/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 DAGSIZE --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 22:03:37,337 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-20 22:03:37,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 22:03:37,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 22:03:37,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 22:03:37,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 22:03:37,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 22:03:37,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 22:03:37,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 22:03:37,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 22:03:37,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 22:03:37,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 22:03:37,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 22:03:37,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 22:03:37,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 22:03:37,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 22:03:37,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 22:03:37,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 22:03:37,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 22:03:37,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 22:03:37,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 22:03:37,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 22:03:37,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 22:03:37,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 22:03:37,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 22:03:37,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 22:03:37,440 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 22:03:37,464 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 22:03:37,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 22:03:37,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 22:03:37,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 22:03:37,467 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 22:03:37,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 22:03:37,468 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 22:03:37,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 22:03:37,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 22:03:37,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 22:03:37,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 22:03:37,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 22:03:37,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 22:03:37,471 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 22:03:37,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 22:03:37,471 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 22:03:37,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 22:03:37,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 22:03:37,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 22:03:37,472 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 22:03:37,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 22:03:37,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 22:03:37,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 22:03:37,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 22:03:37,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 22:03:37,473 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 22:03:37,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:03:37,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 22:03:37,474 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 22:03:37,474 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 -> DAGSIZE 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 22:03:37,829 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 22:03:37,849 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 22:03:37,853 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 22:03:37,855 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 22:03:37,855 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 22:03:37,856 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2020-07-20 22:03:37,941 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b06512164/2adf9a078a0943f69a962efc0c81897f/FLAG7a59d3b99 [2020-07-20 22:03:38,562 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 22:03:38,563 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2020-07-20 22:03:38,584 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b06512164/2adf9a078a0943f69a962efc0c81897f/FLAG7a59d3b99 [2020-07-20 22:03:38,811 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b06512164/2adf9a078a0943f69a962efc0c81897f [2020-07-20 22:03:38,820 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 22:03:38,823 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 22:03:38,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 22:03:38,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 22:03:38,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 22:03:38,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:03:38" (1/1) ... [2020-07-20 22:03:38,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b8f7a24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:03:38, skipping insertion in model container [2020-07-20 22:03:38,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:03:38" (1/1) ... [2020-07-20 22:03:38,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 22:03:38,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 22:03:39,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 22:03:39,312 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 22:03:39,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 22:03:39,573 INFO L208 MainTranslator]: Completed translation [2020-07-20 22:03:39,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:03:39 WrapperNode [2020-07-20 22:03:39,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 22:03:39,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 22:03:39,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 22:03:39,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 22:03:39,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:03:39" (1/1) ... [2020-07-20 22:03:39,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:03:39" (1/1) ... [2020-07-20 22:03:39,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:03:39" (1/1) ... [2020-07-20 22:03:39,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:03:39" (1/1) ... [2020-07-20 22:03:39,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:03:39" (1/1) ... [2020-07-20 22:03:39,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:03:39" (1/1) ... [2020-07-20 22:03:39,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:03:39" (1/1) ... [2020-07-20 22:03:39,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 22:03:39,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 22:03:39,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 22:03:39,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 22:03:39,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:03:39" (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 22:03:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 22:03:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 22:03:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 22:03:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 22:03:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 22:03:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 22:03:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 22:03:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 22:03:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 22:03:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 22:03:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 22:03:41,059 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 22:03:41,060 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 22:03:41,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:03:41 BoogieIcfgContainer [2020-07-20 22:03:41,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 22:03:41,068 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 22:03:41,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 22:03:41,071 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 22:03:41,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:03:38" (1/3) ... [2020-07-20 22:03:41,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@111d8d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:03:41, skipping insertion in model container [2020-07-20 22:03:41,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:03:39" (2/3) ... [2020-07-20 