/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_label54.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 22:05:47,535 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-20 22:05:47,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 22:05:47,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 22:05:47,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 22:05:47,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 22:05:47,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 22:05:47,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 22:05:47,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 22:05:47,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 22:05:47,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 22:05:47,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 22:05:47,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 22:05:47,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 22:05:47,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 22:05:47,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 22:05:47,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 22:05:47,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 22:05:47,585 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 22:05:47,606 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 22:05:47,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 22:05:47,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 22:05:47,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 22:05:47,609 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 22:05:47,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 22:05:47,610 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 22:05:47,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 22:05:47,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 22:05:47,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 22:05:47,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 22:05:47,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 22:05:47,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 22:05:47,612 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 22:05:47,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 22:05:47,612 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 22:05:47,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 22:05:47,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 22:05:47,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 22:05:47,613 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 22:05:47,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 22:05:47,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 22:05:47,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 22:05:47,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 22:05:47,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 22:05:47,614 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 22:05:47,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:05:47,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 22:05:47,615 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 22:05:47,615 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 22:05:47,933 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 22:05:47,947 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 22:05:47,951 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 22:05:47,952 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 22:05:47,953 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 22:05:47,953 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label54.c [2020-07-20 22:05:48,020 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e35a497e7/8e472dc9cd194113921266c155f70899/FLAG3da4179c3 [2020-07-20 22:05:48,581 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 22:05:48,582 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label54.c [2020-07-20 22:05:48,595 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e35a497e7/8e472dc9cd194113921266c155f70899/FLAG3da4179c3 [2020-07-20 22:05:48,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e35a497e7/8e472dc9cd194113921266c155f70899 [2020-07-20 22:05:48,920 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 22:05:48,924 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 22:05:48,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 22:05:48,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 22:05:48,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 22:05:48,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:05:48" (1/1) ... [2020-07-20 22:05:48,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e755a08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:05:48, skipping insertion in model container [2020-07-20 22:05:48,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:05:48" (1/1) ... [2020-07-20 22:05:48,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 22:05:49,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 22:05:49,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 22:05:49,599 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 22:05:49,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 22:05:49,712 INFO L208 MainTranslator]: Completed translation [2020-07-20 22:05:49,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:05:49 WrapperNode [2020-07-20 22:05:49,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 22:05:49,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 22:05:49,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 22:05:49,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 22:05:49,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:05:49" (1/1) ... [2020-07-20 22:05:49,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:05:49" (1/1) ... [2020-07-20 22:05:49,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:05:49" (1/1) ... [2020-07-20 22:05:49,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:05:49" (1/1) ... [2020-07-20 22:05:49,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:05:49" (1/1) ... [2020-07-20 22:05:49,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:05:49" (1/1) ... [2020-07-20 22:05:49,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:05:49" (1/1) ... [2020-07-20 22:05:49,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 22:05:49,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 22:05:49,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 22:05:49,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 22:05:49,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:05:49" (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 22:05:49,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 22:05:49,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 22:05:49,910 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 22:05:49,910 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 22:05:49,910 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 22:05:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 22:05:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 22:05:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 22:05:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 22:05:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 22:05:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 22:05:51,200 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 22:05:51,201 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 22:05:51,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:05:51 BoogieIcfgContainer [2020-07-20 