 17:26:39,028 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-20 17:26:39,028 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-20 17:26:39,028 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-20 17:26:39,028 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-20 17:26:39,029 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-20 17:26:39,029 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-20 17:26:39,029 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-20 17:26:39,029 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-20 17:26:39,029 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-20 17:26:39,029 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,029 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,029 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,029 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,029 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:26:39,030 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-20 17:26:39,030 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-20 17:26:39,030 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-20 17:26:39,030 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-20 17:26:39,030 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-20 17:26:39,030 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-20 17:26:39,030 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-20 17:26:39,030 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 17:26:39,030 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 17:26:39,030 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-20 17:26:39,031 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-20 17:26:39,031 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-20 17:26:39,031 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-20 17:26:39,031 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-20 17:26:39,031 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-20 17:26:39,031 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-20 17:26:39,031 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-20 17:26:39,031 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-20 17:26:39,031 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-20 17:26:39,032 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 17:26:39,032 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a17~0 8) (<= 8 ~a17~0) (<= ~a28~0 7)) [2020-07-20 17:26:39,032 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 17:26:39,032 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 17:26:39,032 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (and (<= ~a11~0 0) (<= ~a28~0 |old(~a28~0)|) (<= ~a17~0 8) (<= 8 ~a17~0) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0))) [2020-07-20 17:26:39,032 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (not (= 1 ~a19~0))) (.cse0 (<= ~a17~0 8)) (.cse3 (<= ~a28~0 8)) (.cse2 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (and .cse0 (<= 10 ~a28~0)) (and .cse0 .cse3 .cse1) (and (<= ~a11~0 0) .cse0 (<= ~a28~0 7)) (not (<= |old(~a17~0)| 8)) (and .cse0 (<= 8 ~a17~0)) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse3 .cse2))) [2020-07-20 17:26:39,033 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-20 17:26:39,033 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-20 17:26:39,033 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (not (= 1 ~a19~0))) (.cse0 (<= ~a17~0 8)) (.cse3 (<= ~a28~0 8)) (.cse2 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (and .cse0 (<= 10 ~a28~0)) (and .cse0 .cse3 .cse1) (and (<= ~a11~0 0) .cse0 (<= ~a28~0 7)) (not (<= |old(~a17~0)| 8)) (and .cse0 (<= 8 ~a17~0)) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse3 .cse2))) [2020-07-20 17:26:39,033 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-20 17:26:39,033 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-20 17:26:39,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:26:39 BoogieIcfgContainer [2020-07-20 17:26:39,063 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 17:26:39,065 INFO L168 Benchmark]: Toolchain (without parser) took 18299.49 ms. Allocated memory was 137.9 MB in the beginning and 493.4 MB in the end (delta: 355.5 MB). Free memory was 99.7 MB in the beginning and 337.0 MB in the end (delta: -237.3 MB). Peak memory consumption was 381.2 MB. Max. memory is 7.1 GB. [2020-07-20 17:26:39,067 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-20 17:26:39,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.25 ms. Allocated memory was 137.9 MB in the beginning and 205.0 MB in the end (delta: 67.1 MB). Free memory was 99.3 MB in the beginning and 172.5 MB in the end (delta: -73.3 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. [2020-07-20 17:26:39,078 INFO L168 Benchmark]: Boogie Preprocessor took 121.61 ms. Allocated memory is still 205.0 MB. Free memory was 172.5 MB in the beginning and 167.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-20 17:26:39,079 INFO L168 Benchmark]: RCFGBuilder took 1347.37 ms. Allocated memory was 205.0 MB in the beginning and 236.5 MB in the end (delta: 31.5 MB). Free memory was 167.6 MB in the beginning and 182.4 MB in the end (delta: -14.8 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. [2020-07-20 17:26:39,080 INFO L168 Benchmark]: TraceAbstraction took 16073.80 ms. Allocated memory was 236.5 MB in the beginning and 493.4 MB in the end (delta: 256.9 MB). Free memory was 182.4 MB in the beginning and 337.0 MB in the end (delta: -154.6 MB). Peak memory consumption was 365.3 MB. Max. memory is 7.1 GB. [2020-07-20 17:26:39,087 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 749.25 ms. Allocated memory was 137.9 MB in the beginning and 205.0 MB in the end (delta: 67.1 MB). Free memory was 99.3 MB in the beginning and 172.5 MB in the end (delta: -73.3 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.61 ms. Allocated memory is still 205.0 MB. Free memory was 172.5 MB in the beginning and 167.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1347.37 ms. Allocated memory was 205.0 MB in the beginning and 236.5 MB in the end (delta: 31.5 MB). Free memory was 167.6 MB in the beginning and 182.4 MB in the end (delta: -14.8 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16073.80 ms. Allocated memory was 236.5 MB in the beginning and 493.4 MB in the end (delta: 256.9 MB). Free memory was 182.4 MB in the beginning and 337.0 MB in the end (delta: -154.6 MB). Peak memory consumption was 365.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 523]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((!(1 == \old(a19)) || ((a17 <= 8 && !(1 == a19)) && 1 == a25)) || !(\old(a28) <= 7)) || !(8 <= \old(a17))) || (a17 <= 8 && 10 <= a28)) || ((a17 <= 8 && a28 <= 8) && !(1 == a19))) || ((a11 <= 0 && a17 <= 8) && a28 <= 7)) || !(\old(a17) <= 8)) || (a17 <= 8 && 8 <= a17)) || !(\old(a11) <= 0)) || ((a17 <= 8 && a28 <= 8) && 1 == a25) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.9s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1253 SDtfs, 2569 SDslu, 418 SDs, 0 SdLazy, 5449 SolverSat, 995 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2347 GetRequests, 2313 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4546occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 1995 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 175 PreInvPairs, 233 NumberOfFragments, 509 HoareAnnotationTreeSize, 175 FomulaSimplifications, 2496 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2294 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1761 NumberOfCodeBlocks, 1761 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 2332 ConstructedInterpolants, 0 QuantifiedInterpolants, 789218 SizeOfPredicates, 14 NumberOfNonLiveVariables, 4238 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 1070/1116 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...