22:03:41,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@111d8d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:03:41, skipping insertion in model container [2020-07-20 22:03:41,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:03:41" (3/3) ... [2020-07-20 22:03:41,076 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label14.c [2020-07-20 22:03:41,087 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 22:03:41,096 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 22:03:41,113 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 22:03:41,142 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 22:03:41,143 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 22:03:41,143 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 22:03:41,143 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 22:03:41,143 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 22:03:41,143 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 22:03:41,144 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 22:03:41,144 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 22:03:41,170 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-20 22:03:41,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-20 22:03:41,184 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:03:41,186 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 22:03:41,186 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:03:41,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:03:41,194 INFO L82 PathProgramCache]: Analyzing trace with hash -871643495, now seen corresponding path program 1 times [2020-07-20 22:03:41,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:03:41,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1847703263] [2020-07-20 22:03:41,205 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 22:03:41,433 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:03:41,433 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:03:41,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 22:03:41,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:03:41,595 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 22:03:41,595 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:03:41,597 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1847703263] [2020-07-20 22:03:41,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:03:41,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:03:41,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413773434] [2020-07-20 22:03:41,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:03:41,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:03:41,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:03:41,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:03:41,625 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2020-07-20 22:03:42,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:03:42,569 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2020-07-20 22:03:42,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:03:42,570 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-07-20 22:03:42,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:03:42,590 INFO L225 Difference]: With dead ends: 615 [2020-07-20 22:03:42,590 INFO L226 Difference]: Without dead ends: 317 [2020-07-20 22:03:42,598 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 22:03:42,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-07-20 22:03:42,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2020-07-20 22:03:42,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2020-07-20 22:03:42,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 478 transitions. [2020-07-20 22:03:42,673 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 478 transitions. Word has length 123 [2020-07-20 22:03:42,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:03:42,674 INFO L479 AbstractCegarLoop]: Abstraction has 317 states and 478 transitions. [2020-07-20 22:03:42,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:03:42,675 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 478 transitions. [2020-07-20 22:03:42,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-20 22:03:42,680 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:03:42,683 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 22:03:42,884 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:03:42,885 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:03:42,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:03:42,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1925797076, now seen corresponding path program 1 times [2020-07-20 22:03:42,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:03:42,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1713571881] [2020-07-20 22:03:42,888 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 22:03:43,002 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:03:43,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:03:43,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:03:43,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:03:43,072 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 22:03:43,072 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:03:43,072 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1713571881] [2020-07-20 22:03:43,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:03:43,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:03:43,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235112244] [2020-07-20 22:03:43,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:03:43,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:03:43,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:03:43,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:03:43,077 INFO L87 Difference]: Start difference. First operand 317 states and 478 transitions. Second operand 3 states. [2020-07-20 22:03:43,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:03:43,786 INFO L93 Difference]: Finished difference Result 919 states and 1406 transitions. [2020-07-20 22:03:43,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:03:43,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-07-20 22:03:43,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:03:43,799 INFO L225 Difference]: With dead ends: 919 [2020-07-20 22:03:43,799 INFO L226 Difference]: Without dead ends: 608 [2020-07-20 22:03:43,802 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 22:03:43,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2020-07-20 22:03:43,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 462. [2020-07-20 22:03:43,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-07-20 22:03:43,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 642 transitions. [2020-07-20 22:03:43,838 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 642 transitions. Word has length 138 [2020-07-20 22:03:43,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:03:43,839 INFO L479 AbstractCegarLoop]: Abstraction has 462 states and 642 transitions. [2020-07-20 22:03:43,839 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:03:43,839 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 642 transitions. [2020-07-20 22:03:43,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-20 22:03:43,843 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:03:43,843 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 22:03:44,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:03:44,076 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:03:44,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:03:44,077 INFO L82 PathProgramCache]: Analyzing trace with hash -295293823, now seen corresponding path program 1 times [2020-07-20 22:03:44,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:03:44,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1166196481] [2020-07-20 22:03:44,078 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 22:03:44,241 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:03:44,242 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:03:44,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:03:44,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:03:44,314 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 22:03:44,315 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:03:44,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1166196481] [2020-07-20 22:03:44,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:03:44,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:03:44,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736108893] [2020-07-20 