22:05:51,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 22:05:51,219 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 22:05:51,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 22:05:51,224 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 22:05:51,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:05:48" (1/3) ... [2020-07-20 22:05:51,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@417799c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:05:51, skipping insertion in model container [2020-07-20 22:05:51,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:05:49" (2/3) ... [2020-07-20 22:05:51,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@417799c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:05:51, skipping insertion in model container [2020-07-20 22:05:51,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:05:51" (3/3) ... [2020-07-20 22:05:51,232 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label54.c [2020-07-20 22:05:51,246 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 22:05:51,257 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 22:05:51,276 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 22:05:51,308 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 22:05:51,308 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 22:05:51,308 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 22:05:51,309 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 22:05:51,309 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 22:05:51,309 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 22:05:51,309 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 22:05:51,309 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 22:05:51,340 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-20 22:05:51,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-20 22:05:51,354 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:05:51,355 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] [2020-07-20 22:05:51,356 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:05:51,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:05:51,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1789175463, now seen corresponding path program 1 times [2020-07-20 22:05:51,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:05:51,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1770355192] [2020-07-20 22:05:51,375 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 22:05:51,585 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:05:51,585 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:05:51,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 22:05:51,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:05:51,706 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 22:05:51,707 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:05:51,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1770355192] [2020-07-20 22:05:51,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:05:51,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:05:51,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834757894] [2020-07-20 22:05:51,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:05:51,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:05:51,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:05:51,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:05:51,734 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2020-07-20 22:05:52,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:05:52,728 INFO L93 Difference]: Finished difference Result 619 states and 1060 transitions. [2020-07-20 22:05:52,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:05:52,733 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2020-07-20 22:05:52,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:05:52,761 INFO L225 Difference]: With dead ends: 619 [2020-07-20 22:05:52,761 INFO L226 Difference]: Without dead ends: 321 [2020-07-20 22:05:52,775 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 105 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 22:05:52,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-07-20 22:05:52,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 319. [2020-07-20 22:05:52,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-07-20 22:05:52,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 421 transitions. [2020-07-20 22:05:52,893 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 421 transitions. Word has length 107 [2020-07-20 22:05:52,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:05:52,894 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 421 transitions. [2020-07-20 22:05:52,894 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:05:52,895 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 421 transitions. [2020-07-20 22:05:52,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-07-20 22:05:52,906 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:05:52,906 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:05:53,120 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:05:53,121 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:05:53,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:05:53,122 INFO L82 PathProgramCache]: Analyzing trace with hash -151828536, now seen corresponding path program 1 times [2020-07-20 22:05:53,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:05:53,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [263200100] [2020-07-20 22:05:53,123 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 22:05:53,234 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:05:53,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:05:53,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:05:53,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:05:53,333 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:05:53,333 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:05:53,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [263200100] [2020-07-20 22:05:53,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:05:53,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:05:53,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163012187] [2020-07-20 22:05:53,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:05:53,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:05:53,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:05:53,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:05:53,338 INFO L87 Difference]: Start difference. First operand 319 states and 421 transitions. Second operand 3 states. [2020-07-20 22:05:53,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:05:53,925 INFO L93 Difference]: Finished difference Result 782 states and 1068 transitions. [2020-07-20 22:05:53,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:05:53,926 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-07-20 22:05:53,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:05:53,931 INFO L225 Difference]: With dead ends: 782 [2020-07-20 22:05:53,931 INFO L226 Difference]: Without dead ends: 469 [2020-07-20 22:05:53,933 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 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 22:05:53,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2020-07-20 22:05:53,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 469. [2020-07-20 22:05:53,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-07-20 22:05:53,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 600 