22:03:44,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:03:44,322 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:03:44,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:03:44,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:03:44,331 INFO L87 Difference]: Start difference. First operand 462 states and 642 transitions. Second operand 3 states. [2020-07-20 22:03:45,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:03:45,026 INFO L93 Difference]: Finished difference Result 1209 states and 1740 transitions. [2020-07-20 22:03:45,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:03:45,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2020-07-20 22:03:45,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:03:45,036 INFO L225 Difference]: With dead ends: 1209 [2020-07-20 22:03:45,036 INFO L226 Difference]: Without dead ends: 753 [2020-07-20 22:03:45,039 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 22:03:45,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2020-07-20 22:03:45,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 609. [2020-07-20 22:03:45,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2020-07-20 22:03:45,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 820 transitions. [2020-07-20 22:03:45,083 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 820 transitions. Word has length 145 [2020-07-20 22:03:45,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:03:45,084 INFO L479 AbstractCegarLoop]: Abstraction has 609 states and 820 transitions. [2020-07-20 22:03:45,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:03:45,084 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 820 transitions. [2020-07-20 22:03:45,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-20 22:03:45,089 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:03:45,089 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 22:03:45,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:03:45,303 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:03:45,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:03:45,304 INFO L82 PathProgramCache]: Analyzing trace with hash -2124265719, now seen corresponding path program 1 times [2020-07-20 22:03:45,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:03:45,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [345958237] [2020-07-20 22:03:45,306 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 22:03:45,416 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:03:45,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:03:45,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:03:45,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:03:45,468 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 22:03:45,468 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:03:45,469 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [345958237] [2020-07-20 22:03:45,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:03:45,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:03:45,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287583027] [2020-07-20 22:03:45,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:03:45,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:03:45,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:03:45,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:03:45,471 INFO L87 Difference]: Start difference. First operand 609 states and 820 transitions. Second operand 3 states. [2020-07-20 22:03:46,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:03:46,094 INFO L93 Difference]: Finished difference Result 1505 states and 2105 transitions. [2020-07-20 22:03:46,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:03:46,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2020-07-20 22:03:46,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:03:46,101 INFO L225 Difference]: With dead ends: 1505 [2020-07-20 22:03:46,101 INFO L226 Difference]: Without dead ends: 902 [2020-07-20 22:03:46,103 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 22:03:46,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2020-07-20 22:03:46,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 756. [2020-07-20 22:03:46,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 756 states. [2020-07-20 22:03:46,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 988 transitions. [2020-07-20 22:03:46,137 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 988 transitions. Word has length 149 [2020-07-20 22:03:46,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:03:46,137 INFO L479 AbstractCegarLoop]: Abstraction has 756 states and 988 transitions. [2020-07-20 22:03:46,137 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:03:46,138 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 988 transitions. [2020-07-20 22:03:46,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-20 22:03:46,142 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:03:46,142 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 22:03:46,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:03:46,346 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:03:46,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:03:46,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1399604522, now seen corresponding path program 1 times [2020-07-20 22:03:46,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:03:46,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1707073666] [2020-07-20 22:03:46,348 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 22:03:46,470 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:03:46,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:03:46,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:03:46,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:03:46,517 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 22:03:46,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 22:03:46,620 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 22:03:46,620 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1707073666] [2020-07-20 22:03:46,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 22:03:46,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 22:03:46,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180618275] [2020-07-20 22:03:46,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 22:03:46,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:03:46,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 22:03:46,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 22:03:46,624 INFO L87 Difference]: Start difference. First operand 756 states and 988 transitions. Second operand 7 states. [2020-07-20 22:03:47,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:03:47,659 INFO L93 Difference]: Finished difference Result 1824 states and 2492 transitions. [2020-07-20 22:03:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 22:03:47,660 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 174 [2020-07-20 22:03:47,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:03:47,667 INFO L225 Difference]: With dead ends: 1824 [2020-07-20 22:03:47,667 INFO L226 Difference]: Without dead ends: 1074 [2020-07-20 22:03:47,670 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 22:03:47,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2020-07-20 22:03:47,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 920. [2020-07-20 22:03:47,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2020-07-20 22:03:47,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1204 transitions. [2020-07-20 22:03:47,708 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1204 transitions. Word has length 174 [2020-07-20 22:03:47,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:03:47,709 INFO L479 AbstractCegarLoop]: Abstraction has 920 states and 1204 transitions. [2020-07-20 22:03:47,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 22:03:47,709 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1204 transitions. [2020-07-20 22:03:47,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-07-20 22:03:47,714 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:03:47,714 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 22:03:47,927 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:03:47,928 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:03:47,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:03:47,928 INFO L82 PathProgramCache]: Analyzing trace with hash 869514523, now seen corresponding path program 1 times [2020-07-20 22:03:47,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:03:47,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1209557565] [2020-07-20 