transitions. [2020-07-20 22:05:53,961 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 600 transitions. Word has length 116 [2020-07-20 22:05:53,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:05:53,966 INFO L479 AbstractCegarLoop]: Abstraction has 469 states and 600 transitions. [2020-07-20 22:05:53,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:05:53,966 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 600 transitions. [2020-07-20 22:05:53,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-07-20 22:05:53,968 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:05:53,968 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 22:05:54,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:05:54,171 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:05:54,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:05:54,172 INFO L82 PathProgramCache]: Analyzing trace with hash 497054558, now seen corresponding path program 1 times [2020-07-20 22:05:54,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:05:54,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1157734073] [2020-07-20 22:05:54,174 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 22:05:54,268 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:05:54,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:05:54,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:05:54,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:05:54,341 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:05:54,341 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:05:54,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1157734073] [2020-07-20 22:05:54,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:05:54,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:05:54,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741144910] [2020-07-20 22:05:54,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:05:54,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:05:54,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:05:54,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:05:54,344 INFO L87 Difference]: Start difference. First operand 469 states and 600 transitions. Second operand 3 states. [2020-07-20 22:05:54,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:05:54,986 INFO L93 Difference]: Finished difference Result 1076 states and 1425 transitions. [2020-07-20 22:05:54,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:05:54,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2020-07-20 22:05:54,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:05:54,995 INFO L225 Difference]: With dead ends: 1076 [2020-07-20 22:05:54,995 INFO L226 Difference]: Without dead ends: 613 [2020-07-20 22:05:54,997 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 126 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 22:05:54,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2020-07-20 22:05:55,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 611. [2020-07-20 22:05:55,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2020-07-20 22:05:55,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 782 transitions. [2020-07-20 22:05:55,023 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 782 transitions. Word has length 128 [2020-07-20 22:05:55,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:05:55,024 INFO L479 AbstractCegarLoop]: Abstraction has 611 states and 782 transitions. [2020-07-20 22:05:55,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:05:55,024 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 782 transitions. [2020-07-20 22:05:55,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-07-20 22:05:55,027 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:05:55,027 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 22:05:55,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:05:55,241 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:05:55,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:05:55,242 INFO L82 PathProgramCache]: Analyzing trace with hash -378866077, now seen corresponding path program 1 times [2020-07-20 22:05:55,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:05:55,243 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1270308510] [2020-07-20 22:05:55,244 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 22:05:55,346 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:05:55,346 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:05:55,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 22:05:55,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:05:55,407 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:05:55,407 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 22:05:55,530 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:05:55,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1270308510] [2020-07-20 22:05:55,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 22:05:55,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 22:05:55,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926971819] [2020-07-20 22:05:55,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 22:05:55,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:05:55,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 22:05:55,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 22:05:55,534 INFO L87 Difference]: Start difference. First operand 611 states and 782 transitions. Second operand 7 states. [2020-07-20 22:05:57,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:05:57,027 INFO L93 Difference]: Finished difference Result 2428 states and 3294 transitions. [2020-07-20 22:05:57,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 22:05:57,029 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 136 [2020-07-20 22:05:57,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:05:57,042 INFO L225 Difference]: With dead ends: 2428 [2020-07-20 22:05:57,043 INFO L226 Difference]: Without dead ends: 1823 [2020-07-20 22:05:57,045 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 268 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 22:05:57,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1823 states. [2020-07-20 22:05:57,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1823 to 1815. [2020-07-20 22:05:57,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1815 states. [2020-07-20 22:05:57,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 2289 transitions. [2020-07-20 22:05:57,142 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 2289 transitions. Word has length 136 [2020-07-20 22:05:57,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:05:57,143 INFO L479 AbstractCegarLoop]: Abstraction has 1815 states and 2289 transitions. [2020-07-20 22:05:57,143 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 22:05:57,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2289 transitions. [2020-07-20 22:05:57,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-07-20 22:05:57,153 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:05:57,153 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:57,367 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:05:57,368 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:05:57,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:05:57,368 INFO L82 PathProgramCache]: Analyzing trace with hash 953270651, now seen corresponding path program 1 times [2020-07-20 22:05:57,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:05:57,369 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1774664659] [2020-07-20 22:05:57,369 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 22:05:57,486 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:05:57,486 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:05:57,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 22:05:57,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:05:57,537 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-07-20 22:05:57,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:05:57,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1774664659] [2020-07-20 22:05:57,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:05:57,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 22:05:57,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280949134] [2020-07-20 22:05:57,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 22:05:57,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:05:57,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 22:05:57,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 22:05:57,540 INFO L87 Difference]: Start difference. First operand 1815 states and 2289 transitions. Second operand 5 states. [2020-07-20 22:05:58,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:05:58,365 INFO L93 Difference]: Finished difference Result 3612 states and 4501 transitions. [2020-07-20 22:05:58,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 22:05:58,367 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2020-07-20 22:05:58,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:05:58,382 INFO L225 Difference]: With dead ends: 3612 [2020-07-20 22:05:58,382 INFO L226 Difference]: Without dead ends: 1807 [2020-07-20 22:05:58,390 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 162 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 22:05:58,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1807 states. [2020-07-20 22:05:58,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1807 to 1787. [2020-07-20 22:05:58,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1787 states. [2020-07-20 22:05:58,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 1787 states and 2102 transitions. [2020-07-20 22:05:58,467 INFO L78 Accepts]: Start accepts. Automaton has 1787 states and 2102 transitions. Word has length 166 [2020-07-20 22:05:58,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:05:58,468 INFO L479 AbstractCegarLoop]: Abstraction has 1787 states and 2102 transitions. [2020-07-20 22:05:58,469 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 22:05:58,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1787 states and 2102 transitions. [2020-07-20 22:05:58,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-07-20 22:05:58,479 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:05:58,479 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] [2020-07-20 22:05:58,692 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:05:58,693 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:05:58,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:05:58,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1125842089, now seen corresponding path program 1 times [2020-07-20 22:05:58,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:05:58,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1720447283] [2020-07-20 22:05:58,696 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 22:05:58,810 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:05:58,811 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:05:58,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:05:58,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:05:58,859 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 22:05:58,860 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:05:58,860 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1720447283] [2020-07-20 22:05:58,860 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:05:58,860 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:05:58,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481464314] [2020-07-20 22:05:58,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:05:58,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:05:58,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:05:58,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:05:58,862 INFO L87 Difference]: Start difference. First operand 1787 states and 2102 transitions. Second operand 3 states. [2020-07-20 22:05:59,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:05:59,452 INFO L93 Difference]: Finished difference Result 4586 states and 5392 transitions. [2020-07-20 22:05:59,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:05:59,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2020-07-20 22:05:59,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:05:59,464 INFO L225 Difference]: With dead ends: 4586 [2020-07-20 22:05:59,464 INFO L226 Difference]: Without dead ends: 1781 [2020-07-20 22:05:59,477 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 163 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 22:05:59,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states. [2020-07-20 22:05:59,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 1779. [2020-07-20 22:05:59,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1779 states. [2020-07-20 22:05:59,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 2045 transitions. [2020-07-20 22:05:59,589 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 2045 transitions. Word has length 165 [2020-07-20 22:05:59,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:05:59,589 INFO L479 AbstractCegarLoop]: Abstraction has 1779 states and 2045 transitions. [2020-07-20 22:05:59,589 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:05:59,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2045 transitions. [2020-07-20 22:05:59,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-20 22:05:59,595 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:05:59,596 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, 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] [2020-07-20 22:05:59,810 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:05:59,811 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:05:59,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:05:59,812 INFO L82 PathProgramCache]: Analyzing trace with hash 2004314975, now seen corresponding path program 1 times [2020-07-20 22:05:59,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:05:59,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [182679588] [2020-07-20 22:05:59,813 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 22:05:59,925 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:05:59,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:05:59,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:05:59,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:05:59,970 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 92 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:05:59,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 22:06:00,045 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 92 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:06:00,045 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [182679588] [2020-07-20 22:06:00,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 22:06:00,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-20 22:06:00,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19283765] [2020-07-20 