22:03:47,929 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 22:03:48,068 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:03:48,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:03:48,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 22:03:48,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:03:48,129 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 22:03:48,129 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 22:03:48,226 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 22:03:48,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1209557565] [2020-07-20 22:03:48,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 22:03:48,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 22:03:48,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214160443] [2020-07-20 22:03:48,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 22:03:48,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:03:48,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 22:03:48,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 22:03:48,229 INFO L87 Difference]: Start difference. First operand 920 states and 1204 transitions. Second operand 7 states. [2020-07-20 22:03:49,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:03:49,853 INFO L93 Difference]: Finished difference Result 3366 states and 4682 transitions. [2020-07-20 22:03:49,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 22:03:49,855 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 182 [2020-07-20 22:03:49,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:03:49,875 INFO L225 Difference]: With dead ends: 3366 [2020-07-20 22:03:49,875 INFO L226 Difference]: Without dead ends: 2452 [2020-07-20 22:03:49,886 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 22:03:49,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2452 states. [2020-07-20 22:03:50,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2452 to 2444. [2020-07-20 22:03:50,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2444 states. [2020-07-20 22:03:50,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2444 states and 3109 transitions. [2020-07-20 22:03:50,022 INFO L78 Accepts]: Start accepts. Automaton has 2444 states and 3109 transitions. Word has length 182 [2020-07-20 22:03:50,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:03:50,023 INFO L479 AbstractCegarLoop]: Abstraction has 2444 states and 3109 transitions. [2020-07-20 22:03:50,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 22:03:50,023 INFO L276 IsEmpty]: Start isEmpty. Operand 2444 states and 3109 transitions. [2020-07-20 22:03:50,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-07-20 22:03:50,036 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:03:50,036 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 22:03:50,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:03:50,252 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:03:50,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:03:50,253 INFO L82 PathProgramCache]: Analyzing trace with hash -307383145, now seen corresponding path program 1 times [2020-07-20 22:03:50,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:03:50,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [494678603] [2020-07-20 22:03:50,255 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 22:03:50,364 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:03:50,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:03:50,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:03:50,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:03:50,413 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 22:03:50,413 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:03:50,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [494678603] [2020-07-20 22:03:50,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:03:50,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:03:50,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64115244] [2020-07-20 22:03:50,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:03:50,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:03:50,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:03:50,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:03:50,416 INFO L87 Difference]: Start difference. First operand 2444 states and 3109 transitions. Second operand 3 states. [2020-07-20 22:03:51,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:03:51,081 INFO L93 Difference]: Finished difference Result 7129 states and 9243 transitions. [2020-07-20 22:03:51,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:03:51,081 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2020-07-20 22:03:51,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:03:51,112 INFO L225 Difference]: With dead ends: 7129 [2020-07-20 22:03:51,112 INFO L226 Difference]: Without dead ends: 4695 [2020-07-20 22:03:51,125 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 22:03:51,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4695 states. [2020-07-20 22:03:51,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4695 to 4546. [2020-07-20 22:03:51,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4546 states. [2020-07-20 22:03:51,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4546 states to 4546 states and 5795 transitions. [2020-07-20 22:03:51,319 INFO L78 Accepts]: Start accepts. Automaton has 4546 states and 5795 transitions. Word has length 181 [2020-07-20 22:03:51,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:03:51,320 INFO L479 AbstractCegarLoop]: Abstraction has 4546 states and 5795 transitions. [2020-07-20 22:03:51,320 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:03:51,320 INFO L276 IsEmpty]: Start isEmpty. Operand 4546 states and 5795 transitions. [2020-07-20 22:03:51,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-20 22:03:51,342 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:03:51,342 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 22:03:51,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:03:51,556 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:03:51,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:03:51,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1619189299, now seen corresponding path program 1 times [2020-07-20 22:03:51,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:03:51,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [52638047] [2020-07-20 22:03:51,559 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 22:03:51,690 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:03:51,691 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:03:51,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 22:03:51,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:03:51,762 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 22:03:51,762 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:03:51,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [52638047] [2020-07-20 22:03:51,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:03:51,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 22:03:51,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342350743] [2020-07-20 22:03:51,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 22:03:51,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:03:51,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 22:03:51,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 22:03:51,766 INFO L87 Difference]: Start difference. First operand 4546 states and 5795 transitions. Second operand 5 states. [2020-07-20 22:03:52,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:03:52,653 INFO L93 Difference]: Finished difference Result 9048 states and 11366 transitions. [2020-07-20 22:03:52,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 22:03:52,654 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 212 [2020-07-20 22:03:52,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:03:52,680 INFO L225 Difference]: With dead ends: 9048 [2020-07-20 22:03:52,680 INFO L226 Difference]: Without dead ends: 4512 [2020-07-20 22:03:52,705 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 22:03:52,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4512 states. [2020-07-20 22:03:52,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4512 to 3312. [2020-07-20 22:03:52,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3312 states. [2020-07-20 22:03:52,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 3842 transitions. [2020-07-20 22:03:52,958 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 