22:06:00,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 22:06:00,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:06:00,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 22:06:00,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 22:06:00,048 INFO L87 Difference]: Start difference. First operand 1779 states and 2045 transitions. Second operand 6 states. [2020-07-20 22:06:00,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:06:00,506 INFO L93 Difference]: Finished difference Result 3544 states and 4094 transitions. [2020-07-20 22:06:00,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 22:06:00,507 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-07-20 22:06:00,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:06:00,519 INFO L225 Difference]: With dead ends: 3544 [2020-07-20 22:06:00,519 INFO L226 Difference]: Without dead ends: 1771 [2020-07-20 22:06:00,526 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 342 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 22:06:00,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1771 states. [2020-07-20 22:06:00,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1771 to 1771. [2020-07-20 22:06:00,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1771 states. [2020-07-20 22:06:00,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1771 states to 1771 states and 1991 transitions. [2020-07-20 22:06:00,588 INFO L78 Accepts]: Start accepts. Automaton has 1771 states and 1991 transitions. Word has length 174 [2020-07-20 22:06:00,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:06:00,589 INFO L479 AbstractCegarLoop]: Abstraction has 1771 states and 1991 transitions. [2020-07-20 22:06:00,589 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 22:06:00,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1771 states and 1991 transitions. [2020-07-20 22:06:00,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-07-20 22:06:00,597 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:06:00,598 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:06:00,811 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:06:00,812 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:06:00,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:06:00,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1362993137, now seen corresponding path program 1 times [2020-07-20 22:06:00,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:06:00,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [471535209] [2020-07-20 22:06:00,814 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 22:06:00,950 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:06:00,950 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:06:00,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 22:06:00,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:06:01,063 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-07-20 22:06:01,064 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:06:01,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [471535209] [2020-07-20 22:06:01,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:06:01,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 22:06:01,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324263519] [2020-07-20 22:06:01,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 22:06:01,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:06:01,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 22:06:01,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 22:06:01,066 INFO L87 Difference]: Start difference. First operand 1771 states and 1991 transitions. Second operand 5 states. [2020-07-20 22:06:01,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:06:01,863 INFO L93 Difference]: Finished difference Result 5162 states and 5814 transitions. [2020-07-20 22:06:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 22:06:01,866 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 187 [2020-07-20 22:06:01,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:06:01,882 INFO L225 Difference]: With dead ends: 5162 [2020-07-20 22:06:01,882 INFO L226 Difference]: Without dead ends: 3397 [2020-07-20 22:06:01,888 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 22:06:01,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2020-07-20 22:06:01,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3395. [2020-07-20 22:06:01,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3395 states. [2020-07-20 22:06:01,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3395 states to 3395 states and 3817 transitions. [2020-07-20 22:06:01,972 INFO L78 Accepts]: Start accepts. Automaton has 3395 states and 3817 transitions. Word has length 187 [2020-07-20 22:06:01,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:06:01,972 INFO L479 AbstractCegarLoop]: Abstraction has 3395 states and 3817 transitions. [2020-07-20 22:06:01,972 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 22:06:01,973 INFO L276 IsEmpty]: Start isEmpty. Operand 3395 states and 3817 transitions. [2020-07-20 22:06:01,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-07-20 22:06:01,981 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:06:01,981 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-20 22:06:02,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:06:02,196 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:06:02,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:06:02,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1741109046, now seen corresponding path program 1 times [2020-07-20 22:06:02,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:06:02,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [167784426] [2020-07-20 22:06:02,199 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:06:02,313 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:06:02,313 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:06:02,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 22:06:02,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:06:02,347 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-07-20 22:06:02,347 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:06:02,348 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [167784426] [2020-07-20 22:06:02,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:06:02,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:06:02,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80136005] [2020-07-20 22:06:02,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:06:02,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:06:02,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:06:02,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:06:02,350 INFO L87 Difference]: Start difference. First operand 3395 states and 3817 transitions. Second operand 3 states. [2020-07-20 22:06:02,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:06:02,870 INFO L93 Difference]: Finished difference Result 5740 states and 6458 transitions. [2020-07-20 22:06:02,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:06:02,872 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 195 [2020-07-20 22:06:02,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:06:02,873 INFO L225 Difference]: With dead ends: 5740 [2020-07-20 22:06:02,873 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 22:06:02,885 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 193 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 