3842 transitions. Word has length 212 [2020-07-20 22:03:52,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:03:52,959 INFO L479 AbstractCegarLoop]: Abstraction has 3312 states and 3842 transitions. [2020-07-20 22:03:52,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 22:03:52,959 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 3842 transitions. [2020-07-20 22:03:52,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-07-20 22:03:52,972 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:03:52,973 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 22:03:53,186 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:03:53,187 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:03:53,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:03:53,188 INFO L82 PathProgramCache]: Analyzing trace with hash -548929934, now seen corresponding path program 1 times [2020-07-20 22:03:53,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:03:53,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [583536494] [2020-07-20 22:03:53,190 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 22:03:53,400 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:03:53,400 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:03:53,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:03:53,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:03:53,464 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 22:03:53,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 22:03:53,572 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 22:03:53,572 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [583536494] [2020-07-20 22:03:53,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 22:03:53,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-20 22:03:53,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357253013] [2020-07-20 22:03:53,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 22:03:53,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:03:53,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 22:03:53,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 22:03:53,575 INFO L87 Difference]: Start difference. First operand 3312 states and 3842 transitions. Second operand 6 states. [2020-07-20 22:03:54,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:03:54,126 INFO L93 Difference]: Finished difference Result 6357 states and 7526 transitions. [2020-07-20 22:03:54,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 22:03:54,127 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 228 [2020-07-20 22:03:54,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:03:54,141 INFO L225 Difference]: With dead ends: 6357 [2020-07-20 22:03:54,141 INFO L226 Difference]: Without dead ends: 3051 [2020-07-20 22:03:54,150 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 22:03:54,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3051 states. [2020-07-20 22:03:54,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3051 to 3003. [2020-07-20 22:03:54,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3003 states. [2020-07-20 22:03:54,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 3003 states and 3416 transitions. [2020-07-20 22:03:54,226 INFO L78 Accepts]: Start accepts. Automaton has 3003 states and 3416 transitions. Word has length 228 [2020-07-20 22:03:54,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:03:54,226 INFO L479 AbstractCegarLoop]: Abstraction has 3003 states and 3416 transitions. [2020-07-20 22:03:54,227 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 22:03:54,227 INFO L276 IsEmpty]: Start isEmpty. Operand 3003 states and 3416 transitions. [2020-07-20 22:03:54,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-07-20 22:03:54,236 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:03:54,236 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 22:03:54,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:03:54,450 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:03:54,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:03:54,451 INFO L82 PathProgramCache]: Analyzing trace with hash -726614399, now seen corresponding path program 1 times [2020-07-20 22:03:54,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:03:54,452 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1631474972] [2020-07-20 22:03:54,452 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 22:03:54,578 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:03:54,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:03:54,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 22:03:54,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:03:54,646 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 22:03:54,646 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:03:54,646 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1631474972] [2020-07-20 22:03:54,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:03:54,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:03:54,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908540544] [2020-07-20 22:03:54,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:03:54,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:03:54,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:03:54,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:03:54,649 INFO L87 Difference]: Start difference. First operand 3003 states and 3416 transitions. Second operand 3 states. [2020-07-20 22:03:55,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:03:55,174 INFO L93 Difference]: Finished difference Result 7314 states and 8414 transitions. [2020-07-20 22:03:55,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:03:55,177 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 229 [2020-07-20 22:03:55,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:03:55,178 INFO L225 Difference]: With dead ends: 7314 [2020-07-20 22:03:55,178 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 22:03:55,191 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 22:03:55,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 22:03:55,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 22:03:55,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 22:03:55,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 22:03:55,192 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 229 [2020-07-20 22:03:55,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:03:55,192 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 22:03:55,193 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:03:55,193 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 22:03:55,193 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 22:03:55,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:03:55,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 22:03:56,781 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2020-07-20 22:03:57,090 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 41 [2020-07-20 22:03:57,390 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 41 [2020-07-20 22:03:57,395 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 22:03:57,395 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 22:03:57,395 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 22:03:57,396 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,396 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,396 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,396 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,396 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,396 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-20 22:03:57,396 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-20 22:03:57,397 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-20 22:03:57,397 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-20 22:03:57,397 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-20 22:03:57,397 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 22:03:57,397 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-20 22:03:57,397 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-20 22:03:57,397 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-20 22:03:57,397 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-20 22:03:57,398 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-20 22:03:57,398 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-20 22:03:57,398 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-20 22:03:57,398 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,398 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,398 