22:06:02,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 22:06:02,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 22:06:02,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 22:06:02,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 22:06:02,886 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 195 [2020-07-20 22:06:02,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:06:02,886 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 22:06:02,887 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:06:02,887 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 22:06:02,887 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 22:06:03,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:06:03,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 22:06:04,002 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 49 [2020-07-20 22:06:04,164 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-07-20 22:06:04,312 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-07-20 22:06:04,318 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 22:06:04,318 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a11~0 |old(~a11~0)|) (<= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|)) [2020-07-20 22:06:04,318 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 22:06:04,318 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,319 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,319 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,319 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,319 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,319 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-20 22:06:04,319 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-20 22:06:04,319 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-20 22:06:04,319 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-20 22:06:04,320 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-20 22:06:04,320 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 22:06:04,320 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-20 22:06:04,320 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-20 22:06:04,320 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-20 22:06:04,320 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-20 22:06:04,320 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-20 22:06:04,320 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-20 22:06:04,321 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-20 22:06:04,321 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,321 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,321 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,321 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,321 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-20 22:06:04,321 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,321 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-20 22:06:04,322 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-20 22:06:04,322 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-20 22:06:04,322 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-20 22:06:04,322 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-20 22:06:04,322 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-20 22:06:04,322 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-20 22:06:04,322 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-20 22:06:04,322 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-20 22:06:04,323 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-20 22:06:04,323 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-20 22:06:04,323 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-20 22:06:04,323 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-20 22:06:04,323 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-20 22:06:04,323 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-20 22:06:04,323 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,324 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,324 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,324 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,324 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,324 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 475) no Hoare annotation was computed. [2020-07-20 22:06:04,324 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-20 22:06:04,324 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-20 22:06:04,325 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-20 22:06:04,325 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 22:06:04,325 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-20 22:06:04,325 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-20 22:06:04,325 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-20 22:06:04,325 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 22:06:04,325 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-20 22:06:04,326 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-20 22:06:04,326 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-20 22:06:04,326 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,326 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,326 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,326 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,326 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,326 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-20 22:06:04,327 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-20 22:06:04,327 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-20 22:06:04,327 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-20 22:06:04,327 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-20 22:06:04,327 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-20 22:06:04,327 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-20 22:06:04,327 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-20 22:06:04,327 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-20 22:06:04,328 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-20 22:06:04,328 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-20 22:06:04,328 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-20 22:06:04,328 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-20 22:06:04,328 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,328 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,328 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,329 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,329 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,329 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-20 22:06:04,329 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 22:06:04,329 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-20 22:06:04,329 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-20 22:06:04,329 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 22:06:04,329 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-20 22:06:04,330 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-20 22:06:04,330 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-20 22:06:04,330 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-20 22:06:04,330 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-20 22:06:04,330 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-20 22:06:04,330 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-20 22:06:04,330 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-20 22:06:04,331 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-20 22:06:04,331 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-20 22:06:04,331 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-20 22:06:04,331 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,331 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,331 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,331 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,331 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-20 22:06:04,332 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,332 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-20 22:06:04,332 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,332 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-20 22:06:04,332 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-20 22:06:04,332 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-20 22:06:04,332 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,332 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,332 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 22:06:04,333 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-20 22:06:04,333 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-20 22:06:04,333 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 22:06:04,333 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 22:06:04,333 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-20 22:06:04,333 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-20 22:06:04,333 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-20 22:06:04,333 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-20 22:06:04,334 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-20 22:06:04,334 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-20 22:06:04,334 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,334 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,334 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,334 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,334 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,334 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,335 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-20 22:06:04,335 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 22:06:04,335 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-20 22:06:04,335 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 22:06:04,335 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 22:06:04,335 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 22:06:04,335 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-20 22:06:04,335 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-20 22:06:04,335 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-20 22:06:04,336 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-20 22:06:04,336 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-20 22:06:04,336 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,336 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,336 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,336 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,336 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,336 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,337 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-20 22:06:04,337 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-20 22:06:04,337 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-20 22:06:04,337 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 22:06:04,337 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 22:06:04,337 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-20 22:06:04,337 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 22:06:04,337 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 22:06:04,338 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-20 22:06:04,338 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-20 22:06:04,338 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-20 22:06:04,338 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-20 22:06:04,338 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-20 22:06:04,338 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-20 22:06:04,338 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,338 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,339 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,339 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse12 (<= ~a11~0 |old(~a11~0)|)) (.cse13 (<= ~a17~0 |old(~a17~0)|)) (.cse11 (= ~a19~0 |old(~a19~0)|))) (let ((.cse8 (and .cse12 .cse13 .cse11)) (.cse7 (not (<= |old(~a28~0)| 7))) (.cse6 (not (<= |old(~a17~0)| 7))) (.cse0 (not (= 1 |old(~a19~0)|))) (.cse10 (<= 10 ~a28~0)) (.cse9 (not (<= 10 |old(~a28~0)|))) (.cse5 (<= ~a28~0 8)) (.cse2 (not (= 1 ~a11~0))) (.cse1 (= 1 |old(~a11~0)|)) (.cse4 (not (<= |old(~a28~0)| 8))) (.cse3 (not (<= |old(~a17~0)| 8)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse3) (or .cse6 .cse9 .cse10) (or .cse0 .cse8 .cse3) (or .cse7 .cse3 (<= ~a28~0 7)) (or (and (<= ~a17~0 7) .cse11) .cse6) (or .cse0 .cse9 .cse10 .cse3) (or .cse1 (and .cse12 .cse13 .cse10 .cse2 .cse11) .cse9 .cse3) (or (and .cse12 .cse13 .cse5 .cse2 .cse11) .cse1 .cse4 .cse3)))) [2020-07-20 22:06:04,339 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,339 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,339 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,339 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-20 22:06:04,339 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-20 22:06:04,340 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-20 22:06:04,340 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 22:06:04,340 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-20 22:06:04,340 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-20 22:06:04,340 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-20 22:06:04,340 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 22:06:04,340 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-20 22:06:04,340 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-20 22:06:04,340 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-20 22:06:04,341 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-20 22:06:04,341 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-20 22:06:04,341 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,341 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,341 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,341 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,341 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,341 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,342 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-20 22:06:04,342 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-20 22:06:04,342 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 22:06:04,342 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-20 22:06:04,342 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-20 22:06:04,342 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 22:06:04,342 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 22:06:04,342 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-20 22:06:04,342 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-20 22:06:04,343 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-20 22:06:04,343 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-20 22:06:04,343 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-20 22:06:04,343 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-20 22:06:04,343 