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,398 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,399 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-20 22:03:57,399 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,399 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-20 22:03:57,399 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-20 22:03:57,399 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-20 22:03:57,399 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-20 22:03:57,399 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-20 22:03:57,399 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-20 22:03:57,399 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-20 22:03:57,400 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-20 22:03:57,400 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-20 22:03:57,400 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-20 22:03:57,400 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-20 22:03:57,400 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-20 22:03:57,400 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-20 22:03:57,400 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-20 22:03:57,400 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-20 22:03:57,401 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,401 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,401 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,401 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,401 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,401 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 523) no Hoare annotation was computed. [2020-07-20 22:03:57,402 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-20 22:03:57,402 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-20 22:03:57,402 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-20 22:03:57,402 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 22:03:57,402 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-20 22:03:57,402 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-20 22:03:57,402 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-20 22:03:57,402 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 22:03:57,403 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-20 22:03:57,403 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-20 22:03:57,403 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-20 22:03:57,403 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,403 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,403 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,403 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,403 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,404 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-20 22:03:57,404 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-20 22:03:57,404 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-20 22:03:57,404 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-20 22:03:57,404 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-20 22:03:57,404 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-20 22:03:57,404 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-20 22:03:57,404 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-20 22:03:57,405 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-20 22:03:57,405 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-20 22:03:57,405 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-20 22:03:57,405 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-20 22:03:57,405 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-20 22:03:57,405 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,405 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,405 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,406 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,406 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,406 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-20 22:03:57,406 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 22:03:57,406 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-20 22:03:57,406 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-20 22:03:57,406 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 22:03:57,407 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-20 22:03:57,407 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-20 22:03:57,407 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-20 22:03:57,407 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-20 22:03:57,407 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-20 22:03:57,407 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-20 22:03:57,407 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-20 22:03:57,408 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-20 22:03:57,408 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-20 22:03:57,408 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-20 22:03:57,408 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-20 22:03:57,408 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,408 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,408 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,408 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,408 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-20 22:03:57,409 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,409 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-20 22:03:57,409 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,409 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-20 22:03:57,409 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-20 22:03:57,409 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-20 22:03:57,409 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,409 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,410 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 22:03:57,410 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-20 22:03:57,410 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-20 22:03:57,410 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 22:03:57,410 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 22:03:57,410 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-20 22:03:57,410 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-20 22:03:57,410 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-20 22:03:57,411 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-20 22:03:57,411 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-20 22:03:57,411 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-20 22:03:57,411 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,411 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,411 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,411 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,411 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,412 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,412 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-20 22:03:57,412 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 22:03:57,412 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-20 22:03:57,412 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 22:03:57,412 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 22:03:57,412 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 22:03:57,412 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-20 22:03:57,412 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-20 22:03:57,413 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-20 22:03:57,413 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-20 22:03:57,413 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-20 22:03:57,413 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,413 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,413 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,413 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,413 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,413 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,414 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-20 22:03:57,414 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-20 22:03:57,414 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-20 22:03:57,414 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 22:03:57,414 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 22:03:57,414 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-20 22:03:57,414 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 22:03:57,414 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 22:03:57,415 