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-20 22:06:04,343 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-20 22:06:04,343 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-20 22:06:04,343 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,344 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,344 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,344 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,344 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:06:04,344 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-20 22:06:04,344 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-20 22:06:04,344 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-20 22:06:04,344 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-20 22:06:04,344 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-20 22:06:04,345 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-20 22:06:04,345 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-20 22:06:04,345 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 22:06:04,345 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 22:06:04,345 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-20 22:06:04,345 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-20 22:06:04,345 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-20 22:06:04,345 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-20 22:06:04,345 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-20 22:06:04,346 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-20 22:06:04,346 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-20 22:06:04,346 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-20 22:06:04,346 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-20 22:06:04,346 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-20 22:06:04,346 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 22:06:04,346 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a17~0 8) (<= ~a28~0 7)) [2020-07-20 22:06:04,346 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 22:06:04,347 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 22:06:04,347 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (and (<= ~a11~0 |old(~a11~0)|) (<= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (<= ~a28~0 7)) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0))) [2020-07-20 22:06:04,347 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (<= ~a28~0 8)) (.cse0 (<= ~a17~0 |old(~a17~0)|)) (.cse4 (<= 10 ~a28~0)) (.cse2 (not (= 1 ~a11~0))) (.cse3 (<= ~a17~0 7))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2) (and .cse0 (= ~a19~0 |old(~a19~0)|)) (and .cse0 (<= ~a28~0 7)) (not (<= |old(~a28~0)| 7)) (and .cse1 .cse3) (not (<= |old(~a17~0)| 8)) (and .cse3 .cse4) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse4 .cse2) (and .cse3 (not (= 1 ~a19~0))))) [2020-07-20 22:06:04,347 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-20 22:06:04,347 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-20 22:06:04,347 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (<= ~a28~0 8)) (.cse0 (<= ~a17~0 |old(~a17~0)|)) (.cse4 (<= 10 ~a28~0)) (.cse2 (not (= 1 ~a11~0))) (.cse3 (<= ~a17~0 7))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2) (and .cse0 (= ~a19~0 |old(~a19~0)|)) (and .cse0 (<= ~a28~0 7)) (not (<= |old(~a28~0)| 7)) (and .cse1 .cse3) (not (<= |old(~a17~0)| 8)) (and .cse3 .cse4) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse4 .cse2) (and .cse3 (not (= 1 ~a19~0))))) [2020-07-20 22:06:04,348 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-20 22:06:04,348 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-20 22:06:04,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:06:04 BoogieIcfgContainer [2020-07-20 22:06:04,371 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 22:06:04,373 INFO L168 Benchmark]: Toolchain (without parser) took 15450.47 ms. Allocated memory was 137.4 MB in the beginning and 454.0 MB in the end (delta: 316.7 MB). Free memory was 100.2 MB in the beginning and 154.4 MB in the end (delta: -54.2 MB). Peak memory consumption was 262.5 MB. Max. memory is 7.1 GB. [2020-07-20 22:06:04,373 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 22:06:04,374 INFO L168 Benchmark]: CACSL2BoogieTranslator took 788.60 ms. Allocated memory was 137.4 MB in the beginning and 203.4 MB in the end (delta: 66.1 MB). Free memory was 99.8 MB in the beginning and 170.4 MB in the end (delta: -70.6 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2020-07-20 22:06:04,375 INFO L168 Benchmark]: Boogie Preprocessor took 108.63 ms. Allocated memory is still 203.4 MB. Free memory was 170.4 MB in the beginning and 165.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-07-20 22:06:04,376 INFO L168 Benchmark]: RCFGBuilder took 1391.63 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 165.3 MB in the beginning and 180.4 MB in the end (delta: -15.1 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2020-07-20 22:06:04,376 INFO L168 Benchmark]: TraceAbstraction took 13151.52 ms. Allocated memory was 234.9 MB in the beginning and 454.0 MB in the end (delta: 219.2 MB). Free memory was 180.4 MB in the beginning and 154.4 MB in the end (delta: 26.1 MB). Peak memory consumption was 245.2 MB. Max. memory is 7.1 GB. [2020-07-20 22:06:04,380 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 788.60 ms. Allocated memory was 137.4 MB in the beginning and 203.4 MB in the end (delta: 66.1 MB). Free memory was 99.8 MB in the beginning and 170.4 MB in the end (delta: -70.6 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.63 ms. Allocated memory is still 203.4 MB. Free memory was 170.4 MB in the beginning and 165.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1391.63 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 165.3 MB in the beginning and 180.4 MB in the end (delta: -15.1 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13151.52 ms. Allocated memory was 234.9 MB in the beginning and 454.0 MB in the end (delta: 219.2 MB). Free memory was 180.4 MB in the beginning and 154.4 MB in the end (delta: 26.1 MB). Peak memory consumption was 245.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 475]: 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 <= \old(a17) && a28 <= 8) && !(1 == a11))) || (a17 <= \old(a17) && a19 == \old(a19))) || (a17 <= \old(a17) && a28 <= 7)) || !(\old(a28) <= 7)) || (a28 <= 8 && a17 <= 7)) || !(\old(a17) <= 8)) || (a17 <= 7 && 10 <= a28)) || !(\old(a11) <= 0)) || ((a17 <= \old(a17) && 10 <= a28) && !(1 == a11))) || (a17 <= 7 && !(1 == a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.7s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 969 SDtfs, 2708 SDslu, 354 SDs, 0 SdLazy, 4681 SolverSat, 764 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1685 GetRequests, 1656 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3395occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 36 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 118 PreInvPairs, 186 NumberOfFragments, 385 HoareAnnotationTreeSize, 118 FomulaSimplifications, 936 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1202 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1374 NumberOfCodeBlocks, 1374 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1673 ConstructedInterpolants, 0 QuantifiedInterpolants, 468731 SizeOfPredicates, 12 NumberOfNonLiveVariables, 3486 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 628/636 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...