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-20 22:03:57,415 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-20 22:03:57,415 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-20 22:03:57,415 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-20 22:03:57,415 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-20 22:03:57,415 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-20 22:03:57,415 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,415 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,415 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,416 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 22:03:57,416 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,416 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,416 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,416 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-20 22:03:57,416 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-20 22:03:57,417 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-20 22:03:57,417 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 22:03:57,417 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-20 22:03:57,417 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-20 22:03:57,417 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-20 22:03:57,417 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 22:03:57,417 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-20 22:03:57,417 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-20 22:03:57,417 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-20 22:03:57,418 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-20 22:03:57,418 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-20 22:03:57,418 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,418 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,418 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,418 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,418 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,418 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,419 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-20 22:03:57,419 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-20 22:03:57,419 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 22:03:57,419 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-20 22:03:57,419 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-20 22:03:57,419 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 22:03:57,419 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 22:03:57,419 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-20 22:03:57,419 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-20 22:03:57,420 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-20 22:03:57,420 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-20 22:03:57,420 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-20 22:03:57,420 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-20 22:03:57,420 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-20 22:03:57,420 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-20 22:03:57,420 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-20 22:03:57,420 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,420 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,421 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,421 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,421 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:03:57,421 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-20 22:03:57,421 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-20 22:03:57,421 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-20 22:03:57,421 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-20 22:03:57,421 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-20 22:03:57,422 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-20 22:03:57,422 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-20 22:03:57,422 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 22:03:57,422 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 22:03:57,422 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-20 22:03:57,422 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-20 22:03:57,422 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-20 22:03:57,422 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-20 22:03:57,422 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-20 22:03:57,423 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-20 22:03:57,423 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-20 22:03:57,423 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-20 22:03:57,423 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-20 22:03:57,423 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-20 22:03:57,423 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 22:03:57,423 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 22:03:57,423 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 22:03:57,424 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 22:03:57,424 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 22:03:57,424 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 22:03:57,424 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-20 22:03:57,424 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-20 22:03:57,425 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 22:03:57,425 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-20 22:03:57,425 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-20 22:03:57,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:03:57 BoogieIcfgContainer [2020-07-20 22:03:57,449 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 22:03:57,451 INFO L168 Benchmark]: Toolchain (without parser) took 18629.59 ms. Allocated memory was 145.2 MB in the beginning and 483.4 MB in the end (delta: 338.2 MB). Free memory was 101.5 MB in the beginning and 200.7 MB in the end (delta: -99.2 MB). Peak memory consumption was 372.8 MB. Max. memory is 7.1 GB. [2020-07-20 22:03:57,452 INFO L168 Benchmark]: CDTParser took 0.61 ms. Allocated memory is still 145.2 MB. Free memory is still 121.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 22:03:57,453 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.54 ms. Allocated memory was 145.2 MB in the beginning and 205.5 MB in the end (delta: 60.3 MB). Free memory was 101.0 MB in the beginning and 172.5 MB in the end (delta: -71.5 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. [2020-07-20 22:03:57,453 INFO L168 Benchmark]: Boogie Preprocessor took 127.16 ms. Allocated memory is still 205.5 MB. Free memory was 172.5 MB in the beginning and 167.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-07-20 22:03:57,454 INFO L168 Benchmark]: RCFGBuilder took 1363.59 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 167.4 MB in the beginning and 180.4 MB in the end (delta: -13.1 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. [2020-07-20 22:03:57,455 INFO L168 Benchmark]: TraceAbstraction took 16381.45 ms. Allocated memory was 238.6 MB in the beginning and 483.4 MB in the end (delta: 244.8 MB). Free memory was 180.4 MB in the beginning and 200.7 MB in the end (delta: -20.3 MB). Peak memory consumption was 358.4 MB. Max. memory is 7.1 GB. [2020-07-20 22:03:57,459 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 ms. Allocated memory is still 145.2 MB. Free memory is still 121.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 750.54 ms. Allocated memory was 145.2 MB in the beginning and 205.5 MB in the end (delta: 60.3 MB). Free memory was 101.0 MB in the beginning and 172.5 MB in the end (delta: -71.5 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.16 ms. Allocated memory is still 205.5 MB. Free memory was 172.5 MB in the beginning and 167.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1363.59 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 167.4 MB in the beginning and 180.4 MB in the end (delta: -13.1 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16381.45 ms. Allocated memory was 238.6 MB in the beginning and 483.4 MB in the end (delta: 244.8 MB). Free memory was 180.4 MB in the beginning and 200.7 MB in the end (delta: -20.3 MB). Peak memory consumption was 358.4 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: 14.2s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 8.5s, 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: 0.8s 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: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.0s 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...